Posen, IL
Population 5,331 · Illinois
About Posen, IL
Posen is a small community in Illinois with a population of 5,331 residents. The median household income is $71,994 per year, which is above the national average. The median age in Posen is 33 years.
Housing in Posen has a median home value of $172,800 and median monthly rent of $1,478. Of the 1,721 total housing units, the majority are owner-occupied, with 1,172 owner-occupied and 464 renter-occupied units.
The unemployment rate in Posen is 5.7% and the poverty rate is 5.7%. 12.8% of residents hold a bachelor's degree or higher. The average commute time is 29.2 minutes.
Cost of Living in Posen, IL
Compared to national averages, Posen has a median household income of $71,994 (4% below the national median of $75,149). Home values average $172,800, which is 29% below the national median. Monthly rent at $1,478 is 27% above the US average of $1,163. Within Illinois, Posen's income is 4% below the state average of $75,072, and home values are 4% above the state median of $165,779.
Why Live in Posen, IL?
Posen offers affordable housing with a median home value of $172,800, below the US average of $244,900, and a low poverty rate of 5.7%, better than the national average.
Potential considerations include median household income ($71,994) that falls below the national average. However, Posen’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Posen has a population of 5,331 with a median age of 33 years. Compare Posen with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Posen
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Grandwood Park | 5,311 | $124,847 | $313,000 | Compare |
| Pana | 5,277 | $45,083 | $82,000 | Compare |
| Lake Barrington | 5,400 | $132,857 | $451,400 | Compare |
| Lake Holiday | 5,402 | $112,250 | $235,300 | Compare |
| Highwood | 5,243 | $101,862 | $454,500 | Compare |
| Berkeley | 5,222 | $83,224 | $222,400 | Compare |
| Candlewick Lake | 5,459 | $94,820 | $169,200 | Compare |
| Colona | 5,189 | $76,558 | $152,100 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
Compare Posen With Other Cities
Frequently Asked Questions about Posen
What is the population of Posen, IL?
The population of Posen, IL is 5,331 according to the latest Census data.
What is the median household income in Posen?
The median household income in Posen, IL is $71,994 per year.
What is the median home value in Posen?
The median home value in Posen, IL is $172,800.
What is the average rent in Posen?
The median monthly rent in Posen, IL is $1,478.
What is the unemployment rate in Posen?
The unemployment rate in Posen, IL is 5.7%.