Posen, IL housing market
The typical Posen home is worth about $205,000, up 5.4% in a year, 31% below the Illinois typical home. Homes typically sell in 76 days, close to asking.
Home values, sales, trends and how Posen compares with the towns next door — updated as new data is published.
Posen at a glance
A strong seller's market
Homes are selling faster than new ones are listed: less than two months of supply. Well-priced homes can draw several offers.
Typical home value, 2016–2026
Show as a table
| January | Posen | Illinois |
|---|---|---|
| 2017 | $104,000 | $181,000 |
| 2018 | $114,000 | $190,000 |
| 2019 | $126,000 | $195,000 |
| 2020 | $130,000 | $200,000 |
| 2021 | $145,000 | $215,000 |
| 2022 | $167,000 | $236,000 |
| 2023 | $180,000 | $248,000 |
| 2024 | $187,000 | $263,000 |
| 2025 | $202,000 | $278,000 |
| 2026 | $197,000 | $290,000 |
| August 2026 | $205,000 | $298,000 |
Posen and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Posen | $205K | +5.4% | 76 | $73,051 |
| Dixmoor | $127K | +5.9% | — | $44,600 |
| Harvey | $109K | +2.4% | 44 | $42,429 |
| Blue Island | $210K | +5.3% | 53 | $59,489 |
| Markham | $157K | +2.7% | 85 | $57,302 |
| Thornton | $187K | +2.8% | — | $58,534 |
2.8 years of income
The typical Posen home costs about 2.8 years of the town's median household income, less than across Illinois (3.6 years).
How Posen ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.