Adams County, IL

County

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2024 Population

64,754

US Senator

Dick Durbin

Democratic Party

US Senator

Tammy Duckworth

Democratic Party

2024 Median Age

41.4

0.73% 1-year increase

2024 Poverty Rate

12.8%

4.75% 1-year increase

2024 Median Household Income

$66,220

1.94% 1-year growth

2024 Median Property Value

$162,600

4.3% 1-year growth

2024 Employed Population

32,566

0.819% 1-year decline

About

None of the households in Adams County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.

99.5% of the residents in Adams County, IL are U.S. citizens.

The largest universities in Adams County, IL are John Wood Community College (484 degrees awarded in 2023), Quincy University (266 degrees), and Blessing Rieman College of Nursing and Health Sciences (58 degrees).

In 2024, the median property value in Adams County, IL was $162,600, and the homeownership rate was 72.1%.

Most people in Adams County, IL drove alone to work, and the average commute time was 16.9 minutes. The average car ownership in Adams County, IL was 2 cars per household.

Adams County, IL borders Brown County, IL, Hancock County, IL, Pike County, IL, Schuyler County, IL, Lewis County, MO, and Marion County, MO.

United States Illinois Quincy, IL-MO

Population & Diversity

Adams County, IL is home to a population of 64.8k people, from which 99.5% are citizens. As of 2024, 1.22% of Adams County, IL residents were born outside of the country (791 people).

In 2024, there were 25.2 times more White (Non-Hispanic) residents (58.3k people) in Adams County, IL than any other race or ethnicity. There were 2.32k Two Races Excluding Other, & Three or More Races (Non-Hispanic) and 1.83k Black or African American (Non-Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

99.5%

2024 Citizenship

99.5%

2023 Citizenship

As of 2024, 99.5% of Adams County, IL residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in Adams County, IL was 99.5%, meaning that the rate of citizenship has been decreasing.

The following chart shows US citizenship percentages in Adams County, IL compared to that of it's neighboring and parent geographies.

Diversity

Race and Ethnicity

The 3 largest ethnic groups in Adams County, IL

White (Non-Hispanic)
58.3k ± 155
Two Races Excluding Other, & Three or More Races (Non-Hispanic)
2.32k ± 247
Black or African American (Non-Hispanic)
1.83k ± 279

2.08%

Hispanic Population

1.35k people

2.08% of the people in Adams County, IL are hispanic (1.35k people).

The following chart shows the 8 races represented in Adams County, IL as a share of the total population.

Global Diversity

The PUMS dataset is not available at the County level, so we are showing data for Illinois.

Most Common Origin

Mexico
633,244 ± 19,044 people
India
161,770 ± 9,812 people
Poland
119,556 ± 8,449 people

In 2023, the most common birthplace for the foreign-born residents of Illinois was Mexico, the natal country of 633,244 Illinois residents, followed by India with 161,770 and Poland with 119,556.

Foreign-Born Population

1.22%

2024 Foreign-Born Population

791 people

1.36%

2023 Foreign-Born Population

885 people

As of 2024, 1.22% of Adams County, IL residents (791 people) were born outside of the United States, which is approximately the same as the national average of 14%. In 2023, the percentage of foreign-born citizens in Adams County, IL was 1.36%, meaning that the rate has been decreasing.

The following chart shows the percentage of foreign-born residents in Adams County, IL compared to that of it's neighboring and parent geographies.

Military

Veterans

Most Common Service Period

Vietnam
1,366 ± 216
Gulf War (2001-)
734 ± 206
Gulf War (1990s)
544 ± 174

Adams County, IL has a large population of military personnel who served in Vietnam, 1.86 times greater than any other conflict.

The chart shows the distribution of veterans by conflict in Adams County, IL.

Economy

The economy of Adams County, IL employs 32.6k people. In 2024, the largest industries in Adams County, IL were Health Care & Social Assistance (5,953 people), Manufacturing (4,457 people), and Retail Trade (4,197 people), and the highest paying industries were Mining, Quarrying, & Oil & Gas Extraction ($106,250), Public Administration ($75,649), and Utilities ($71,813).

Employment

Occupations

32.6k

2024 Value

± 1,275

−0.819%

1 Year decline

± 5.61%

From 2023 to 2024, employment in Adams County, IL declined at a rate of −0.819%, from 32.8k employees to 32.6k employees.

The most common job groups, by number of people living in Adams County, IL, are Office & Administrative Support Occupations (3,750 people), Management Occupations (3,369 people), and Sales & Related Occupations (3,140 people). This chart illustrates the share breakdown of the primary jobs held by residents of Adams County, IL.

