Ixonia is a town in Jefferson County, Wisconsin, home to about 5,078 people across 36 square miles. Its ZIP code is 53036, and parts of 53066 and 53094 are in Ixonia too.
Homes sold for a median of $200 per square foot in the three months ending August 2026, a balanced market.
Mostly Ixonia; also Oconomowoc Town and Lebanon Town (Dodge County)
Mostly Oconomowoc City; part is in Ixonia
Mostly Watertown City (Jefferson County); part is in Ixonia
Each card is that ZIP code’s whole market, including any part outside Ixonia. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Ixonia’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)39 miles away |
|---|---|
| Nearest city of 250,000+ | Milwaukee, WI33 miles away |
| Nearest city of 1 million+ | Chicago, IL103 miles away |
Straight-line distances from the center of Ixonia; 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.
Ixonia had 5,120 residents in the 2020 census, up 76% since 2000.
It’s the 186th largest of 1,889 towns in Wisconsin by population.
Jefferson County grew from 34,789 residents in 1900 to 84,900 in 2020.
Jefferson County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 11°F. About 37.4 inches of rain and melted snow fall in a typical year, with about 37 inches of snow.
Source: NOAA 1991–2020 climate normals, Watertown Wwtp, WI weather station (6 miles away).
31,584 jobs at 2,058 businesses in Jefferson County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Ixonia.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 3 |
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 (3 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues (3 nearby)
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 Oconomowoc Area School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Ixonia ElementaryIxonia | Pre-K–4 | 256 | Public | 0.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Pauls Lutheran SchoolIxonia | Pre-K–8 | 52 | Wisconsin Evangelical Lutheran Synod | 1.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Oconomowoc City, Watertown City (Jefferson County), Oconomowoc Town, Summit, Watertown Town, Ashippun, Johnson Creek, Oconomowoc Lake, Concord, Milford, Farmington Town (Jefferson County), Lac La Belle Village (Waukesha County), Lebanon Town (Dodge County) and Lac La Belle Village (Jefferson 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.