Dunn County Demographics

A map of Dunn County's Population by Race

Dunn County, Wisconsin has an estimated population of 45,527, a less than 1% change from the 45,440 recorded in the 2020 Census. The population is 90.5% White, 3.1% Asian, 2.6% Multiracial, 2.5% Hispanic, 0.9% Black, and 0.5% Native American/Other. This demographic dot map shows the population of Dunn County, with one dot drawn for each person counted by the Census, color-coded by race.

Dunn 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 Dunn County, that probability was 18.7% in 2020 and 17.9% in the most recent ACS estimates.

Dunn County is ranked the 33rd most populous county in Wisconsin, out of 72 counties. Dunn County was ranked the 32nd most populous county in the 2020 Census.

Dunn County's White Population

41,189 residents of Dunn County, or 90.5% of the population, identify as White. The share of White residents in Dunn County is considerably higher than in Wisconsin overall, where 78.6% of the population is White. Dunn County ranks 35th statewide in terms of White residents as a share of the population, out of 72 counties.

Since the 2020 Census, Dunn County's White population has remained roughly the same. White residents' share of Dunn County's population has increased from 90.0% to 90.5%.

Dunn County is less White than neighboring Pepin County (94.1% White), Barron County (90.8% White), St. Croix County (91.4% White), Pierce County (91.3% White), and Buffalo County (93.6% White).

Dunn County's Black Population

397 residents of Dunn County, or 0.9% of the population, identify as Black. The share of Black residents in Dunn County is slightly lower than in Wisconsin overall, where 5.9% of the population is Black. Dunn County ranks 34th statewide in terms of Black residents as a share of the population, out of 72 counties.

Since the 2020 Census, Dunn County's Black population has grown by an estimated 2.3%. Black residents' share of Dunn County's population has remained roughly unchanged at 0.9%.

Dunn County is more Black than neighboring Pepin County (0.4% Black), St. Croix County (0.7% Black), Pierce County (0.6% Black), and Buffalo County (0.4% Black). Dunn County is less Black than neighboring Barron County (1.3% Black).

Dunn County's Asian Population

1,402 residents of Dunn County, or 3.1% of the population, identify as Asian. The share of Asian residents in Dunn County is comparable to the share in Wisconsin overall, where 2.9% of the population is Asian. Dunn County ranks 11th statewide in terms of Asian residents as a share of the population, out of 72 counties.

Since the 2020 Census, Dunn County's Asian population has declined by an estimated 3.4%. Asian residents' share of Dunn County's population has remained roughly unchanged at 3.1%.

Dunn County is more Asian than neighboring Pepin County (0.6% Asian), Barron County (0.6% Asian), St. Croix County (1.1% Asian), Pierce County (1.2% Asian), and Buffalo County (0.2% Asian).

Dunn County's Hispanic Population

1,124 residents of Dunn County, or 2.5% of the population, identify as Hispanic. The share of Hispanic residents in Dunn County is lower than in Wisconsin overall, where 8% of the population is Hispanic. Dunn County ranks 52nd statewide in terms of Hispanic residents as a share of the population, out of 72 counties.

Since the 2020 Census, Dunn County's Hispanic population has grown by an estimated 8.6%. Hispanic residents' share of Dunn County's population has remained roughly unchanged at 2.5%.

Dunn County is less Hispanic than neighboring Pepin County (2.7% Hispanic), Barron County (3.2% Hispanic), St. Croix County (3.1% Hispanic), Pierce County (3% Hispanic), and Buffalo County (2.9% Hispanic).

Dunn County's Native American/Other Population

224 residents of Dunn County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Dunn County is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Dunn County ranks 53rd statewide in terms of Native American/Other residents as a share of the population, out of 72 counties.

Since the 2020 Census, Dunn County's Native American/Other population has declined by an estimated 13.2%. Native American/Other residents' share of Dunn County's population has remained roughly unchanged at 0.5%.

Dunn County is more Native American/Other than neighboring Buffalo County (0.3% Native American/Other). Dunn County is less Native American/Other than neighboring Pepin County (0.6% Native American/Other), and Barron County (0.6% Native American/Other).

Dunn County's Multiracial Population

1,191 residents of Dunn County, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Dunn County is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Dunn County ranks 34th statewide in terms of Multiracial residents as a share of the population, out of 72 counties.

Since the 2020 Census, Dunn County's Multiracial population has declined by an estimated 14.7%. Multiracial residents' share of Dunn County's population has decreased from 3.1% to 2.6%.

Dunn County is more Multiracial than neighboring Pepin County (1.6% Multiracial). Dunn County is less Multiracial than neighboring Barron County (3.4% Multiracial), St. Croix County (3.3% Multiracial), and Pierce 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.