Casco is a village in Kewaunee County, Wisconsin, United States. The population was 630 at the 2020 census. It is part of the Green Bay Metropolitan Statistical Area. The village is located within the Town of Casco. Casco is named after Casco Bay on the coast of Maine, the previous home of Edward Decker, an early logger in Kewaunee County.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code54205

Area code920

Living in Casco

Housing in Casco

$306K Median sale price · Redfin, May 2026

The median sale price was $306,000 in May 2026.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Casco

Full picture →

Most working residents leave Casco for work: only 1% work in town. The top destinations are Green Bay (20%), Luxemburg (13%) and Ashwaubenon (5%). Half commute less than 20 miles.

Green Bay

20%

Luxemburg

13%

Ashwaubenon

Kewaunee

1%Work in townlive and work in Casco 20 miWhere do people commute?the commute map 160Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Casco →

Health in Casco

B⁻

Health Grade B−

Healthier than 50% of U.S. towns on seven CDC estimates.

Compared with Wisconsin

4better than WI

of 32 measures CDC estimates. The other 28 are too close to call.

Conditions 4▲ 8 close Habits all close Care all close Mind all close Everyday needs all close

BetterToo close to callWorse

What stands out

7.7%Fewer older adults who have lost all their teethWI 9.9% · better 9.6%Fewer adults with diabetesWI 11.4% · better

Care nearby

Aurora Baycare Medical CtrGreen Bay · 16.8 mi · ER

Freedom HouseGreen Bay · 15.8 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Casco · CMS · HRSAHealth in Casco →

Natural hazards in Casco

Very low

Expected storm and flood damage is higher than in 4% of U.S. communities.

🌊 Inland flooding🥶 Cold waves🌪️ Tornadoes

0Does Casco flood?no paid flood claims on record NoneDisasters that paid out hereof 6 declared for Kewaunee County

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Casco →

Climate in Casco

Full climate →

Casco has cold, snowy winters and pleasant summers. A typical July afternoon reaches 80°, a January night drops to 11°, and about 48 inches of snow falls in a normal winter.

29° / 14°Winter

52° / 32°Spring

77° / 56°Summer

57° / 39°Fall

How much snow does Casco get?About 48 inches a winter.Rain & snow →When is the first frost?Around Oct 18, with the last in spring around May 1.Frost dates →Is it warmer than it used to be?+1.7° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Casco →

Schools in Casco

All Casco schools →

School Grade A

The public schools Casco’s kids attend, from kindergarten through graduation, outperform 90% of Wisconsin’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

Schools1

Holy Trinity SchoolElementary · Grades PK–6 · 32 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within WI. Ratings are from neighbors.