Aztalan is a town in Jefferson County, Wisconsin, home to about 1,155 people across 24 square miles. It has no ZIP code of its own: it’s part of 53038, 53549 and 53551.
Homes sold for a median of $207 per square foot across 3 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Johnson Creek; part is in Aztalan
Mostly Jefferson City; part is in Aztalan
Mostly Lake Mills City; part is in Aztalan
Each card is that ZIP code’s whole market, including any part outside Aztalan. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Aztalan’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)47 miles away |
|---|---|
| Closer regional airport | Dane County Regional Truax Field (MSN)27 miles away |
| Nearest city of 250,000+ | Madison, WI31 miles away |
| Nearest city of 1 million+ | Chicago, IL101 miles away |
Straight-line distances from the center of Aztalan; 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.
Aztalan had 1,382 residents in the 2020 census, down 4% since 2000.
It’s the 775th 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 82°F in summer, and winter lows average 11°F. About 38.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Jefferson Wwtp, WI weather station (3 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).
161 doctors and other health care providers list an office in Aztalan’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 12 |
|---|---|
| Specialist doctors | 6 |
| Dentists | 11 |
| Nurse practitioners and physician assistants | 25 |
| Mental health providers | 57 |
| Physical and occupational therapists | 39 |
| Optometrists | 2 |
| Chiropractors | 9 |
| Pharmacies | 6 |
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 (17 nearby)
Grocery stores (2 nearby)
Pharmacies
Libraries
Museums (1 nearby)
Theaters and performance venues
Counts are within about 3.5 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 Jefferson School District, Johnson Creek School District, Lake Mills Area School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| East ElementaryJefferson | Pre-K–5 | 283 | Public | 2.2 mi |
| Johnson Creek Public SchoolJohnson Creek | Pre-K–12 | 634 | Public | 3.1 mi |
| Lake Mills ElementaryLake Mills | Pre-K–4 | 613 | Public | 5.7 mi |
| West ElementaryJefferson | K–5 | 233 | Public | 2.0 mi |
| Lake Mills MiddleLake Mills | 5–8 | 413 | Public | 5.7 mi |
| Jefferson MiddleJefferson | 6–8 | 349 | Public | 2.2 mi |
| Jefferson HighJefferson | 9–12 | 603 | Public | 2.1 mi |
| Lake Mills HighLake Mills | 9–12 | 447 | Public | 5.2 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St John the Baptist Catholic SchoolJefferson | Pre-K–8 | 82 | Roman Catholic | 2.1 mi |
| St Johns Lutheran SchoolJefferson | Pre-K–8 | 76 | Wisconsin Evangelical Lutheran Synod | 2.1 mi |
| St Paul Evangelical Lutheran SchoolLake Mills | Pre-K–8 | 203 | Wisconsin Evangelical Lutheran Synod | 4.7 mi |
| Lakeside Lutheran High SchoolLake Mills | 9–12 | 535 | Wisconsin Evangelical Lutheran Synod | 5.4 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 Jefferson City, Lake Mills City, Johnson Creek, Lake Mills Town, Jefferson Town (Jefferson County), Fort Atkinson, Hebron, Milford, Farmington Town (Jefferson County), Waterloo Town (Jefferson County) and Palmyra Town.
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.