Williams Bay is a village in Walworth County, Wisconsin, home to about 2,981 people across 2.8 square miles. Its ZIP code is 53191.
Homes sold for a median of $282 per square foot in the three months ending August 2026, a balanced market.
Mostly Williams Bay; also Delavan Town and Geneva
Each card is that ZIP code’s whole market, including any part outside Williams Bay. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Williams Bay’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | General Mitchell International Airport (MKE)42 miles away |
|---|---|
| Nearest city of 250,000+ | Milwaukee, WI45 miles away |
| Nearest city of 1 million+ | Chicago, IL67 miles away |
Straight-line distances from the center of Williams Bay; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Williams Bay had 2,953 residents in the 2020 census, up 22% since 2000.
It’s the 319th largest of 1,889 towns in Wisconsin by population.
Walworth County grew from 29,259 residents in 1900 to 106,478 in 2020.
Walworth County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 15°F. About 37 inches of rain and melted snow fall in a typical year, with about 40 inches of snow.
Source: NOAA 1991–2020 climate normals, Lake Geneva Wwtp, WI weather station (6 miles away).
39,077 jobs at 2,829 businesses in Walworth County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
28 doctors and other health care providers list an office in Williams Bay.
Nearest hospitals
Providers with an office here
| Specialist doctors | 1 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 21 |
| Physical and occupational therapists | 3 |
| Chiropractors | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (6 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Museums
Theaters and performance venues
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Williams Bay School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Williams Bay ElementaryWilliams Bay | Pre-K–5 | 282 | Public | 1.0 mi |
| Williams Bay MiddleWilliams Bay | 6–8 | 145 | Public | 1.1 mi |
| Williams Bay HighWilliams Bay | 9–12 | 170 | Public | 1.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Delavan Town and Geneva.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.