Browse / United States / Wisconsin / Waterloo
Waterloo
Wisconsincity
Waterloo
Total population
3,600
Median home value
$230,600
Bachelor's+
Median income
$87,776
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Facts from Wikidata (CC0).
Overview
Waterloo is a city in Jefferson County, Wisconsin, United States. The population was 3,628 at the 2020 census. The name Waterloo was suggested by a French resident who was one of Napoleon's soldiers at the Battle of Waterloo. Waterloo is located in the Watertown–Fort Atkinson micropolitan area. The city is the home of Trek Bicycle Corporation.
Read more on WikipediaHistory & geography
Geography
Waterloo is located at (43.18366, -88.989965) at the intersection of Wisconsin Highway 89 and Wisconsin Highway 19 in northwestern Jefferson County. According to the United States Census Bureau, the city has a total area of , of which is land and is water.
Excerpted from the corresponding Wikipedia article (CC BY-SA).
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for Waterloo, WI from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Age-adjusted prevalence estimates from CDC PLACES (latest release).
Walkability
Amenities nearby
Wildlife & biodiversity
Most-observed species
- Northern CardinalCardinalis cardinalis (Linnaeus, 1758) · Aves7,934
- Black-capped ChickadeePoecile atricapillus (Linnaeus, 1766) · Aves7,591
- American RobinTurdus migratorius Linnaeus, 1766 · Aves6,981
- American CrowCorvus brachyrhynchos C.L.Brehm, 1822 · Aves6,965
- Mourning DoveZenaida macroura (Linnaeus, 1758) · Aves6,474
- American GoldfinchSpinus tristis (Linnaeus, 1758) · Aves6,324
- Blue JayCyanocitta cristata (Linnaeus, 1758) · Aves6,233
- Red-winged BlackbirdAgelaius phoeniceus (Linnaeus, 1766) · Aves6,128
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Earthquake history
Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).
Photos
Sights & places nearby
Notable people from here




People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.
Nearby places in Wisconsin
- Deerfield10.2 mi away · pop. 2,541
- Reeseville11.2 mi away
- Sun Prairie12.5 mi away · pop. 35,967
- Watertown13.2 mi away · pop. 22,926
- Windsor15.3 mi away
- DeForest18.2 mi away · pop. 11,501
- Helenville18.6 mi away · pop. 96
- Lebanon18.7 mi away · pop. 85
- Fort Atkinson19.4 mi away · pop. 12,463
- Ixonia20.1 mi away · pop. 2,684
- Juneau20.9 mi away · pop. 2,625
- Beaver Dam21.2 mi away · pop. 16,565
Geography & sun
Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.
Nearby airports
Public attention
Pageview totals from the Wikimedia Pageviews API.
Books about Waterloo



Search results from Open Library.
Recent natural events nearby
Ground air-quality sensors
Recently spotted species









Research-grade observations from iNaturalist (within ~15 mi).
Nearest stream gauge
Live readings from USGS NWIS · measured 2026-10-13 11:00 UTC.
Events
Gallery
Sources
- • Wikipedia
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • USGS Earthquake Catalog (global feed)
- • USGS NWIS (water data)
- • GBIF (Global Biodiversity Information Facility)
- • iNaturalist
- • CDC PLACES
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library