Walworth County Demographics

A map of Walworth County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	87,752	88,104	83.1%	82.7%
Hispanic	12,821	12,550	12.1%	11.8%
Multiracial	2,956	3,149	2.8%	3.0%
Asian	885	1,002	0.8%	0.9%
Black	783	1,166	0.7%	1.1%
Native American/Other	460	507	0.4%	0.5%

Walworth County, Wisconsin has an estimated population of 105,657, a less than 1% change from the 106,478 recorded in the 2020 Census. The population is 83.1% White, 12.1% Hispanic, 2.8% Multiracial, 0.8% Asian, 0.7% Black, and 0.4% Native American/Other. This demographic dot map shows the population of Walworth County, with one dot drawn for each person counted by the Census, color-coded by race.

Walworth has become slightly less racially diverse since the 2020 Census. It is considerably less diverse than Wisconsin overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Walworth County, that probability was 30.0% in 2020 and 29.5% in the most recent ACS estimates.

Walworth County is ranked the 15th most populous county in Wisconsin, out of 72 counties. Walworth County was ranked the 14th most populous county in the 2020 Census.

Walworth County's White Population

87,752 residents of Walworth County, or 83.1% of the population, identify as White. The share of White residents in Walworth County is slightly higher than in Wisconsin overall, where 78.6% of the population is White. Walworth County ranks 61st statewide in terms of White residents as a share of the population, out of 72 counties.

Since the 2020 Census, Walworth County's White population has remained roughly the same. White residents' share of Walworth County's population has remained roughly unchanged at 83.1%.

Walworth County is more White than neighboring McHenry County (76.1% White), Boone County (68% White), and Rock County (79.6% White). Walworth County is less White than neighboring Waukesha County (85% White), and Jefferson County (87% White).

Walworth County's Black Population

783 residents of Walworth County, or 0.7% of the population, identify as Black. The share of Black residents in Walworth County is lower than in Wisconsin overall, where 5.9% of the population is Black. Walworth County ranks 30th statewide in terms of Black residents as a share of the population, out of 72 counties.

Since the 2020 Census, Walworth County's Black population has declined by an estimated 32.8%. Black residents' share of Walworth County's population has remained roughly unchanged at 0.7%.

Walworth County is less Black than neighboring McHenry County (1.4% Black), Waukesha County (1.5% Black), Jefferson County (0.9% Black), Boone County (2.3% Black), and Rock County (4.6% Black).

Walworth County's Asian Population

885 residents of Walworth County, or 0.8% of the population, identify as Asian. The share of Asian residents in Walworth County is slightly lower than in Wisconsin overall, where 2.9% of the population is Asian. Walworth County ranks 24th statewide in terms of Asian residents as a share of the population, out of 72 counties.

Since the 2020 Census, Walworth County's Asian population has declined by an estimated 11.7%. Asian residents' share of Walworth County's population has remained roughly unchanged at 0.8%.

Walworth County is more Asian than neighboring Jefferson County (0.6% Asian). Walworth County is less Asian than neighboring McHenry County (3% Asian), Waukesha County (3.9% Asian), Boone County (1% Asian), and Rock County (1.1% Asian).

Walworth County's Hispanic Population

12,821 residents of Walworth County, or 12.1% of the population, identify as Hispanic. The share of Hispanic residents in Walworth County is slightly higher than in Wisconsin overall, where 8% of the population is Hispanic. Walworth County ranks 5th statewide in terms of Hispanic residents as a share of the population, out of 72 counties.

Since the 2020 Census, Walworth County's Hispanic population has grown by an estimated 2.2%. Hispanic residents' share of Walworth County's population has remained roughly unchanged at 12.1%.

Walworth County is more Hispanic than neighboring Waukesha County (5.7% Hispanic), Jefferson County (8.5% Hispanic), and Rock County (10.1% Hispanic). Walworth County is less Hispanic than neighboring McHenry County (16.1% Hispanic), and Boone County (25.6% Hispanic).

Walworth County's Native American/Other Population

460 residents of Walworth County, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Walworth County is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Walworth County ranks 61st statewide in terms of Native American/Other residents as a share of the population, out of 72 counties.

Since the 2020 Census, Walworth County's Native American/Other population has declined by an estimated 9.3%. Native American/Other residents' share of Walworth County's population has remained roughly unchanged at 0.4%.

Walworth County is more Native American/Other than neighboring McHenry County (0.3% Native American/Other), Jefferson County (0.3% Native American/Other), and Rock County (0.3% Native American/Other). Walworth County is less Native American/Other than neighboring Waukesha County (0.6% Native American/Other).

Walworth County's Multiracial Population

2,956 residents of Walworth County, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Walworth County is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Walworth County ranks 41st statewide in terms of Multiracial residents as a share of the population, out of 72 counties.

Since the 2020 Census, Walworth County's Multiracial population has declined by an estimated 6.1%. Multiracial residents' share of Walworth County's population has remained roughly unchanged at 2.8%.

Walworth County is more Multiracial than neighboring Jefferson County (2.7% Multiracial). Walworth County is less Multiracial than neighboring McHenry County (3.2% Multiracial), Waukesha County (3.2% Multiracial), and Rock County (4.2% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.