Illiopolis, IL housing market
The typical Illiopolis home is worth about $144,000, up 9.1% in a year, 52% below the Illinois typical home.
Home values, sales, trends and how Illiopolis compares with the towns next door — updated as new data is published.
Illiopolis at a glance
Typical home value, 2017–2026
Show as a table
| January | Illiopolis | Illinois |
|---|---|---|
| 2018 | $94,000 | $190,000 |
| 2019 | $92,000 | $195,000 |
| 2020 | $105,000 | $200,000 |
| 2021 | $106,000 | $215,000 |
| 2022 | $109,000 | $236,000 |
| 2023 | $116,000 | $248,000 |
| 2024 | $124,000 | $263,000 |
| 2025 | $129,000 | $278,000 |
| 2026 | $141,000 | $290,000 |
| August 2026 | $144,000 | $298,000 |
Illiopolis and its neighbors
| Town | Typical value | 1-yr change | 2-bed rent | Median income |
|---|---|---|---|---|
| Illiopolis | $144K | +9.1% | $1,020 | $83,000 |
| Mount Auburn | $146K | +8.6% | $1,210 | $63,472 |
| Niantic | $141K | +3% | $980 | $86,875 |
1.7 years of income
The typical Illiopolis home costs about 1.7 years of the town's median household income, less than across Illinois (3.6 years).
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
A two-bedroom rents for about $1,020
HUD's Fair Market Rent for a two-bedroom in Illiopolis is $1,020 a month, utilities included: roughly what a modest, recently rented unit costs. Renters already in Illiopolis pay a median of $825, so moving in tends to cost more than staying put. A two-bedroom takes about 15% of the town's median household income.
Studio $700 · 4 bedrooms $1,410
U.S. Department of Housing and Urban Development, FY2026 Fair Market Rents by ZIP code (62539; Decatur, IL MSA), weighted by land area. A Fair Market Rent is the 40th-percentile rent plus utilities for a standard unit. Median rent: U.S. Census Bureau, American Community Survey.
Recent listings in Illiopolis
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Fair Market Rents: U.S. Department of Housing and Urban Development. Listings link to their publishers.