Jacksonville, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Jacksonville, Illinois had a total population of 18,014, the 142nd largest city in Illinois, with a median household income of $65,432, which is 22% lower than the state average. The poverty rate is 18.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.0x.
Jacksonville Quick Facts
How Jacksonville Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 17,490 | 18,014 | +3.0% |
| Median household income | $62,615 | $65,432 | +4.5% |
| Median home value | $128,300 | $128,200 | -0.1% |
How Jacksonville Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Jacksonville Rankings in Illinois
Explore Illinois Rankings
Other Cities in Morgan County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| South Jacksonville | 3,239 | $49,587 | 9.0% | $135,800 |
| Waverly | 1,375 | $55,671 | 7.9% | $98,400 |
| Meredosia | 871 | $54,485 | 18.0% | $65,300 |
| Chapin | 668 | $72,269 | 3.9% | $89,400 |
| Franklin | 650 | $75,714 | 6.2% | $116,400 |
| Murrayville | 617 | $46,528 | 23.2% | $106,800 |
| Woodson | 550 | $80,750 | 6.1% | $131,500 |
| Alexander | 239 | N/A | 0.0% | $118,200 |
| Concord | 162 | $55,893 | 6.8% | $109,200 |
| Lynnville | 85 | $59,375 | 14.1% | $62,500 |
Cities Similar to Jacksonville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Alsip | 18,583 | $66,585 | $225,000 | 18.8% | 12.1% |
| Ottawa | 18,447 | $71,413 | $154,000 | 23.3% | 17.3% |
| Bridgeview | 16,849 | $66,655 | $236,400 | 18.1% | 12.8% |
| Franklin Park | 18,197 | $76,519 | $287,000 | 19.7% | 9.4% |
| Bellwood | 18,256 | $79,513 | $230,000 | 17.2% | 11.7% |
Population Overview
Jacksonville is a small city located in Illinois, within Morgan County. The total population is 18,014. It ranks as the 142nd most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Jacksonville is 37.6 years. This is 4% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Jacksonville is $65,432. This is 22% lower than the state median of $83,390. It is also 19% lower than the national median of $80,734. The poverty rate stands at 18.4%. This is 56% higher than the state poverty rate of 11.8%. The unemployment rate is 5.1%. This is 13% lower than the state rate of 5.8%. The median home value is $128,200. Housing costs are 51% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.0x, Jacksonville is one of the most affordable housing markets in the area. 64.1% of occupied housing units are owner-occupied. This homeownership rate is 4% lower than the state average of 67.1%.
Race & Ethnicity
The largest racial or ethnic group in Jacksonville is White (non-Hispanic), making up 81.5% of the population. Black or African American residents account for 7.6%. The Hispanic or Latino population (3.7%) is well below the state average of 18.8%. The Asian population (1.2%) is well below the state average of 5.9%.
Education
22.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 87.0%.
Data Sources & Methodology
All demographic data for Jacksonville, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Jacksonville, Illinois?
Jacksonville, Illinois has a population of 18,014 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Jacksonville, IL?
The median household income in Jacksonville is $65,432, which is 19% lower than the national median of $80,734.
What is the poverty rate in Jacksonville, IL?
The poverty rate in Jacksonville is 18.4%. This means approximately 2,930 residents live below the federal poverty line.
What is the racial makeup of Jacksonville, Illinois?
Jacksonville's population is 81.5% White, 7.6% Black, 3.7% Hispanic/Latino, and 1.2% Asian.
What is the median home value in Jacksonville, IL?
The median home value in Jacksonville is $128,200. The home-value-to-income ratio is 2.0x.
How educated is Jacksonville, Illinois?
22.6% of adults (25+) in Jacksonville hold a bachelor's degree or higher, and 6.4% hold a graduate or professional degree.