Waterloo, IL housing market
The typical Waterloo home is worth about $331,000, up 3.1% in a year, 11% above the Illinois typical home. Homes typically sell in 53 days, below asking.
Home values, sales, trends and how Waterloo compares with the towns next door — updated as new data is published.
Waterloo at a glance
A seller's market
Supply is tight — about 2.1 months of homes for sale at the current pace. Buyers should expect competition on well-priced homes.
Typical home value, 2016–2026
Show as a table
| January | Waterloo | Illinois |
|---|---|---|
| 2017 | $193,000 | $181,000 |
| 2018 | $207,000 | $190,000 |
| 2019 | $212,000 | $195,000 |
| 2020 | $223,000 | $200,000 |
| 2021 | $245,000 | $215,000 |
| 2022 | $259,000 | $236,000 |
| 2023 | $274,000 | $248,000 |
| 2024 | $289,000 | $263,000 |
| 2025 | $310,000 | $278,000 |
| 2026 | $332,000 | $290,000 |
| August 2026 | $331,000 | $298,000 |
3.4 years of income
The typical Waterloo home costs about 3.4 years of the town's median household income, about the same as across Illinois (3.6).
How Waterloo 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.