Lake Mills city, Wisconsin
Lake Mills city profile, demographic data, and geographic information.
Lake Mills city is a geographic entity located in Jefferson County, Wisconsin. As of official census estimates, it has a reported population of 6,655. The land area covers 4.19 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 6,655 | — | 2025 / Census |
| Median Age | 40.3 yrs | ±2.8 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 2,581 | ±262 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 2,876 | ±270 |
| Occupied Housing Units | 2,581 | ±262 |
| Vacant Housing Units | 295 | ±193 |
| Median Home Value | $317,100 | ±$30,220 |
| Median Gross Rent | $1,209 | ±$93 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $91,027 | ±$16,785 |
| Per Capita Income | $43,531 | ±$3,836 |
| Poverty Rate | 5.1% | ±3.4% |
| Population Below Poverty Level | 327 | ±218 |
| Unemployment Rate | 2.4% | ±2.3% |
| Civilian Labor Force, Employed | 3,610 | ±314 |
| Broadband Internet Rate | 93.4% | ±1.6% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 6,617 (2024)
ID: 209795
|
Municipal | Official Local Government |
Contact: TREASURER/FINANCE DIRECTOR
200 D WATER ST, LAKE MILLS WI 53551-1632
|
|
GUS Population: 86,245 (2024)
ID: 177064
|
County | Official County Government |
Contact: CHAIRPERSON
311 S CENTER AVE, JEFFERSON WI 53549-1799
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Lake Mills | PK-04 | Lake Mills, WI | |
| Regular School Lake Mills | 09-12 | Lake Mills, WI | |
| Regular School Lake Mills | 05-08 | Lake Mills, WI | |
| Regular School Nearby | KG-05 | Fort Atkinson, WI | |
| Regular School Nearby | PK-05 | Cambridge, WI | |
| Regular School Nearby | 09-12 | Cambridge, WI | |
| Regular School Nearby | 01-02 | Cottage Grove, WI | |
| Alternative School Nearby | 07-12 | Deerfield, WI | |
| Regular School Nearby | PK-06 | Deerfield, WI | |
| Regular School Nearby | 09-12 | Deerfield, WI |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Maranatha Baptist University
|
College | 11.8 mi away | 745 West Main Street, Watertown, WI, 53094 |
9202619300
|
|
L.D. FARGO PUBLIC LIBRARY
|
Library | 0.3 mi away | 120 E. MADISON ST., LAKE MILLS, WI, 53551 |
(920) 648-2166
|
|
University of Wisconsin-Whitewater
|
College | 18.7 mi away | 800 W Main St, Whitewater, WI, 53190-1790 |
2624721234
|
|
JOHNSON CREEK PUBLIC LIBRARY
|
Library | 6.7 mi away | 125 LINCOLN ST., JOHNSON CREEK, WI, 53038 |
(920) 699-3741
|
|
Herzing University-Madison
|
College | 20.0 mi away | 5218 E. Terrace Dr., Madison, WI, 53718 |
8005821227
|
|
JEFFERSON PUBLIC LIBRARY
|
Library | 7.2 mi away | 321 S. MAIN ST., JEFFERSON, WI, 53549 |
(920) 674-7733
|
|
Madison Area Technical College
|
College | 21.5 mi away | 1701 Wright Street, Madison, WI, 53704-2599 |
6082466100
|
|
CAMBRIDGE COMMUNITY LIBRARY
|
Library | 7.6 mi away | 101 SPRING WATER ALY., CAMBRIDGE, WI, 53523 |
(608) 423-3900
|
|
Nashotah House
|
College | 24.4 mi away | 2777 Mission Rd, Nashotah, WI, 53058-9793 |
2626466500
|
|
DEERFIELD PUBLIC LIBRARY
|
Library | 8.7 mi away | 12 W. NELSON ST., DEERFIELD, WI, 53531 |
(608) 764-8102
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at LAKE MILLS WWTP, WI US, located 0.5 miles from Lake Mills city. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 26.8° | 11.4° | 19.1° | 1.41" | 10.7" |
| February | 31.1° | 14.1° | 22.6° | 1.52" | 11.4" |
| March | 43.2° | 24.6° | 33.9° | 2.03" | 4.9" |
| April | 57.0° | 35.9° | 46.4° | 3.59" | 2.1" |
| May | 69.5° | 47.7° | 58.6° | 4.39" | 0.1" |
| June | 79.8° | 58.4° | 69.1° | 5.11" | 0.0" |
| July | 83.5° | 62.4° | 73.0° | 4.37" | 0.0" |
| August | 81.0° | 60.6° | 70.8° | 4.50" | 0.0" |
| September | 74.0° | 51.7° | 62.9° | 3.47" | 0.0" |
| October | 60.8° | 40.2° | 50.5° | 2.82" | 0.2" |
| November | 45.2° | 28.5° | 36.9° | 2.12" | 2.0" |
| December | 32.3° | 18.0° | 25.1° | 1.65" | 10.9" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Lake Mills city | City | 0.0 mi | — |
| Lake Ripley CDP | CDP | 6.4 mi | — |
| Johnson Creek village | Village | 6.8 mi | — |
| Jefferson city | City | 7.1 mi | — |
| Cambridge village | Village | 7.6 mi | — |
| Waterloo city | City | 8.4 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 5505541675. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.