Unemployment Insurance Claims

Data is only available at the state level. Showing data for Illinois.

This chart shows weekly unemployment insurance claims in Illinois (not-seasonally adjusted) compared with the four states with the most similar impact.

The most recent data point uses Advance State Claims data, which can be revised in subsequent weeks.

Industries

Employment by Industries

32.6k

2024 Value

± 1,275

−0.819%

1 Year decline

± 5.61%

From 2023 to 2024, employment in Adams County, IL declined at a rate of −0.819%, from 32.8k employees to 32.6k employees.

The most common employment sectors for those who live in Adams County, IL, are Health Care & Social Assistance (5,953 people), Manufacturing (4,457 people), and Retail Trade (4,197 people). This chart shows the share breakdown of the primary industries for residents of Adams County, IL, though some of these residents may live in Adams County, IL and work somewhere else. Census data is tagged to a residential address, not a work address.

Median Earnings by Industry

$49,727

Median earning men ± $2,297

$37,174

Median earning women ± $1,925

The industries with the best median earnings for men in 2024 are Finance & Insurance, & Real Estate & Rental & Leasing ($87,344), Public Administration ($77,050), and Information ($63,958).

The industries with the best median earnings for women in 2024 are Public Administration ($64,600), Manufacturing ($46,771), and Finance & Insurance, & Real Estate & Rental & Leasing ($44,803).

Employment by Industry Sector

Data is only available at the state level. Showing data for Illinois.

Y-Axis

2.47%

Year-over-year growth

Employment change between February 2022 and February 2023

As of February 2023, there are 6.03M people employed in Illinois. This represents a 2.47% increase in employment when compared to February 2022.

Right after the beginning of the COVID-19 pandemic, during April 2020, a general dip can be seen across industry sectors, resulting in an overall decline in employment by 13%.

The following chart shows monthly employment numbers for each industry sector in Illinois.

Establishments by Size

The industries with the most establishments

145
Construction
138
Other Services (except Public Administration)
99
Retail Trade

The visualization shows the distribution of establishments by industry and by size according to the number of employees.

The visualization shows the number of establishments and its share across establishment sizes.

Payroll by Industry Sector

The industries with the highest total annual payroll

$451k
Health Care and Social Assistance
$348k
Manufacturing
$138k
Retail Trade

The chart shows the total annual payroll and the average annual payroll by industry.

Civics

In the 2024 presidential election, the popular vote in Illinois went to Kamala Harris with 54.4% of the vote. The runner-up was Donald J. Trump (43.5%), followed by Robert Kennedy (1.43%).

Dick Durbin and Tammy Duckworth are the senators currently representing the state of Illinois. In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

Illinois is currently represented by 17 members in the U.S. house, and members of the House of Representives are elected to 2-year terms.

Presidential Elections

Presidential Popular Vote Over Time

Voting results are not available for Adams County, IL. Showing the available data for Illinois.

2024 Election Results

Kamala Harris (54.4%)
Democratic Party
Donald J. Trump (43.5%)
Republican Party
Robert Kennedy (1.43%)
Independent Party

In the 2024 presidential election, the popular vote in Illinois went to Kamala Harris with 54.4% of the vote. The runner-up was Donald J. Trump (43.5%), followed by Robert Kennedy (1.43%).

The following chart shows the popular vote results in Illinois for each registered party from 1976 to 2024.

Senator Elections

US Senators from Illinois

Senatorial voting results are only available at the state level. Showing data for Illinois.

Dick Durbin

Senator from Illinois

Assumed office on January 3, 1997

Tammy Duckworth

Senator from Illinois

Assumed office on January 3, 2017

Dick Durbin and Tammy Duckworth are the senators currently representing Illinois.

In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

The following chart shows elected senators in Illinois over time, excluding special elections, colored by their political party.

Education

In 2023, universities in Adams County, IL awarded 840 degrees. The student population of Adams County, IL in 2023 is skewed towards women, with 1,446 male students and 1,937 female students.

Most students graduating from Universities in Adams County, IL are White (730 and 88.1%), Hispanic or Latino (31 and 3.74%), Unknown (23 and 2.77%), and Black or African American (22 and 2.65%).

The largest universities in Adams County, IL by number of degrees awarded are John Wood Community College (484 and 57.6%), Quincy University (266 and 31.7%), and Blessing Rieman College of Nursing and Health Sciences (58 and 6.9%).

The most popular majors in Adams County, IL are Liberal Arts & Sciences (209 and 24.9%), Registered Nursing (120 and 14.3%), and Biological & Physical Sciences (34 and 4.05%).

The median tuition cost for private four year colleges is $32,354.

