Each edition grades its towns against each other only.
A town of 829, settled in 1890.
32% of residents are 65 or older in Sumner, against 20% in Wisconsin’s towns and 18% across U.S. towns. Among 363 Wisconsin towns, just 2 have a lower share of working residents who work in town than Sumner. Lorine Niedecker Cottage is on the National Register of Historic Places. Sumner 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 1 old photo or paper going back to 1946 and 4 maps from 1891 on.
1 place on the National Register of Historic Places.
Who provides power, water and the rest in Sumner, 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 Sumner.
Most working residents leave Sumner for work: only 1% work in town. Jobs based in Sumner grew to 87 in 2023, 50 more than in 2013. At 26 minutes, Sumner’s average trip to work is above Wisconsin’s towns (22 minutes) and close to U.S. towns (25 minutes).
| Sumner | Wisconsin towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 26 minutes | 22 minutes | 25 minutes |
| Below the poverty line | 7.2% | 6.4% | 9.6% |
Census LEHD 2023 · ACS
Sumner has cold, snowy winters and pleasant summers. Only 8 of the 363 Wisconsin towns we compare have a higher July high than Sumner.
NOAA U.S. Climate Normals, 1991–2020
Expected storm and flood damage is higher than in 67% of U.S. communities. Since 1979, 230 flood insurance claims have been paid out in Sumner.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Sumner tracks Wisconsin closely on all 32 CDC measures. 41% of Sumner adults have obesity.
| Sumner | Wisconsin towns | U.S. towns | |
|---|---|---|---|
| Obesity (CDC PLACES) | 41% | 38% | 35% |
| Frequent mental distress (CDC PLACES) | 15% | 15% | 17% |
| Feel lonely (CDC PLACES) | 30% | 30% | 33% |
| Get no exercise (CDC PLACES) | 28% | 26% | 25% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
1.5 miles of trail in 2 parks and preserves. The trail density in Sumner is 0.1 miles per square mile.
| Sumner | Wisconsin towns | U.S. towns | |
|---|---|---|---|
| Miles of trail per square mile | 0.1 miles per square mile | 0.4 | 0.4 |
| Conserved land | 0.5% | 3.8% | 4.3% |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Altpeter Park | — | 4 |
| 2. Koshkonong Wildlife Area | — | 1 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Museums, parks, gardens and other places to visit around Sumner. Close and well known come first.
25 mi Stadium & arenaCamp Randall Stadium
14 mi State parkAztalan State Park
25 mi Stadium & arenaKohl Center
30 mi TheatreAlpine Valley Music Theatre
25 mi Zoo & aquariumHenry Vilas Zoo
23 mi GardenOlbrich Botanical GardensCamp Randall Stadium: Carol M. Highsmith, Public domain · Aztalan State Park: Joshua Mayer - Flickr user wackybadger, CC BY-SA 2.0 · Kohl Center: Pbrown111 at English Wikipedia, Public domain · Alpine Valley Music Theatre: chad davis, CC BY-SA 2.0 · Henry Vilas Zoo: Corey Coyle, CC BY 3.0 · Olbrich Botanical Gardens: Chief-O at English Wikipedia, Public domain
1 within 15 miles of the center of Sumner
About 1 of every 100 Sumner residents are enrolled in college, against 6 across Wisconsin.
Where Sumner’s working residents go each day. Line width shows the share.
Census LEHD 2023
Town in Wisconsin, United States
Sumner is a town in Jefferson County, Wisconsin, United States. The population was 846 at the 2020 census. The census-designated place of Lake Koshkonong and the unincorporated communities of Busseyville, Carcajou, Glenn Oaks Beach, Koshkonong Manor, and North Shore are located within the town. The community of Blackhawk Island is located partially in the town.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Sumner has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
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