Sumner
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Outdoors in Sumner
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About Sumner
Town in Wisconsin, United StatesSumner 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)
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Work & commute in Sumner
Full picture →Most working residents leave Sumner for work: only 1% work in town. The top destinations are Fort Atkinson (19%), Madison (9%) and Janesville (7%). Half commute less than 19 miles.
Health in Sumner
Compared with Wisconsin
No difference on any of 32 measures is outside the margin of error.
What stands out
Nothing stands out: Sumner tracks Wisconsin closely.
Care nearby
Natural hazards in Sumner
Expected storm and flood damage is higher than in 67% of U.S. communities.
Climate in Sumner
Full climate →Sumner has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 12°, and about 36 inches of snow falls in a normal winter.
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Where Sumner is
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