Jacksonville, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Jacksonville, Illinois is 17,490 as of the 2023 American Community Survey, making it the 146th-largest city in Illinois. The median household income is $62,615, the median home value is $128,300, and the median age is 37.6.
The population has declined 8.3% since 2010 (19,419 → 17,801).
17,490
Population
1656
People / sq mi
$62,615
Median Income
$128,300
Median Home Value
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Jacksonville covers 10.6 sq mi of land at 1656 people per square mile.
About Jacksonville, IL
Housing cost is the defining feature of Jacksonville: the median home is valued at $128,300. Jacksonville is a city in Illinois with a population of 17,490.
Earnings trail the nation, with the median household making $62,615, below the US median of $78,538. The poverty rate is 8.5%, below the national 12.4%. Real estate is inexpensive, with a typical home worth only $128,300, with typical rent around $703.
Fewer adults hold degrees here than in most comparable places — 23.6%, below the national 35.0%. About 10.0% of the workforce is home-based, below the national 14.0%, and the average commute runs about 16 minutes each way.
Jacksonville city Population History (2010-2024)
The city of Jacksonville city had a population of 19,419 in 2010 and 17,801 in 2024, a -8.3% growth over 14 years. The peak was 19,419 in 2010. Average annual growth rate: -0.62%.
17,801
Population (2024)
19,419
Population (2010)
19,419
Peak (2010)
-0.62%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 19,419 |
| 2011 | 19,392 |
| 2012 | 19,361 |
| 2013 | 19,175 |
| 2014 | 18,916 |
| 2015 | 18,964 |
| 2016 | 19,087 |
| 2017 | 18,886 |
| 2018 | 18,771 |
| 2019 | 18,603 |
| 2020 | 18,245 |
| 2021 | 18,146 |
| 2022 | 17,970 |
| 2023 | 17,885 |
| 2024 | 17,801 |
Race & Ethnicity
| White | 82.5% |
| Black or African American | 8.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Economy & Income
$62,615
Median Household Income
$33,535
Per Capita Income
8.5%
Poverty Rate
3.7%
Unemployment Rate
Housing
$128,300
Median Home Value
$703
Median Rent
62.0%
Owner-Occupied
Education
88.1%
High School+
23.6%
Bachelor's+
Commute
1.8%
Drive Alone
79.6%
Public Transit
10.0%
Work From Home
16.0 min
Avg Commute
Community Profile
11.8%
Foreign Born
96.6%
Non-English at Home
7.0%
Veterans
18.6%
With Disability
94.9%
Health Insurance
88.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 25.3% |
| Manufacturing | 13.4% |
| Education, Health Care & Social Services | 11.8% |
| Information | 8.5% |
| Public Administration | 6.0% |
| Retail Trade | 4.7% |
| Finance, Insurance & Real Estate | 4.1% |
| Arts, Entertainment & Food Services | 3.0% |
| Construction | 2.9% |
| Agriculture & Mining | 1.8% |
| Transportation & Warehousing | 0.7% |
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Frequently Asked Questions
Jacksonville, Illinois has a population of 17,490 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 146th-largest city in Illinois.
The median household income in Jacksonville, Illinois is $62,615, with 8.5% of residents living below the federal poverty level.
The median home value in Jacksonville, Illinois is $128,300, with median monthly rent at $703 and a homeownership rate of 62.0%.
The median age in Jacksonville, Illinois is 37.6 years. The population is 51.1% male and 48.9% female.
The population has declined 8.3% since 2010 (19,419 → 17,801).
Where to stay in Jacksonville
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.