• county
  • FIPS 55127
  • Largest town: Whitewater

Walworth County, Wisconsin

Walworth County had 106,029 residents in the Census Vintage 2024 estimate, on 555.4 square miles of land. It ranks 15th of 72 in Wisconsin by population and 54th by land area.

Population
106,029
#15 of 72 in Wisconsin · #594 in US
Area
555.4 sq mi
#54 of 72 in Wisconsin · #1,870 in US
Density
191 / sq mi
#14 of 72 in Wisconsin · #578 in US
Median household income
$76,573
#17 of 72 in Wisconsin · #599 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Walworth County within Wisconsin. Pin: Madison.

Walworth County population, land area and income

Walworth County had 106,029 residents in the Census Vintage 2024 estimate, on 555.4 square miles of land. It ranks 15th of 72 in Wisconsin by population and 54th by land area. That works out to 190.9 people per square mile, 2.0 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Wisconsin has 41,821 residents, so Walworth County is 2.5 times that size.

Its SAIPE 2023 median household income of $76,573 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

106,029

3144th1st

594th of 3,144 (US)

Land area

555 sq mi

3144th1st

1870th of 3,144 (US)

Density

190.9 / sq mi

3144th1st

578th of 3,144 (US)

Median household income

$76,573

3143rd1st

599th of 3,143 (US)

Rank within Wisconsin (72)

Population

106,029

72nd1st

15th of 72 (WI)

Land area

555 sq mi

72nd1st

54th of 72 (WI)

Density

190.9 / sq mi

72nd1st

14th of 72 (WI)

Median household income

$76,573

72nd1st

17th of 72 (WI)

How Walworth County's population changed since 2020

Walworth County gained 719 residents between the July 2020 and July 2024 estimates, a rise of 0.7%. That ranks 44th of 72 in Wisconsin for growth. The median Wisconsin county changed by +1.0%, and the state as a whole by +1.1%.

Since the April 2020 estimates base, Walworth County recorded 3,823 births and 4,588 deaths, a natural change of -765. Net international migration added +650 and net domestic migration, people moving to or from other US counties, came to +882. The largest single component was domestic migration, which added 882 people.

105.3k2020105.2k2021105.7k2022106.0k2023106.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
3,823
Deaths
4,588
Net international migration
+650
Net domestic migration
+882
Change, July 2023 to July 2024
+21

Where Walworth County is

The Census internal point of Walworth County is at 42.668100, -88.541700. It sits in UTM zone 16N. The map shades Wisconsin's 72 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Walworth County outlined. Dots are towns of 1,000+ people with residents in it.

Barron County: +0.2%Green County: +0.4%Dunn County: +1.5%Jefferson County: +0.0%Lincoln County: +0.1%Rusk County: -0.1%Fond du Lac County: +0.1%Marquette County: +1.0%Outagamie County: +2.3%Waupaca County: -1.2%Oneida County: +0.8%Eau Claire County: +2.8%Washington County: +1.4%Portage County: +2.3%Menominee County: +0.7%Clark County: +0.5%Monroe County: +0.2%Milwaukee County: -1.5%Buffalo County: +1.1%Lafayette County: +4.2%Ozaukee County: +2.5%Rock County: +1.0%Sheboygan County: +0.2%Green Lake County: +1.8%Waukesha County: +2.3%Calumet County: +2.1%Dodge County: -0.8%Wood County: -0.3%Winnebago County: +0.9%Sawyer County: +4.0%Dane County: +4.6%Sauk County: +1.1%Pepin County: +2.9%Adams County: +3.2%Price County: +0.4%Taylor County: +1.1%Grant County: +0.7%Trempealeau County: -0.0%Vernon County: +2.1%Waushara County: +2.2%Iowa County: +1.0%Crawford County: -0.5%Kenosha County: -0.3%Shawano County: +1.1%Juneau County: -0.7%Jackson County: -0.3%Vilas County: +3.7%Bayfield County: +3.7%Chippewa County: +1.5%Iron County: +1.5%Racine County: +0.3%Door County: +1.3%Ashland County: +1.1%Kewaunee County: +0.9%Polk County: +1.8%Florence County: +2.4%Douglas County: -0.2%Forest County: +3.7%Columbia County: -0.7%Walworth County: +0.7%La Crosse County: +0.1%Manitowoc County: +0.1%Oconto County: +2.5%Langlade County: +0.4%Marathon County: +0.7%Washburn County: +2.2%Brown County: +1.8%Richland County: -0.9%Marinette County: +1.1%St. Croix County: +4.3%Pierce County: +2.7%Burnett County: +3.7%
Change 2020 to 2024
  1. < +0.1%
  2. < +0.7%
  3. < +1.3%
  4. < +2.3%
  5. ≥ +2.3%
no data

Orange pin: Walworth County internal point. Dark pin: Madison.

Internal point

Decimal
42.668100, -88.541700
DMS
42°40'5.16"N 88°32'30.12"W
UTM
16N 373663.1E 4725111.1N
Geohash
dp949pmzs
Plus code
86JHMF95+68

Towns in Walworth County

13 incorporated places of 1,000+ people have residents in Walworth County, 63,030 people together, or 59% of the county. Each figure counts only the part of the town inside Walworth County; towns marked "part" extend into another county. The largest is Whitewater with 11,594.

  1. 01Whitewater (part)11,594
  2. 02Elkhorn10,122
  3. 03Delavan9,055
  4. 04Lake Geneva8,691
  5. 05East Troy5,011
  6. 06Bloomfield4,766
  7. 07Williams Bay2,961
  8. 08Genoa City (part)2,901
  9. 09Walworth2,757
  10. 10Fontana-on-Geneva Lake1,861
  11. 11Sharon1,553
  12. 12Darien1,540
  13. 13Mukwonago (part)218
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Walworth County

The Census 2024 county adjacency file lists 7 neighbors for Walworth County, including 2 across a state line. The most populous is Waukesha County, WI, with 417,029 residents. Distances run between Census internal points in a straight line.

Distance to Madison and the nearest big city

Madison is 51.1 miles WNW of Walworth County's internal point in a straight line. The nearest place of 100,000 or more is Rockford, IL (population 147,486), 38.8 miles away. The nearest place of 10,000 or more is Elkhorn, WI (population 10,122), 0.4 miles away.

Walworth County FIPS code

The FIPS code of Walworth County is 55127: state code 55 for Wisconsin plus county code 127. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $76,573.

Questions people ask

What is the population of Walworth County, Wisconsin?

The Census Vintage 2024 estimate for July 1, 2024 is 106,029. That is up 719 people (0.7%) from the July 2020 estimate of 105,310.

What is the FIPS code of Walworth County?

55127. The first two digits (55) are Wisconsin; the last three (127) identify the county.

What is the largest town in Walworth County?

Whitewater, with 11,594 residents inside Walworth County in 2024 (16,076 across all 2 counties it spans).

Which counties border Walworth County?

7 county-equivalents border it in the Census 2024 adjacency file: Waukesha County, WI; McHenry County, IL; Racine County, WI; Kenosha County, WI; Rock County, WI; Jefferson County, WI; Boone County, IL.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.