Seneca, IL

Census Place

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2024 Population
2,450
US Senator
Dick Durbin
Democratic Party
US Senator
Tammy Duckworth
Democratic Party
2024 Median Age
35.5
0.852% 1-year increase
2024 Poverty Rate
22.2%
14.4% 1-year increase
2024 Median Household Income
$86,830
4.65% 1-year decline
2024 Median Property Value
$227,500
10.2% 1-year growth
2024 Employed Population
1,010
8.43% 1-year decline

About

None of the households in Seneca, 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.

100% of the residents in Seneca, IL are U.S. citizens.

In 2024, the median property value in Seneca, IL was $227,500, and the homeownership rate was 81.3%.

Most people in Seneca, IL drove alone to work, and the average commute time was 26.2 minutes. The average car ownership in Seneca, IL was 2 cars per household.

United StatesIllinoisGrundy County, ILLaSalle County, ILChicago-Naperville-Elgin, IL-IN-WIOttawa-Peru, ILKankakee & Grundy Counties PUMA, ILLaSalle & Livingston Counties PUMA, IL

Population & Diversity

Seneca, IL is home to a population of 2.45k people, from which 100% are citizens. As of 2024, 2.04% of Seneca, IL residents were born outside of the country (50 people).

In 2024, there were 21.9 times more White (Non-Hispanic) residents (2.12k people) in Seneca, IL than any other race or ethnicity. There were 97 Two Races Including Other (Hispanic) and 58 White (Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

100%
2024 Citizenship
100%
2023 Citizenship

As of 2024, 100% of Seneca, IL residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in Seneca, IL was 100%, meaning that the rate of citizenship has been maintaining.

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

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Diversity

Race and Ethnicity

The 3 largest ethnic groups in Seneca, IL
  1. White (Non-Hispanic)
    2.12k ± 201
  2. Two Races Including Other (Hispanic)
    97 ± 103
  3. White (Hispanic)
    58 ± 66
10%
Hispanic Population
246 people

In 2024, there were 21.9 times more White (Non-Hispanic) residents (2.12k people) in Seneca, IL than any other race or ethnicity. There were 97 Two Races Including Other (Hispanic) and 58 White (Hispanic) residents, the second and third most common ethnic groups.

10% of the people in Seneca, IL are hispanic (246 people).

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

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Global Diversity

The PUMS dataset is not available at the Place level, so we are showing data for Illinois.
Most Common Origin
  1. Mexico
    633,244 ± 19,044 people
  2. India
    161,770 ± 9,812 people
  3. 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.

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Foreign-Born Population

2.04%
2024 Foreign-Born Population
50 people
1.86%
2023 Foreign-Born Population
47 people

As of 2024, 2.04% of Seneca, IL residents (50 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 Seneca, IL was 1.86%, meaning that the rate has been increasing.

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

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Military

Veterans

Most Common Service Period
  1. Vietnam
    39 ± 39
  2. Gulf War (1990s)
    27 ± 17
  3. Gulf War (2001-)
    13 ± 20

Seneca, IL has a large population of military personnel who served in Vietnam, 1.44 times greater than any other conflict.

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

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Economy

The economy of Seneca, IL employs 1.01k people. In 2024, the largest industries in Seneca, IL were Health Care & Social Assistance (160 people), Manufacturing (137 people), and Other Services, Except Public Administration (111 people), and the highest paying industries were Utilities ($182,617), Construction ($92,750), and Transportation & Warehousing, & Utilities ($91,786).

Employment

Occupations

1.01k
2024 Value
± 194
−8.43%
1 Year decline
± 28.2%

From 2023 to 2024, employment in Seneca, IL declined at a rate of −8.43%, from 1.1k employees to 1.01k employees.

The most common job groups, by number of people living in Seneca, IL, are Installation, Maintenance, & Repair Occupations (144 people), Healthcare Support Occupations (117 people), and Office & Administrative Support Occupations (112 people). This chart illustrates the share breakdown of the primary jobs held by residents of Seneca, IL.

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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.

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Industries

Employment by Industries

1.01k
2024 Value
± 194
−8.43%
1 Year decline
± 28.2%

From 2023 to 2024, employment in Seneca, IL declined at a rate of −8.43%, from 1.1k employees to 1.01k employees.

