Grafton, IL housing market
The typical Grafton home is worth about $274,000, up 4.9% in a year, 8% below the Illinois typical home.
Home values, sales, trends and how Grafton compares with the towns next door — updated as new data is published.
Grafton at a glance
Only 1 sale in May 2026: in a market this size, monthly medians swing a lot, so the typical value above is the steadier guide.
Typical home value, 2016–2026
Show as a table
| January | Grafton | Illinois |
|---|---|---|
| 2017 | $186,000 | $181,000 |
| 2018 | $186,000 | $190,000 |
| 2019 | $173,000 | $195,000 |
| 2020 | $209,000 | $200,000 |
| 2021 | $223,000 | $215,000 |
| 2022 | $228,000 | $236,000 |
| 2023 | $243,000 | $248,000 |
| 2024 | $251,000 | $263,000 |
| 2025 | $261,000 | $278,000 |
| 2026 | $270,000 | $290,000 |
| August 2026 | $274,000 | $298,000 |
10 new homes permitted in 2025
Builders were permitted 10 new homes in Grafton in 2025, all single-family houses, worth about $3 million to build. Over the past 10 years, Grafton has permitted 166 homes in all.
Homes vs. people, 2010–2020
Between the 2010 and 2020 censuses, Grafton's population fell by 48 even though 51 new homes were permitted. Homes are holding fewer people: households are getting smaller, or more homes are used part of the year. 20% of Grafton's homes are seasonal or vacation homes, which adds housing without adding residents.
Residents: U.S. Census Bureau, 2010 and 2020 censuses. New homes: permits issued 2010–2019.
Show as a table
| Year | New homes | Single-family | 2+ per building | Value |
|---|---|---|---|---|
| 2026 (Jan–Aug) | 2 | 2 | 0 | $859,000 |
| 2025 | 10 | 10 | 0 | $3 million |
| 2024 | 3 | 3 | 0 | $575,000 |
| 2023 | 3 | 3 | 0 | $640,000 |
| 2022 | 32 | 32 | 0 | $10.7 million |
| 2021 | 41 | 41 | 0 | $13.7 million |
| 2020 | 36 | 36 | 0 | $12 million |
| 2019 | 40 | 40 | 0 | $13.3 million |
| 2018 | 0 | 0 | 0 | — |
| 2017 | 1 | 1 | 0 | $432,000 |
| 2016 | 0 | 0 | 0 | — |
| 2015 | 0 | 0 | 0 | — |
| 2014 | 0 | 0 | 0 | — |
| 2013 | 4 | 4 | 0 | $400,000 |
| 2012 | 2 | 2 | 0 | $200,000 |
| 2011 | 2 | 2 | 0 | $200,000 |
| 2010 | 2 | 2 | 0 | $200,000 |
| 2009 | 3 | 3 | 0 | $300,000 |
| 2008 | 3 | 3 | 0 | $365,000 |
| 2007 | 5 | 5 | 0 | $608,000 |
| 2006 | 9 | 9 | 0 | $1.1 million |
| 2005 | 12 | 12 | 0 | $1.5 million |
| 2004 | 13 | 13 | 0 | $1.6 million |
| 2003 | 15 | 15 | 0 | $1.8 million |
| 2002 | 12 | 12 | 0 | $1.3 million |
| 2001 | 6 | 6 | 0 | $912,000 |
| 2000 | 5 | 5 | 0 | $815,000 |
Homes authorized by building permits, counted in the year the permit was issued. U.S. Census Bureau, Building Permits Survey, through August 2026.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024 · figures for a place this size carry wide margins of error.
A two-bedroom rents for about $990
HUD's Fair Market Rent for a two-bedroom in Grafton is $990 a month, utilities included: roughly what a modest, recently rented unit costs. Renters already in Grafton pay a median of $629, so moving in tends to cost more than staying put.
Studio $760 · 4 bedrooms $1,480
U.S. Department of Housing and Urban Development, FY2026 Fair Market Rents by ZIP code (62037; St. Louis, MO-IL HUD Metro FMR Area), weighted by land area. A Fair Market Rent is the 40th-percentile rent plus utilities for a standard unit. Median rent: U.S. Census Bureau, American Community Survey.
Recent listings in Grafton
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. New homes: U.S. Census Bureau, Building Permits Survey. Fair Market Rents: U.S. Department of Housing and Urban Development. Listings link to their publishers.