Boone County, IL home prices
Boone County, IL: the typical home is worth $286,605 as of 2026-05, up +6.8% over the past year and n/a since 2000. Listings run about $163/sq ft. Rent…
Boone County is cooling and fairly valued — very affordable for what people here earn.
Real Estate Price Map scores, derived from the data on this page · how we calculate them
1978: $52,336 → 2026: $286,605 (5.5×) pre-2000 estimated via FHFA index
Market read
At $286,605, homes in Boone County sit 81% above the Illinois median ($158,388) and 23% above the US median ($233,954). That ranks #11 of 102 Illinois counties by price.
Prices are climbing fast (+6.8% in the last year) — a seller's market.
Homes here move at a steady pace — a median 36 days on the market, with 10% of listings cutting their asking price.
At 3.4× local income, that's more affordable than the typical US county (~3.8×).
Prices here sit roughly in line with what local incomes and rents imply at the typical US multiple.
Home value history
Zillow ZHVI, monthly from 2000 · recessions shaded. See the full 1975 history on the interactive map →
Nearby counties
Winnebago County, IL ($210,048) · McHenry County, IL ($368,900) · Rock County, WI ($296,353) · Walworth County, WI ($411,618) · DeKalb County, IL ($297,572) · Ogle County, IL ($228,072)
Frequently asked questions
What is the average home price in Boone County, IL?
Are home prices in Boone County rising or falling?
Is Boone County affordable?
How fast do homes sell in Boone County?
| Year | Median home value |
|---|---|
| 2003 | $120,733 |
| 2004 | $130,832 |
| 2005 | $135,972 |
| 2006 | $144,998 |
| 2007 | $147,835 |
| 2008 | $142,502 |
| 2009 | $132,795 |
| 2010 | $125,939 |
| 2011 | $119,427 |
| 2012 | $120,133 |
| 2013 | $120,100 |
| 2014 | $124,665 |
| 2015 | $130,701 |
| 2016 | $141,138 |
| 2017 | $150,979 |
| 2018 | $159,976 |
| 2019 | $169,842 |
| 2020 | $176,291 |
| 2021 | $203,404 |
| 2022 | $227,880 |
| 2023 | $234,446 |
| 2024 | $252,505 |
| 2025 | $269,689 |