Admissions & Enrollments

Applicants, Admissions & Enrolled

University

Measure

In 2023 in Adams County, IL, the percentage of applicants admitted was 49.9%, while the percentage of admitted who enrolled was 29.8%. The number of students enrolled in 2023 was 3,383 (42.7% men and 57.3% women).

The line chart shows the evolution of the percentage of applicants admitted, admitted who enrolled or the number of students enrolled according to the option selected in the upper button.

Enrollments by Gender and Races

Universities

In 2023 there were 3,383 students enrolled in Adams County, IL, 42.7% men and 57.3% women.

By race, the largest number of students enrolled was concentrated in White with 2,709 records, of which 60.4% were women and 39.6% men.

Completions

Concentrations

Most Common

Liberal Arts & Sciences
182 degrees awarded
Biological & Physical Sciences
34 degrees awarded
Registered Nursing
34 degrees awarded

In 2023, the most common concentation for Associates Degree recipients in Adams County, IL was Liberal Arts & Sciences with 182 degrees awarded.

This visualization illustrates the percentage of students graduating with a Associates Degree from schools in Adams County, IL according to their major.

Universities

Gender

Race

Largest Universities by degrees awarded

John Wood Community College
484 degrees awarded
Quincy University
266 degrees awarded
Blessing Rieman College of Nursing and Health Sciences
58 degrees awarded

In 2023, the institution with the largest number of graduating students was John Wood Community College with 484 degrees awarded.

Student Diversity

University

In 2023, 333 men were awarded degrees from institutions in Adams County, IL, which is 0.657 times less than the 507 female students who received degrees in the same year.

In 2023, the most common race/ethnicity group awarded degrees at institutions was White students. These 730 degrees mean that there were 23.5 times more degrees awarded to White students then the next closest race/ethnicity group, Hispanic or Latino, with 31 degrees awarded.

Awarded Degrees over Time

The graph shows the evolution of awarded degrees by degrees. Under the paragraphs, the average number of awarded degrees by university in each degree is shown.

Tuition

Average Net Price by Sector

Universities

Private not-for-profit, 4-year or above ($32,354) is the sector with the highest median state tuition in 2023.

Private not-for-profit, 4-year or above ($900) is the sector with the highest median state fee in 2023.

Public, 2-year ($1,600) is the sector with the highest average net price of books and supplies.

The graph shows the average net price by sector and year.

Housing & Living

The median property value in Adams County, IL was $162,600 in 2024, which is 0.489 times smaller than the national average of $332,700. Between 2023 and 2024 the median property value increased from $155,900 to $162,600, a 4.3% increase. The homeownership rate in Adams County, IL is 72.1%, which is higher than the national average of 65.2%.

People in Adams County, IL have an average commute time of 16.9 minutes, and they drove alone to work. Car ownership in Adams County, IL is approximately the same as the national average, with an average of 2 cars per household.

In 2025, 10.4% of the population was living with severe housing problems in Adams County, IL. From 2014 to 2025, the indicator declined 0.168%.

Housing

Property

$162,600

Median Property Value 2024

±$4,166

$20,137

Median Property Taxes

±$910

The following chart display owner-occupied housing units distributed between a series of property tax buckets compared to the national averages for each bucket. In Adams County, IL the largest share of households pay taxes in the $3k+ range.

The chart underneath the paragraph shows the property taxes in Adams County, IL compared to it's parent and neighbor geographies.

Rent vs Own

72.1%

Homeownership

2024

61%

Homeowners with Mortgage

2024

In 2024, 72.1% of the housing units in Adams County, IL were occupied by their owner. This percentage declined from the previous year's rate of 72.5%.

This chart shows the percentage of owner in Adams County, IL compared it's parent and neighboring geographies.

Equity

Household Income

Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.

$66,220

Median Household Income

± $3,435

27.9k

Number of Households

± 1,169

In 2024, the median household income of the 27.9k households in Adams County, IL grew to $66,220 from the previous year's value of $64,962.

The following chart displays the households in Adams County, IL distributed between a series of income buckets compared to the national averages for each bucket. The largest share of households have an income in the $75k - $100k range.

Wage Distribution

The closest comparable wage GINI for Adams County, IL is from Illinois.

0.474

2023 Wage GINI in Illinois

0.477

2022 Wage GINI in Illinois

In 2023, the income inequality in Illinois was 0.474 according to the GINI calculation of the wage distribution. Income inequality had a 0.554% decline from 2022 to 2023, which means that wage distribution grew somewhat more even. The GINI for Illinois was lower than than the national average of 0.476. In other words, wages are distributed more evenly in Illinois in comparison to the national average.

