Each edition grades its towns against each other only.
A town of 876.
The biggest park or preserve is Waterloo Wildlife Area, at 2,674 acres. Waterloo has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
The archive holds 6 old photos and papers going back to 1911.
1 place on the National Register of Historic Places.
Explore the history →Who provides power, water and the rest in Waterloo, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Waterloo.
Waterloo’s middle household income stands at $125,000. Jobs based in Waterloo grew to 97 in 2023, 30 more than in 2013. For residents in the town, the share who live below the poverty line is 17%. 15% of workers do their job from home locally, above both the Wisconsin town median (12%) and the median of U.S. towns (11%).
| Waterloo | Wisconsin towns | U.S. towns | |
|---|---|---|---|
| Below the poverty line | 17% | 6.4% | 9.6% |
| Median household income | $125,000 | $87,000 | $80,000 |
| Working residents who work in town | 0.2% | 8.3% | 8% |
| Work from home | 15% | 12% | 11% |
Census LEHD 2023 · ACS
Among adults 25 and older in Waterloo, 40% hold a bachelor’s degree or more. Adults 18 to 34 are 10% of residents (22% statewide); children under 18 are 33% of residents (21% statewide). For Waterloo, the midpoint age is 39.1 years.
| Waterloo | Wisconsin towns | U.S. towns | |
|---|---|---|---|
| Aged 65 or older | 11% | 20% | 18% |
| Bachelor’s degree or more, 25+ | 40% | 32% | 29% |
| Median age | 39.1 years | 42.1 years | 40.5 years |
Somewhere between 36% and 67% women
The Census survey reached too few of Waterloo’s residents to say more: its margin here is ±15.6 points. Across Wisconsin, 49.9% of residents are women.
| Waterloo | WI | U.S. | |
|---|---|---|---|
| Under 10 | 20.3% | 11.2% | 11.6% |
| 10 to 17 | 12.2% | 10.2% | 10.3% |
| 18 to 24 | 4.1% | 9.3% | 9.1% |
| 25 to 34 | 5.5% | 12.6% | 13.7% |
| 35 to 44 | 17.7% | 12.7% | 13.2% |
| 45 to 54 | 16% | 11.8% | 12.2% |
| 55 to 64 | 13.7% | 13.8% | 12.7% |
| 65 to 74 | 6.6% | 11.2% | 10.2% |
| 75 and older | 4% | 7.3% | 7% |
| No diploma | 4.9% | 6.4% | 10.4% |
| High school | 23.6% | 29.4% | 26% |
| Some college | 15.7% | 19.5% | 19.1% |
| Associate’s | 15.5% | 11.3% | 8.8% |
| Bachelor’s | 29.9% | 22% | 21.6% |
| Graduate | 10.3% | 11.4% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 900, single groups can be off by several points
The density of trails in Waterloo is 0.2 miles per square mile. 4.9 miles of trail in 3 parks and preserves.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Waterloo Wildlife Area | — | 2,674 |
| 2. Waterloo Prairie State Natural Area | — | 214 |
| 3. Holzhueter Farm Conservation Park | — | 113 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
NOAA U.S. Climate Normals, 1991–2020
On expected storm and flood damage, Waterloo sits below two thirds of U.S. communities. 53% of the town’s expected losses from natural hazards come from inland flooding, followed by tornadoes at 17%.
FEMA National Risk Index · OpenFEMA
In Waterloo, 19% of adults binge drink. This Wisconsin town tracks Wisconsin closely on all 32 CDC measures.
| Waterloo | Wisconsin towns | U.S. towns | |
|---|---|---|---|
| Obesity (CDC PLACES) | 41% | 38% | 35% |
| Binge drink (CDC PLACES) | 19% | 20% | 16% |
| Sleep under 7 hours (CDC PLACES) | 32% | 32% | 36% |
| High blood pressure (CDC PLACES) | 31% | 33% | 35% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
1 within 15 miles of the center of Waterloo
About 2 of every 100 Waterloo residents are enrolled in college, against 6 across Wisconsin.
Where Waterloo’s working residents go each day. Line width shows the share.
Census LEHD 2023
City in Wisconsin, United States
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.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Waterloo has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Waterloo has 1 place on the National Register of Historic Places. 2 notable people were born here, including Everis A. Hayes and Tom Hamilton.