Ottawa, IL housing market
The typical Ottawa home is worth about $216,000, up 5.7% in a year, 27% below the Illinois typical home. Homes typically sell in 61 days, below asking.
Home values, sales, trends and how Ottawa compares with the towns next door — updated as new data is published.
Ottawa at a glance
A balanced market
About 5.4 months of supply: neither buyers nor sellers have a clear edge.
Typical home value, 2016–2026
Show as a table
| January | Ottawa | Illinois |
|---|---|---|
| 2017 | $119,000 | $181,000 |
| 2018 | $125,000 | $190,000 |
| 2019 | $129,000 | $195,000 |
| 2020 | $136,000 | $200,000 |
| 2021 | $147,000 | $215,000 |
| 2022 | $165,000 | $236,000 |
| 2023 | $169,000 | $248,000 |
| 2024 | $178,000 | $263,000 |
| 2025 | $192,000 | $278,000 |
| 2026 | $212,000 | $290,000 |
| August 2026 | $216,000 | $298,000 |
Ottawa and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Ottawa | $216K | +5.7% | 61 | $71,413 |
| Naplate | $156K | +8.9% | — | $71,875 |
3 years of income
The typical Ottawa home costs about 3 years of the town's median household income, less than across Illinois (3.6 years).
How Ottawa 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.