This chart shows the number of workers in Illinois across various wage buckets compared to the national average.

Transportation

Commuter Transportation

Most Common Commute in 2024

Drove Alone (79.5%)
Carpooled (8.32%)
Worked At Home (7.56%)

In 2024, 79.5% of workers in Adams County, IL drove alone to work, followed by those who carpooled to work (8.32%) and those who worked at home (7.56%).

The following chart shows the number of households using each mode of transportation over time, using a logarithmic scale on the y-axis to help better show variations in the smaller means of commuting.

Commute Time

16.9 minutes

Average Travel Time

Using averages, employees in Adams County, IL have a shorter commute time (16.9 minutes) than the normal US worker (26.4 minutes). Additionally, 1.05% of the workforce in Adams County, IL have "super commutes" in excess of 90 minutes.

The chart below shows how the median household income in Adams County, IL compares to that of it's neighboring and parent geographies.

Car Ownership

2 cars

Average Number

The following chart displays the households in Adams County, IL distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in Adams County, IL have 2 cars.

Poverty

Severe Housing Problems

In 2025, 10.4% of the population was living with severe housing problems in Adams County, IL. From 2014 to 2025, the indicator declined 0.168%.

The graph shows the trend of the percentage of the population living with severe housing problems.

Poverty & Diversity

12.8% of the population for whom poverty status is determined in Adams County, IL (8.08k out of 63k people) live below the poverty line, a number that is higher than the national average of 12.5%. The largest demographic living in poverty are Females 25 - 34, followed by Females 65 - 74 and then Females 75+.

The most common racial or ethnic group living below the poverty line in Adams County, IL is White, followed by Two Or More and Black.

The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.

Children in Poverty

In 2025, 14.1% of the children was living in poverty in Adams County, IL. From 2014 to 2025, the indicator declined 3.4%.

The graph shows the trend of the percentage of the children living in poverty.

Social Needs

Data only available at the state level.

Most prevalent states

California
35,798 individuals
New York
5,087 individuals
Florida
4,915 individuals

In 2017, California had the highest estimated number of chronically homeless individuals in the nation, at 35,798. New York has the second highest (5,087), followed by Florida (4,915).

The following map shows the estimated number of chronically homeless individuals by state over multiple years.

Security

Crimes & Accidents

Indicator

In 2022, the number of reported violent crimes offenses per 100,000 population was 346 in Adams County, IL. From 2014 to 2022, the indicator declined 8.87 per 100,000 population.

The graph shows the trend in the number of reported violent crimes offenses per 100,000 population.

Health

95.6% of the population of Adams County, IL has health coverage, with 50.2% on employee plans, 16% on Medicaid, 16.2% on Medicare, 11.8% on non-group plans, and 1.33% on military or VA plans.

Primary care physicians in Adams County, IL see 955 patients per year on average, which represents a 0% change from the previous year (955 patients). Compare this to dentists who see 1177 patients per year, and mental health providers who see 316 patients per year.

By gender, of the total number of insured persons, 49.1% were men and 50.9% were women.

Coverage

Patient to Clinician Ratios

955 to 1

Patient to Primary Care Physician Ratio in Adams County, IL

Primary care physicians in Adams County, IL see an average of 955 patients per year. This represents a 0% change from the previous year (955 patients).

The following chart shows how the number of patients seen by primary care physicians has been changing over time in Adams County, IL in comparison to its neighboring geographies.

Health Care Diversity

In 2024, insured persons according to age ranges were distributed in 24% under 18 years, 18.8% between 18 and 34 years, 37.2% between 35 and 64 years, and 19.9% over 64 years.

By gender, of the total number of insured persons, 49.1% were men and 50.9% were women.

The following chart shows the number of people with health coverage by gender.

Uninsured People

4.42%

Uninsured

50.2%

Employer Coverage

16%

Medicaid

16.2%

Medicare

11.8%

Non-Group

1.33%

Military or VA

Between 2023 and 2024, the percent of uninsured citizens in Adams County, IL declined by 7.6% from 4.79% to 4.42%.

The following chart shows how the percent of uninsured individuals in Adams County, IL changed over time compared with the percent of individuals enrolled in various types of health insurance.

Health Indicators

Health Outcomes

Indicator

In 2025, the number of deaths among residents under age 18 per 100,000 population was 57.6 in Adams County, IL.

The graphic shows the trend of the indicator in Adams County, IL.

Health Behaviors

Indicator

In 2025, the percentage of the adult population (age 18 and older) that reports a body mass index (BMI) greater than or equal to 30 kg/m2 (age-adjusted) was 39.5% in Adams County, IL.

The graphic shows the trend of the indicator in Adams County, IL.