Addison is a town in Washington County, Wisconsin, home to about 3,435 people across 36 square miles. Its ZIP code is 53002, and parts of 53027 and 53090 are in Addison too.
Homes sold for a median of $214 per square foot in the three months ending August 2026, a seller’s market.
Mostly Addison; also Wayne Town (Washington County)
Mostly Hartford City (Washington County); part is in Addison
Mostly West Bend; part is in Addison
Each card is that ZIP code’s whole market, including any part outside Addison. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Addison’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | General Mitchell International Airport (MKE)38 miles away |
|---|---|
| Nearest city of 250,000+ | Milwaukee, WI30 miles away |
| Nearest city of 1 million+ | Chicago, IL113 miles away |
Straight-line distances from the center of Addison; 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.
Addison had 3,464 residents in the 2020 census, up 4% since 2000.
It’s the 276th largest of 1,889 towns in Wisconsin by population.
Washington County grew from 23,589 residents in 1900 to 136,761 in 2020.
Washington County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 80°F in summer, and winter lows average 8°F. About 35.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Slinger Wwtp, WI weather station (5 miles away).
54,404 jobs at 3,427 businesses in Washington County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Addison.
Nearest hospitals
Providers with an office here
| Dentists | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (7 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
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.
Public schools here are run by Slinger School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Allenton ElementaryAllenton | Pre-K–5 | 417 | Public | 0.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Hartford City (Washington County), West Bend, Hartford Town, Erin, Barton, Trenton Town (Washington County), Farmington Town (Washington County), Wayne Town (Washington County), Newburg, Herman Town (Dodge County) and Newburg Village.
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.