Walworth County, Wisconsin
Walworth County, Wisconsin, has 106,127 residents (July 2025 estimate). Its county seat is Elkhorn. It uses Central Time and covers 555 sq mi (1,439 km²) of land.
- Resident population, July 2025
- 106,127
- Land area
- 555 sq mi (1,439 km²)
- County seat or government
- Elkhorn
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $80,520 ± $1,990
- Median home value
- $302,700 ± $7,643
- Median rent, with utilities
- $1,150 ± $34
- Homes lived in by their owners
- 70.6% ± 1.5 points
- County type
- County
- Metro or micro area
- Whitewater-Elkhorn, WI micro areaCentral county
- Water area
- 21.2 sq mi (54.8 km²)
- State
- Wisconsin
- County code (FIPS)
- 55127
- Coordinates (central point)
- 42.668110, -88.541731
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Walworth County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 5310528,751 people
- 5319020,499 people
- 5314919,614 people
- 5314718,638 people
- 5312118,551 people
- 5311516,381 people
- 5312010,848 people
- 531289,030 people
- 531195,803 people
- 531844,169 people
- 535254,066 people
- 531913,261 people
All 18
18 ZIP Code areas overlap Walworth County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Towns in Walworth County, largest first
- Town of Geneva5,440 people
- Town of Delavan5,216 people
- Town of East Troy4,000 people
- Town of Sugar Creek3,886 people
- Town of Lyons3,640 people
- Town of Linn2,710 people
- Town of Troy2,626 people
- Town of La Grange2,565 people
- Town of Bloomfield2,325 people
- Town of Darien1,962 people
- Town of Spring Prairie1,875 people
- Town of Lafayette1,843 people
All 16
- Town of Walworth1,717 people
- Town of Richmond1,680 people
- Town of Whitewater1,179 people
- Town of Sharon942 people
People counts are American Community Survey 2020–2024 5-year estimates. All towns in Wisconsin, by county
School districts in Walworth County, largest first
- Mukwonago School District30,328 people
- Lake Geneva-Genoa City Union High School District26,500 people
- Burlington Area School District23,410 people
- Whitewater School District21,487 people
- Lake Geneva Joint No. 1 School District19,509 people
- Elkhorn Area School District17,360 people
- Delavan-Darien School District16,464 people
- East Troy Community School District12,633 people
- Big Foot Union High School District9,889 people
- Palmyra-Eagle Area School District7,895 people
- Clinton Community School District5,733 people
- Genoa City Joint No. 2 School District4,886 people
All 19
- Williams Bay School District4,233 people
- Walworth Joint No. 1 School District3,909 people
- Fontana Joint No. 8 School District2,686 people
- Sharon Joint No. 11 School District2,110 people
- Linn Joint No. 6 School District1,184 people
- Geneva Joint No. 4 School District1,160 people
- Linn Joint No. 4 School District945 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Whitewater, Wisconsin (city)15,807 people
- Burlington, Wisconsin (city)10,987 people
- Elkhorn, Wisconsin (city)10,221 people
- Delavan, Wisconsin (city)8,689 people
- Lake Geneva, Wisconsin (city)8,521 people
- Mukwonago, Wisconsin (village)8,415 people
- East Troy, Wisconsin (village)4,978 people
- Bloomfield, Wisconsin (village)4,780 people
- Williams Bay, Wisconsin (village)2,981 people
- Genoa City, Wisconsin (village)2,942 people
- Walworth, Wisconsin (village)2,759 people
- Delavan Lake, Wisconsin (CDP)2,757 people
All 25
- Como, Wisconsin (CDP)2,197 people
- Fontana-on-Geneva Lake, Wisconsin (village)1,737 people
- Sharon, Wisconsin (village)1,592 people
- Lauderdale Lakes, Wisconsin (CDP)1,469 people
- Lyons, Wisconsin (CDP)1,196 people
- Darien, Wisconsin (village)1,126 people
- Potter Lake, Wisconsin (CDP)807 people
- Lake Ivanhoe, Wisconsin (CDP)558 people
- Turtle Lake, Wisconsin (CDP)327 people
- Lake Lorraine, Wisconsin (CDP)284 people
- Allens Grove, Wisconsin (CDP)147 people
- Big Foot Prairie, Wisconsin (CDP)136 people
- Springfield, Wisconsin (CDP)100 people
Bordering areas, nearest first
Distances are straight lines between map points.
- McHenry County, Illinois24 mi south
- Jefferson County, Wisconsin27 mi northwest
- Waukesha County, Wisconsin27 mi northeast
- Rock County, Wisconsin27 mi west
- Boone County, Illinois28 mi southwest
- Kenosha County, Wisconsin34 mi east
- Racine County, Wisconsin40 mi east
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county where you are now, check its ZIP area, or check the time zone where you are.
Areas that only touch the edge
These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.