Mount Prospect, IL housing market
The typical Mount Prospect home is worth about $454,000, up 7.4% in a year, 52% above the Illinois typical home. Homes typically sell in 41 days, a little above asking.
Home values, sales, trends and how Mount Prospect compares with the towns next door — updated as new data is published.
Mount Prospect 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 | Mount Prospect | Illinois |
|---|---|---|
| 2017 | $295,000 | $181,000 |
| 2018 | $306,000 | $190,000 |
| 2019 | $306,000 | $195,000 |
| 2020 | $302,000 | $200,000 |
| 2021 | $317,000 | $215,000 |
| 2022 | $341,000 | $236,000 |
| 2023 | $359,000 | $248,000 |
| 2024 | $384,000 | $263,000 |
| 2025 | $410,000 | $278,000 |
| 2026 | $437,000 | $290,000 |
| August 2026 | $454,000 | $298,000 |
Mount Prospect and its neighbors
| Town | Typical value | 1-yr change | Days on market | Median income |
|---|---|---|---|---|
| Mount Prospect | $454K | +7.4% | 41 | $101,720 |
| Arlington Heights | $496K | +8.9% | 36 | $116,723 |
| Des Plaines | $359K | +6.9% | 42 | $97,875 |
| Prospect Heights | $333K | +7.2% | 49 | $85,008 |
4.5 years of income
The typical Mount Prospect home costs about 4.5 years of the town's median household income, more than across Illinois (3.6 years).
How Mount Prospect 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.