Posen is a village in Cook County, Illinois, home to about 5,292 people across 1.2 square miles. Its ZIP code is 60469.
Homes sold for a median of $162 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Posen. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Posen’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago Midway International Airport (MDW)11 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL14 miles away |
Straight-line distances from the center of Posen; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Posen had 5,632 residents in the 2020 census, up 19% since 2000.
It’s the 327th largest of 1,450 towns in Illinois by population.
Cook County grew from 1,838,735 residents in 1900 to 5,275,541 in 2020.
Cook County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 20°F. About 40.9 inches of rain and melted snow fall in a typical year, with about 39 inches of snow.
Source: NOAA 1991–2020 climate normals, Chicago Midway Ap 3sw, IL weather station (9 miles away).
2,492,328 jobs at 134,513 businesses in Cook County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Posen.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Mental health providers | 1 |
| Pharmacies | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (4 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries
Museums
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Posen-Robbins ESD 143-5. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Gordon SchoolPosen | K–3 | 312 | Public | 0.6 mi |
| Posen Elem SchoolPosen | 4–5 | 246 | Public | 0.1 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Academic Mastery AcademyPosen | K–8 | 26 | Nonsectarian | 0.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.