Fond du Lac County Demographics

A map of Fond du Lac County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	89,538	90,150	86.0%	86.6%
Hispanic	7,129	6,717	6.8%	6.4%
Multiracial	3,080	3,125	3.0%	3.0%
Asian	1,917	1,241	1.8%	1.2%
Black	1,768	2,321	1.7%	2.2%
Native American/Other	705	600	0.7%	0.6%

Fond du Lac County, Wisconsin has an estimated population of 104,137, a less than 1% change from the 104,154 recorded in the 2020 Census. The population is 86.0% White, 6.8% Hispanic, 3.0% Multiracial, 1.8% Asian, 1.7% Black, and 0.7% Native American/Other. This demographic dot map shows the population of Fond du Lac County, with one dot drawn for each person counted by the Census, color-coded by race.

Fond du Lac has become slightly more 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 Fond du Lac County, that probability was 24.5% in 2020 and 25.4% in the most recent ACS estimates.

Fond du Lac County is ranked the 16th most populous county in Wisconsin, out of 72 counties. Fond du Lac County was ranked the 16th most populous county in the 2020 Census.

Fond du Lac County's White Population

89,538 residents of Fond du Lac County, or 86.0% of the population, identify as White. The share of White residents in Fond du Lac County is higher than in Wisconsin overall, where 78.6% of the population is White. Fond du Lac County ranks 50th statewide in terms of White residents as a share of the population, out of 72 counties.

Since the 2020 Census, Fond du Lac County's White population has remained roughly the same. White residents' share of Fond du Lac County's population has decreased from 86.6% to 86.0%.

Fond du Lac County is more White than neighboring Winnebago County (84.9% White). Fond du Lac County is less White than neighboring Dodge County (87.3% White), Calumet County (87.5% White), Washington County (90.2% White), and Green Lake County (90.5% White).

Fond du Lac County's Black Population

1,768 residents of Fond du Lac County, or 1.7% of the population, identify as Black. The share of Black residents in Fond du Lac County is slightly lower than in Wisconsin overall, where 5.9% of the population is Black. Fond du Lac County ranks 10th statewide in terms of Black residents as a share of the population, out of 72 counties.

Since the 2020 Census, Fond du Lac County's Black population has declined by an estimated 23.8%. Black residents' share of Fond du Lac County's population has decreased from 2.2% to 1.7%.

Fond du Lac County is more Black than neighboring Calumet County (0.9% Black), Washington County (1.3% Black), and Green Lake County (0.5% Black). Fond du Lac County is less Black than neighboring Winnebago County (2.7% Black), and Dodge County (2.5% Black).

Fond du Lac County's Asian Population

1,917 residents of Fond du Lac County, or 1.8% of the population, identify as Asian. The share of Asian residents in Fond du Lac County is comparable to the share in Wisconsin overall, where 2.9% of the population is Asian. Fond du Lac County ranks 21st statewide in terms of Asian residents as a share of the population, out of 72 counties.

Since the 2020 Census, Fond du Lac County's Asian population has grown by an estimated 54.5%. Asian residents' share of Fond du Lac County's population has increased from 1.2% to 1.8%.

Fond du Lac County is more Asian than neighboring Dodge County (0.5% Asian), Washington County (1.4% Asian), and Green Lake County (1.1% Asian). Fond du Lac County is less Asian than neighboring Winnebago County (3.2% Asian), and Calumet County (2.6% Asian).

Fond du Lac County's Hispanic Population

7,129 residents of Fond du Lac County, or 6.8% of the population, identify as Hispanic. The share of Hispanic residents in Fond du Lac County is comparable to the share in Wisconsin overall, where 8% of the population is Hispanic. Fond du Lac County ranks 13th statewide in terms of Hispanic residents as a share of the population, out of 72 counties.

Since the 2020 Census, Fond du Lac County's Hispanic population has grown by an estimated 6.1%. Hispanic residents' share of Fond du Lac County's population has remained roughly unchanged at 6.8%.

Fond du Lac County is more Hispanic than neighboring Winnebago County (5.1% Hispanic), Dodge County (6.7% Hispanic), Calumet County (5.7% Hispanic), Washington County (3.8% Hispanic), and Green Lake County (5.6% Hispanic).

Fond du Lac County's Native American/Other Population

705 residents of Fond du Lac County, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Fond du Lac County is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Fond du Lac County ranks 49th statewide in terms of Native American/Other residents as a share of the population, out of 72 counties.

Since the 2020 Census, Fond du Lac County's Native American/Other population has grown by an estimated 17.5%. Native American/Other residents' share of Fond du Lac County's population has remained roughly unchanged at 0.7%.

Fond du Lac County is more Native American/Other than neighboring Dodge County (0.5% Native American/Other), Calumet County (0.5% Native American/Other), and Washington County (0.4% Native American/Other).

Fond du Lac County's Multiracial Population

3,080 residents of Fond du Lac County, or 3.0% of the population, identify as Multiracial. The share of Multiracial residents in Fond du Lac County is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Fond du Lac County ranks 39th statewide in terms of Multiracial residents as a share of the population, out of 72 counties.

Since the 2020 Census, Fond du Lac County's Multiracial population has declined by an estimated 1.4%. Multiracial residents' share of Fond du Lac County's population has remained roughly unchanged at 3.0%.

Fond du Lac County is more Multiracial than neighboring Dodge County (2.5% Multiracial), Calumet County (2.7% Multiracial), Washington County (2.9% Multiracial), and Green Lake County (1.6% Multiracial). Fond du Lac County is less Multiracial than neighboring Winnebago County (3.4% 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.