O'Fallon, IL

Census Place

2024 Population

32,262

US Senator

Dick Durbin

Democratic Party

US Senator

Tammy Duckworth

Democratic Party

2024 Median Age

37.8

2.44% 1-year increase

2024 Poverty Rate

6.2%

41.4% 1-year increase

2024 Median Household Income

$105,982

3.1% 1-year growth

2024 Median Property Value

$295,700

Population & Diversity

O'Fallon, IL is home to a population of 32.3k people, from which 98.5% are citizens.

As of 2024, 3.79% of O'Fallon, IL residents were born outside of the country (1.22k people).

In 2024, there were 4.2 times more White (Non-Hispanic) residents (22.4k people) in O'Fallon, IL than any other race or ethnicity. There were 5.34k Black or African American (Non-Hispanic) and 1.54k Two Races Excluding Other, & Three or More Races (Non-Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

98.5%

2024 Citizenship

98.4%

2023 Citizenship

As of 2024, 98.5% of O'Fallon, IL residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in O'Fallon, IL was 98.4%, meaning that the rate of citizenship has been increasing.

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

Diversity

Race and Ethnicity

The 3 largest ethnic groups in O'Fallon, IL

White (Non-Hispanic)
22.4k ± 776
Black or African American (Non-Hispanic)
5.34k ± 724
Two Races Excluding Other, & Three or More Races (Non-Hispanic)
1.54k ± 485

5.15%

Hispanic Population

1.66k people

5.15% of the people in O'Fallon, IL are hispanic (1.66k people).

The following chart shows the 8 races represented in O'Fallon, IL as a share of the total population.

Global Diversity

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

Most Common Origin

Mexico
637,284 ± 19,101 people
India
166,788 ± 9,961 people
Poland
117,148 ± 8,364 people

In 2024, the most common birthplace for the foreign-born residents of Illinois was Mexico, the natal country of 637,284 Illinois residents, followed by India with 166,788 and Poland with 117,148.

Foreign-Born Population

3.79%

2024 Foreign-Born Population

1.22k people

4.15%

2023 Foreign-Born Population

1.33k people

As of 2024, 3.79% of O'Fallon, IL residents (1.22k 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 O'Fallon, IL was 4.15%, meaning that the rate has been decreasing.

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

Military

Veterans

Most Common Service Period

Gulf War (2001-)
2,175 ± 330
Gulf War (1990s)
1,120 ± 265
Vietnam
819 ± 198

O'Fallon, IL has a large population of military personnel who served in Gulf War (2001-), 1.94 times greater than any other conflict.

The chart shows the distribution of veterans by conflict in O'Fallon, IL.

Economy

The economy of O'Fallon, IL employs 15k people. In 2024, the largest industries in O'Fallon, IL were Health Care & Social Assistance (2,409 people), Professional, Scientific, & Technical Services (1,986 people), and Public Administration (1,629 people), and the highest paying industries were Utilities ($110,987), Professional, Scientific, & Technical Services ($106,139), and Public Administration ($96,875).

Employment

Occupations

15k

2024 Value

± 990

1.7%

1 Year growth

± 8.99%

From 2023 to 2024, employment in O'Fallon, IL grew at a rate of 1.7%, from 14.8k employees to 15k employees.

The most common job groups, by number of people living in O'Fallon, IL, are Management Occupations (2,372 people), Office & Administrative Support Occupations (1,427 people), and Computer & Mathematical Occupations (1,409 people). This chart illustrates the share breakdown of the primary jobs held by residents of O'Fallon, 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

15k

2024 Value

± 990

1.7%

1 Year growth

± 8.99%

From 2023 to 2024, employment in O'Fallon, IL grew at a rate of 1.7%, from 14.8k employees to 15k employees.

The most common employment sectors for those who live in O'Fallon, IL, are Health Care & Social Assistance (2,409 people), Professional, Scientific, & Technical Services (1,986 people), and Public Administration (1,629 people). This chart shows the share breakdown of the primary industries for residents of O'Fallon, IL, though some of these residents may live in O'Fallon, IL and work somewhere else. Census data is tagged to a residential address, not a work address.

Median Earnings by Industry

$75,500

Median earning men ± $7,044

$48,301

Median earning women ± $5,231

The industries with the best median earnings for men in 2024 are Public Administration ($108,086), Professional, Scientific, & Management, & Administrative & Waste Management Services ($104,301), and Educational Services, & Health Care & Social Assistance ($89,732).

The industries with the best median earnings for women in 2024 are Construction ($105,536), Wholesale Trade ($98,958), and Public Administration ($76,190).

Housing & Living

The median property value in O'Fallon, IL was $295,700 in 2024, which is 0.889 times smaller than the national average of $332,700. Between 2023 and 2024 the median property value increased from $274,100 to $295,700, a 7.88% increase. The homeownership rate in O'Fallon, IL is 70.2%, which is higher than the national average of 65.2%.

People in O'Fallon, IL have an average commute time of 25.3 minutes, and they drove alone to work. Car ownership in O'Fallon, IL is approximately the same as the national average, with an average of 2 cars per household.

Housing

Property

$295,700

Median Property Value 2024

±$13,884

$8,997

Median Property Taxes

±$689

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 O'Fallon, IL the largest share of households pay taxes in the $3k+ range.

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

Rent vs Own

70.2%

Homeownership

2024

68.3%

Homeowners with Mortgage

2024

In 2024, 70.2% of the housing units in O'Fallon, IL were occupied by their owner. This percentage declined from the previous year's rate of 70.9%.

This chart shows the percentage of owner in O'Fallon, 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.

$105,982

Median Household Income

± $6,723

12.8k

Number of Households

± 890

In 2024, the median household income of the 12.8k households in O'Fallon, IL grew to $105,982 from the previous year's value of $102,793.

The following chart displays the households in O'Fallon, 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 $200k+ range.

Wage Distribution

The closest comparable wage GINI for O'Fallon, IL is from Illinois.

0.471

2024 Wage GINI in Illinois

0.474

2023 Wage GINI in Illinois

In 2024, the income inequality in Illinois was 0.471 according to the GINI calculation of the wage distribution. Income inequality had a 0.55% decline from 2023 to 2024, which means that wage distribution grew somewhat more even. The GINI for Illinois was lower than than the national average of 0.474. 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 (70.5%)
Worked At Home (20.4%)
Carpooled (6.14%)

In 2024, 70.5% of workers in O'Fallon, IL drove alone to work, followed by those who worked at home (20.4%) and those who carpooled to work (6.14%).

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

25.3 minutes

Average Travel Time

Using averages, employees in O'Fallon, IL have a shorter commute time (25.3 minutes) than the normal US worker (26.4 minutes). Additionally, 2.55% of the workforce in O'Fallon, IL have "super commutes" in excess of 90 minutes.

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

Car Ownership

2 cars

Average Number

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

Poverty

Poverty & Diversity

6.2% of the population for whom poverty status is determined in O'Fallon, IL (1.99k out of 32.1k people) live below the poverty line, a number that is lower than the national average of 12.5%. The largest demographic living in poverty are Males 6 - 11, followed by Females 25 - 34 and then Females 12 - 14.

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

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.

Social Needs

Data only available at the state level.

Most prevalent states

California
35,798 individuals
New York
5,087 individuals

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

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

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