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Waterloo, WI
City in Jefferson County, Wisconsin.
Population
3,600
Land area
3.8sq mi
People per sq mi
949
ZIP codes
0
Waterloo and its ZIP codes
Waterloo at a glance
- Waterloo is about 8.7 times as dense as Wisconsin as a whole.
- Households here earn a median of $87,776 a year, 13% more than the Wisconsin figure of $77,485.
- A typical owner-occupied home is valued at $230,600 (13% below Wisconsin) and median rent is $1,106 a month.
Local data for Waterloo, WI
Counts from official public data
Housing and community stats
Waterloo, WI, American Community Survey 2020-2024
Median household income
$87,776
Poverty rate
13.7%
Median home value
$230,600
Median rent
$1,106/mo
Homeownership
68.9%
Bachelor's or higher
23.9%
Median age
37.8
Average commute
32.2 min
Largest reported origins and ancestries: German Americans (1,270), Mexican Americans (541), Norwegian Americans (489).
Economy and federal money
Jobs, pay, income and spending are for Jefferson County. PPP loans are for Waterloo.
Unemployment rate
2.8%
Aug 2026, 0.0 pts in a year
Average annual pay
$56,423
33,413 jobs, 2025
Income per person
$60,938
BEA, 2024
Federal spending
$543M
FY 2026, $6,393 per person
How people get to work
Waterloo, WI, workers 16 and older. American Community Survey 5-year estimates
- Drove alone71.2%
- Carpooled10.3%
- Public transit0.0%
- Walked0.0%
- Bicycle1.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home17.5%
Average one-way commute: 32.2 minutes for people who do not work from home.
Environment and hazard risk
Waterloo, WI, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: hail
Storm events since 1996
967
Countywide, mostly thunderstorm wind
Flood insurance policies
153
0.5% of homes, county
July high / Jan low
82° / 11°F
38.5 inches of rain a year
Hazards, floods and storm historyCheck a flood zone2 historic places
Health statistics
Share of adults in Waterloo, WI, CDC PLACES estimates
Obesity
42.2%
U.S. 33.3% +8.9 pts
Diabetes
10.9%
U.S. 12.1% -1.2 pts
Smoking
14.4%
U.S. 12.8% +1.6 pts
Uninsured (18-64)
9.9%
U.S. 11.1% -1.2 pts
Cities near Waterloo
| Name | Distance | Land area (sq mi) |
|---|---|---|
| MarshallVillage | 3.6 mi | 2.1 |
| Lake MillsCity | 8.3 mi | 4.2 |
| DeerfieldVillage | 10 mi | 2.2 |
| ColumbusCity | 11 mi | 4.5 |
| ReesevilleVillage | 11 mi | 0.6 |
| CambridgeVillage | 12 mi | 1.5 |
| Cottage GroveVillage | 13 mi | 4.7 |
| Lake RipleyCensus-designated place | 13 mi | 3.3 |
| Sun PrairieCity | 13 mi | 13.1 |
| WatertownCity | 13 mi | 12.1 |
| Johnson CreekVillage | 13 mi | 3 |
| LowellVillage | 14 mi | 1 |
| Fall RiverVillage | 14 mi | 1.9 |
| RockdaleVillage | 15 mi | 0.3 |
| JeffersonCity | 15 mi | 5.8 |
| WindsorVillage | 15 mi | 27.5 |
Frequently asked questions
- What county is Waterloo, WI in?
- Waterloo is in Jefferson County, Wisconsin.
- What is the population of Waterloo, WI?
- About 3,600 people live in Waterloo, based on American Community Survey 5-year estimates.
- What cities are near Waterloo?
- Nearby places include Marshall (3.6 mi), Lake Mills (8.3 mi), Deerfield (10 mi), Columbus (11 mi), Reeseville (11 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023