Oneida County Demographics

A map of Oneida County's Population by Race

Oneida County, Wisconsin has an estimated population of 38,167, a less than 1% change from the 37,845 recorded in the 2020 Census. The population is 93.4% White, 3.1% Multiracial, 1.7% Hispanic, 0.9% Native American/Other, 0.5% Black, and 0.5% Asian. This demographic dot map shows the population of Oneida County, with one dot drawn for each person counted by the Census, color-coded by race.

Oneida is about as racially diverse as it was in 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 Oneida County, that probability was 13.1% in 2020 and 12.7% in the most recent ACS estimates.

Oneida County is ranked the 39th most populous county in Wisconsin, out of 72 counties. Oneida County was ranked the 39th most populous county in the 2020 Census.

Oneida County's White Population

35,631 residents of Oneida County, or 93.4% of the population, identify as White. The share of White residents in Oneida County is considerably higher than in Wisconsin overall, where 78.6% of the population is White. Oneida County ranks 12th statewide in terms of White residents as a share of the population, out of 72 counties.

Since the 2020 Census, Oneida County's White population has grown by an estimated 1.0%. White residents' share of Oneida County's population has remained roughly unchanged at 93.4%.

Oneida County is more White than neighboring Vilas County (84.8% White), Lincoln County (93% White), Langlade County (91.5% White), Forest County (77.7% White), and Gogebic County (90.5% White).

Oneida County's Black Population

183 residents of Oneida County, or 0.5% of the population, identify as Black. The share of Black residents in Oneida County is lower than in Wisconsin overall, where 5.9% of the population is Black. Oneida County ranks 42nd statewide in terms of Black residents as a share of the population, out of 72 counties.

Since the 2020 Census, Oneida County's Black population has declined by an estimated 10.7%. Black residents' share of Oneida County's population has remained roughly unchanged at 0.5%.

Oneida County is more Black than neighboring Vilas County (0.3% Black), Langlade County (0.4% Black), Forest County (0.4% Black), and Gogebic County (0.4% Black).

Oneida County's Asian Population

178 residents of Oneida County, or 0.5% of the population, identify as Asian. The share of Asian residents in Oneida County is slightly lower than in Wisconsin overall, where 2.9% of the population is Asian. Oneida County ranks 38th statewide in terms of Asian residents as a share of the population, out of 72 counties.

Since the 2020 Census, Oneida County's Asian population has declined by an estimated 8.7%. Asian residents' share of Oneida County's population has remained roughly unchanged at 0.5%.

Oneida County is more Asian than neighboring Vilas County (0.4% Asian), Lincoln County (0.4% Asian), Langlade County (0.2% Asian), and Forest County (0.1% Asian). Oneida County is less Asian than neighboring Gogebic County (0.6% Asian).

Oneida County's Hispanic Population

654 residents of Oneida County, or 1.7% of the population, identify as Hispanic. The share of Hispanic residents in Oneida County is lower than in Wisconsin overall, where 8% of the population is Hispanic. Oneida County ranks 68th statewide in terms of Hispanic residents as a share of the population, out of 72 counties.

Since the 2020 Census, Oneida County's Hispanic population has grown by an estimated 13.7%. Hispanic residents' share of Oneida County's population has remained roughly unchanged at 1.7%.

Oneida County is less Hispanic than neighboring Vilas County (2.3% Hispanic), Lincoln County (2.3% Hispanic), Langlade County (2.5% Hispanic), Forest County (2.2% Hispanic), and Gogebic County (2% Hispanic).

Oneida County's Native American/Other Population

349 residents of Oneida County, or 0.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Oneida County is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Oneida County ranks 15th statewide in terms of Native American/Other residents as a share of the population, out of 72 counties.

Since the 2020 Census, Oneida County's Native American/Other population has declined by an estimated 39.4%. Native American/Other residents' share of Oneida County's population has decreased from 1.5% to 0.9%.

Oneida County is more Native American/Other than neighboring Lincoln County (0.7% Native American/Other), and Langlade County (0.7% Native American/Other). Oneida County is less Native American/Other than neighboring Vilas County (8.3% Native American/Other), Forest County (12.1% Native American/Other), and Gogebic County (2.7% Native American/Other).

Oneida County's Multiracial Population

1,172 residents of Oneida County, or 3.1% of the population, identify as Multiracial. The share of Multiracial residents in Oneida County is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Oneida County ranks 54th statewide in terms of Multiracial residents as a share of the population, out of 72 counties.

Since the 2020 Census, Oneida County's Multiracial population has grown by an estimated 13.8%. Multiracial residents' share of Oneida County's population has remained roughly unchanged at 3.1%.

Oneida County is less Multiracial than neighboring Vilas County (3.9% Multiracial), Langlade County (4.7% Multiracial), Forest County (7.5% Multiracial), and Gogebic County (3.8% 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.