Waterloo city, Wisconsin
Waterloo city profile, demographic data, and geographic information.
Waterloo city is a geographic entity located in Jefferson County, Wisconsin. As of official census estimates, it has a reported population of 3,600. The land area covers 3.79 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,600 | — | 2025 / Census |
| Median Age | 37.8 yrs | ±3.6 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 1,589 | ±175 | 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 | 1,644 | ±172 |
| Occupied Housing Units | 1,589 | ±175 |
| Vacant Housing Units | 55 | ±87 |
| Median Home Value | $230,600 | ±$9,469 |
| Median Gross Rent | $1,106 | ±$113 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $87,776 | ±$19,309 |
| Per Capita Income | $38,304 | ±$4,818 |
| Poverty Rate | 13.7% | ±7.3% |
| Population Below Poverty Level | 490 | ±262 |
| Unemployment Rate | 0.6% | ±0.9% |
| Civilian Labor Force, Employed | 2,080 | ±228 |
| Broadband Internet Rate | 87.7% | ±4.6% |
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 |
|---|---|---|---|
|
CITY OF WATERLOO
GUS Population: 3,611 (2024)
ID: 194221
|
Municipal | Official Local Government |
Contact: CLERK TREASURER
136 N MONROE ST, WATERLOO WI 53594-1125
|
|
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 Waterloo | PK-04 | Waterloo, WI | |
| Regular School Waterloo | 09-12 | Waterloo, WI | |
| Regular School Waterloo | 05-06 | Waterloo, WI | |
| Regular School Waterloo | 07-08 | Waterloo, WI | |
| Regular School Nearby | KG-05 | Sun Prairie, WI | |
| Regular School Nearby | PK-05 | Cambridge, WI | |
| Regular School Nearby | 09-12 | Cambridge, WI | |
| Regular School Nearby | 06-08 | Sun Prairie, WI | |
| Regular School Nearby | PK-05 | Columbus, WI | |
| Regular School Nearby | 09-12 | Columbus, 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 | 12.8 mi away | 745 West Main Street, Watertown, WI, 53094 |
9202619300
|
|
KARL JUNGINGER MEMORIAL LIBRARY
|
Library | 0.5 mi away | 625 N. MONROE ST., WATERLOO, WI, 53594 |
(920) 478-3344
|
|
Herzing University-Madison
|
College | 15.4 mi away | 5218 E. Terrace Dr., Madison, WI, 53718 |
8005821227
|
|
MARSHALL COMMUNITY LIBRARY
|
Library | 3.4 mi away | 605 WATERLOO RD., MARSHALL, WI, 53559 |
(608) 655-3123
|
|
Madison Area Technical College
|
College | 17.5 mi away | 1701 Wright Street, Madison, WI, 53704-2599 |
6082466100
|
|
L.D. FARGO PUBLIC LIBRARY
|
Library | 8.1 mi away | 120 E. MADISON ST., LAKE MILLS, WI, 53551 |
(920) 648-2166
|
|
Aveda Institute-Madison
|
College Vocational | 22.0 mi away | 353 East Campus Mall, Madison, WI, 53715-0000 |
6082503100
|
|
DEERFIELD PUBLIC LIBRARY
|
Library | 9.9 mi away | 12 W. NELSON ST., DEERFIELD, WI, 53531 |
(608) 764-8102
|
|
University of Wisconsin-Madison
|
College | 22.2 mi away | 500 Lincoln Dr, Madison, WI, 53706-1380 |
6082632400
|
|
COLUMBUS PUBLIC LIBRARY
|
Library | 10.9 mi away | 223 W. JAMES ST., COLUMBUS, WI, 53925 |
(920) 623-5910
|
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 WATERLOO WWTP, WI US, located 0.4 miles from Waterloo city. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 27.4° | 10.7° | 19.0° | 1.39" | — |
| February | 31.4° | 13.7° | 22.5° | 1.64" | — |
| March | 43.2° | 24.3° | 33.7° | 2.03" | — |
| April | 56.7° | 35.1° | 45.9° | 3.88" | — |
| May | 69.2° | 46.4° | 57.8° | 4.23" | — |
| June | 78.5° | 56.8° | 67.7° | 5.61" | — |
| July | 82.3° | 60.5° | 71.4° | 4.44" | — |
| August | 80.5° | 59.1° | 69.8° | 4.14" | — |
| September | 72.6° | 50.2° | 61.4° | 3.88" | — |
| October | 60.6° | 38.4° | 49.5° | 3.04" | — |
| November | 45.4° | 28.0° | 36.7° | 2.42" | — |
| December | 32.9° | 17.5° | 25.2° | 1.77" | — |
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 |
|---|---|---|---|
| Waterloo city | City | 0.0 mi | — |
| Marshall village | Village | 3.7 mi | — |
| Lake Mills city | City | 8.4 mi | — |
| Deerfield village | Village | 10.2 mi | — |
| Columbus city | City | 10.8 mi | — |
| Reeseville village | Village | 11.2 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 5505583925. • 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.