Posen, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Posen, Illinois had a total population of 5,292, the 327th largest village in Illinois, with a median household income of $73,051, which is 12% lower than the state average. The poverty rate is 21.5%.
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 2.4x.
Posen Quick Facts
How Posen 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 | 5,331 | 5,292 | -0.7% |
| Median household income | $71,994 | $73,051 | +1.5% |
| Median home value | $172,800 | $172,900 | +0.1% |
How Posen 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
Moderate diversity with one or two groups making up the majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Posen Rankings in Illinois
Explore Illinois Rankings
Other Cities in Cook County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Chicago | 2,711,226 | $77,902 | 16.8% | $334,100 |
| Elgin | 114,934 | $90,282 | 9.8% | $273,000 |
| Cicero | 82,797 | $70,842 | 14.6% | $249,400 |
| Schaumburg | 76,868 | $97,514 | 5.7% | $330,400 |
| Evanston | 76,340 | $96,434 | 11.8% | $481,200 |
| Arlington Heights | 76,005 | $116,723 | 6.0% | $414,500 |
| Palatine | 66,293 | $97,819 | 8.2% | $355,600 |
| Skokie | 66,219 | $95,337 | 9.7% | $387,200 |
| Des Plaines | 59,156 | $97,875 | 6.0% | $335,600 |
| Orland Park | 57,916 | $98,910 | 7.3% | $367,200 |
Cities Similar to Posen
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Coal City | 5,317 | $72,857 | $201,600 | 23.2% | 4.4% |
| Spring Valley | 5,476 | $70,598 | $153,300 | 16.9% | 7.1% |
| Colona | 5,139 | $79,700 | $147,500 | 18.9% | 3.8% |
| Pinckneyville | 5,018 | $69,583 | $133,500 | 12.6% | 9.1% |
| Wilmington | 5,494 | $66,154 | $223,800 | 19.8% | 11.5% |
Population Overview
Posen is a small city located in Illinois, within Cook County. The total population is 5,292. It ranks as the 327th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Posen is 33.1 years. This is 15% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Posen is $73,051. This is 12% lower than the state median of $83,390. It is also 10% lower than the national median of $80,734. The poverty rate stands at 21.5%. This is 82% higher than the state poverty rate of 11.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 6.1%. This is 5% higher than the state rate of 5.8%. The median home value is $172,900. Housing costs are 34% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.4x, Posen is one of the most affordable housing markets in the area. 67.1% of occupied housing units are owner-occupied.
Race & Ethnicity
The largest racial or ethnic group in Posen is Hispanic or Latino, making up 68.7% of the population. Black or African American residents account for 15.6%. The White (non-Hispanic) population (14.6%) is well below the state average of 58.1%. The Hispanic or Latino population is significantly higher than the state average (68.7% vs 18.8%).
Education
11.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 70% 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 79.5%.
Data Sources & Methodology
All demographic data for Posen, 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 Posen, Illinois?
Posen, Illinois has a population of 5,292 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Posen, IL?
The median household income in Posen is $73,051, which is 10% lower than the national median of $80,734.
What is the poverty rate in Posen, IL?
The poverty rate in Posen is 21.5%. This means approximately 1,119 residents live below the federal poverty line.
What is the racial makeup of Posen, Illinois?
Posen's population is 14.6% White, 15.6% Black, 68.7% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Posen, IL?
The median home value in Posen is $172,900. The home-value-to-income ratio is 2.4x.
How educated is Posen, Illinois?
11.5% of adults (25+) in Posen hold a bachelor's degree or higher, and 2.9% hold a graduate or professional degree.