Troy, IL housing market
The typical Troy home is worth about $333,000, up 4.4% in a year, 12% above the Illinois typical home. Homes typically sell in 121 days, close to asking.
Home values, sales, trends and how Troy compares with the towns next door — updated as new data is published.
Troy 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 | Troy | Illinois |
|---|---|---|
| 2017 | $193,000 | $181,000 |
| 2018 | $197,000 | $190,000 |
| 2019 | $204,000 | $195,000 |
| 2020 | $214,000 | $200,000 |
| 2021 | $238,000 | $215,000 |
| 2022 | $260,000 | $236,000 |
| 2023 | $279,000 | $248,000 |
| 2024 | $294,000 | $263,000 |
| 2025 | $307,000 | $278,000 |
| 2026 | $326,000 | $290,000 |
| August 2026 | $333,000 | $298,000 |
Troy and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Troy | $333K | +4.4% | 121 | $112,434 |
| Maryville | $332K | +3.6% | 27 | $100,670 |
| Collinsville | $198K | +5.3% | — | $77,785 |
3 years of income
The typical Troy home costs about 3 years of the town's median household income, less than across Illinois (3.6 years).
How Troy 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.