Lake Mills is a city in Winnebago County, Iowa, home to about 2,088 people across 2.7 square miles. Its ZIP code is 50450.
Homes sold for a median of $116 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Lake Mills. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lake Mills’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)102 miles away |
|---|---|
| Closer regional airport | Mason City Municipal Airport (MCW)20 miles away |
| Nearest city of 250,000+ | Minneapolis, MN108 miles away |
| Nearest city of 1 million+ | Chicago, IL317 miles away |
Straight-line distances from the center of Lake Mills; 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.
Lake Mills had 2,143 residents in the 2020 census, up 0% since 2000.
It’s the 163rd largest of 1,019 towns in Iowa by population.
Winnebago County grew from 12,725 residents in 1900 to 10,679 in 2020.
Winnebago 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 6°F. About 35.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Forest City 2 Nne, IA weather station (10 miles away).
6,043 jobs at 300 businesses in Winnebago County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
10 doctors and other health care providers list an office in Lake Mills.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 2 |
| Physical and occupational therapists | 4 |
| Chiropractors | 3 |
| Pharmacies | 2 |
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 (1 nearby)
Libraries (1 nearby)
Counts are within about 1.5 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 Lake Mills Comm School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lake Mills Elementary SchoolLake Mills | Pre-K–5 | 303 | Public | 0.1 mi |
| Lake Mills Middle SchoolLake Mills | 6–8 | 146 | Public | 0.1 mi |
| Lake Mills Senior High SchoolLake Mills | 9–12 | 193 | Public | 0.1 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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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.