Bradford is a town in Rock County, Wisconsin, home to about 897 people across 36 square miles. Its ZIP code is 53505, and parts of 53114, 53525 and 53546 are in Bradford too.
Homes sold for a median of $189 per square foot across 3 ZIP codes in the three months ending August 2026, and 2 of 3 were seller’s markets.
Mostly Bradford; also Johnstown Town (Rock County)
Mostly Darien Village; part is in Bradford
Mostly Clinton Village; part is in Bradford
Mostly Janesville; part is in Bradford
Each card is that ZIP code’s whole market, including any part outside Bradford. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | General Mitchell International Airport (MKE)54 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)32 miles away |
| Nearest city of 250,000+ | Madison, WI43 miles away |
| Nearest city of 1 million+ | Chicago, IL81 miles away |
Straight-line distances from the center of Bradford; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Bradford had 1,013 residents in the 2020 census, up 1% since 2000.
It’s the 999th largest of 1,889 towns in Wisconsin by population.
Rock County grew from 51,203 residents in 1900 to 163,687 in 2020.
Rock County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 10°F. About 37.8 inches of rain and melted snow fall in a typical year, with about 38 inches of snow.
Source: NOAA 1991–2020 climate normals, Clinton Wwtp, WI weather station (5 miles away).
64,537 jobs at 3,362 businesses in Rock County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores
Libraries
Counts are within about 4 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Shares ZIP codes with Janesville, Clinton Village, Harmony Town (Rock County), Darien Village, Darien Town, Turtle, Clinton Town (Rock County), La Prairie, Rock Town (Rock County), Johnstown Town (Rock County) and Sharon Town (Walworth County).
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.