Delavan City is a city in Walworth County, Wisconsin, home to about 8,689 people across 7.0 square miles. Its ZIP code is 53115.
Homes sold for a median of $234 per square foot in the three months ending August 2026, a seller’s market.
Mostly Delavan City; also Delavan Town and Richmond Town (Walworth County)
Each card is that ZIP code’s whole market, including any part outside Delavan City. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | General Mitchell International Airport (MKE)43 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)38 miles away |
| Nearest city of 250,000+ | Milwaukee, WI45 miles away |
| Nearest city of 1 million+ | Chicago, IL73 miles away |
Straight-line distances from the center of Delavan City; 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.
Delavan City had 8,505 residents in the 2020 census, up 7% since 2000.
It’s the 115th 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 83°F in summer, and winter lows average 13°F. About 36.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Delavan Wwtp, WI weather station (2 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).
69 doctors and other health care providers list an office in Delavan City.
Nearest hospitals
Providers with an office here
| Primary care doctors | 12 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 11 |
| Nurse practitioners and physician assistants | 6 |
| Mental health providers | 4 |
| Physical and occupational therapists | 20 |
| Optometrists | 6 |
| Chiropractors | 8 |
| Pharmacies | 3 |
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 (16 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries
Theaters and performance venues (1 nearby)
Counts are within about 2 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 Delavan-Darien School District, Wisconsin Dept of Public Instruction. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Turtle Creek ElementaryDelavan | Pre-K–2 | 371 | Public | 2.2 mi |
| Wisconsin School for the DeafDelavan | Pre-K–12 | — | Special Education | 1.6 mi |
| Phoenix MiddleDelavan | 5–8 | 474 | Public | 1.8 mi |
| Delavan Darien Technical School IncDelavan | 9–12 | 93 | Charter, Career and Technical | 1.8 mi |
| Delavan-Darien HighDelavan | 9–12 | 511 | Public | 1.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Delavan Christian SchoolDelavan | Pre-K–8 | 77 | Christian (no specific denomination) | 1.0 mi |
| Our Redeemer Lutheran SchoolDelavan | Pre-K–8 | 76 | Lutheran Church–Missouri Synod | 1.6 mi |
| St Andrew Parish SchoolDelavan | Pre-K–8 | 127 | Roman Catholic | 0.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Delavan Town, Richmond Town (Walworth County) and Darien Town.
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.