The most common employment sectors for those who live in Seneca, IL, are Health Care & Social Assistance (160 people), Manufacturing (137 people), and Other Services, Except Public Administration (111 people). This chart shows the share breakdown of the primary industries for residents of Seneca, IL, though some of these residents may live in Seneca, IL and work somewhere else. Census data is tagged to a residential address, not a work address.

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Median Earnings by Industry

$73,490
Median earning men ± $12,214
$25,658
Median earning women ± $14,353

The industries with the best median earnings for men in 2024 are Transportation & Warehousing, & Utilities ($101,875), Construction ($92,750), and Public Administration ($87,222).

The industries with the best median earnings for women in 2024 are Finance & Insurance, & Real Estate & Rental & Leasing ($65,208), Transportation & Warehousing, & Utilities ($48,333), and Public Administration ($46,667).

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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.

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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

Voting results are not available for Seneca, IL. Showing the available data for Illinois.
2024 Election Results
  1. Kamala Harris (54.4%)
    Democratic Party
  2. Donald J. Trump (43.5%)
    Republican Party
  3. 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.

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Senator Elections

US Senators from Illinois

Senatorial voting results are only available at the state level. Showing data for Illinois.
Dick Durbin
Senator from Illinois2
Assumed office on January 3, 1997
Tammy Duckworth
Senator from Illinois3
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.

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Housing & Living

The median property value in Seneca, IL was $227,500 in 2024, which is 0.684 times smaller than the national average of $332,700. Between 2023 and 2024 the median property value increased from $206,400 to $227,500, a 10.2% increase. The homeownership rate in Seneca, IL is 81.3%, which is higher than the national average of 65.2%.

People in Seneca, IL have an average commute time of 26.2 minutes, and they drove alone to work. Car ownership in Seneca, IL is approximately the same as the national average, with an average of 2 cars per household.

Housing

Property

$227,500
Median Property Value 2024
±$41,174
$737
Median Property Taxes
±$162

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

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

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Rent vs Own

81.3%
Homeownership
2024
53%
Homeowners with Mortgage
2024

In 2024, 81.3% of the housing units in Seneca, IL were occupied by their owner. This percentage grew from the previous year's rate of 76.6%.

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

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Equity

Household Income

Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.
$86,830
Median Household Income
± $20,382
907
Number of Households
± 181

In 2024, the median household income of the 907 households in Seneca, IL declined from $86,830 from the previous year's value of $91,065.

The following chart displays the households in Seneca, 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 $100k - $125k range.

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Wage Distribution

The closest comparable wage GINI for Seneca, 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.

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Transportation

Commuter Transportation

Most Common Commute in 2024
  1. Drove Alone (77.8%)
  2. Worked At Home (8.21%)
  3. Carpooled (6.78%)

In 2024, 77.8% of workers in Seneca, IL drove alone to work, followed by those who worked at home (8.21%) and those who carpooled to work (6.78%).

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.

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Commute Time

26.2 minutes
Average Travel Time

Using averages, employees in Seneca, IL have a shorter commute time (26.2 minutes) than the normal US worker (26.4 minutes). Additionally, 5.37% of the workforce in Seneca, IL have "super commutes" in excess of 90 minutes.

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

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Car Ownership

2 cars
Average Number

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

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Poverty

Poverty & Diversity

22.2% of the population for whom poverty status is determined in Seneca, IL (543 out of 2.45k 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 6 - 11, followed by Females 45 - 54 and then Females 25 - 34.

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

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.

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Health

95.2% of the population of Seneca, IL has health coverage, with 50.5% on employee plans, 23.4% on Medicaid, 12.6% on Medicare, 7.22% on non-group plans, and 1.47% on military or VA plans.

Primary care physicians in Illinois see 1,264 patients per year on average, which represents a 0% change from the previous year (1,264 patients). Compare this to dentists who see 1189 patients per year, and mental health providers who see 297 patients per year.

By gender, of the total number of insured persons, 54.1% were men and 45.9% were women.

Coverage

Health Care Diversity

In 2024, insured persons according to age ranges were distributed in 29.6% under 18 years, 19.4% between 18 and 34 years, 38.9% between 35 and 64 years, and 12.1% over 64 years.

By gender, of the total number of insured persons, 54.1% were men and 45.9% were women.

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

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Uninsured People

4.82%
Uninsured
50.5%
Employer Coverage
23.4%
Medicaid
12.6%
Medicare
7.22%
Non-Group
1.47%
Military or VA

Between 2023 and 2024, the percent of uninsured citizens in Seneca, IL grew by 21.6% from 3.96% to 4.82%.

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

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