Oak Creek, WI Demographics

A map of Oak Creek's Population by Race

Oak Creek, Wisconsin has an estimated population of 37,325, a slight increase from the 36,497 recorded in the 2020 Census. The population is 73.0% White, 12.2% Hispanic, 6.1% Asian, 4.4% Black, 3.9% Multiracial, and 0.4% Native American/Other. This demographic dot map shows the population of Oak Creek, with one dot drawn for each person counted by the Census, color-coded by race.

Oak Creek has become more racially diverse since the 2020 Census. It is considerably more 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 Oak Creek, that probability was 40.4% in 2020 and 44.5% in the most recent ACS estimates.

Oak Creek is ranked the 22nd most populous place in Wisconsin, out of 808 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Oak Creek was ranked the 23rd most populous place in the 2020 Census.

Oak Creek's White Population

27,264 residents of Oak Creek, or 73.0% of the population, identify as White. The share of White residents in Oak Creek is lower than in Wisconsin overall, where 78.6% of the population is White. Oak Creek ranks 733rd statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Oak Creek's White population has declined by an estimated 1.9%. White residents' share of Oak Creek's population has decreased from 76.2% to 73.0%.

Oak Creek is less White than neighboring South Milwaukee (77.2% White), Cudahy (77.9% White), Caledonia (78.1% White), St. Francis (77.7% White), and Franklin (81.7% White).

Oak Creek's Black Population

1,624 residents of Oak Creek, or 4.4% of the population, identify as Black. The share of Black residents in Oak Creek is comparable to the share in Wisconsin overall, where 5.9% of the population is Black. Oak Creek ranks 44th statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Oak Creek's Black population has grown by an estimated 32.2%. Black residents' share of Oak Creek's population has increased from 3.4% to 4.4%.

Oak Creek is more Black than neighboring South Milwaukee (2.5% Black), Cudahy (2.8% Black), Caledonia (2.4% Black), and Franklin (2.7% Black). Oak Creek is less Black than neighboring St. Francis (6.6% Black).

Oak Creek's Asian Population

2,260 residents of Oak Creek, or 6.1% of the population, identify as Asian. The share of Asian residents in Oak Creek is slightly higher than in Wisconsin overall, where 2.9% of the population is Asian. Oak Creek ranks 15th statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Oak Creek's Asian population has declined by an estimated 9.9%. Asian residents' share of Oak Creek's population has decreased from 6.9% to 6.1%.

Oak Creek is more Asian than neighboring South Milwaukee (1.3% Asian), Cudahy (2% Asian), Caledonia (1.4% Asian), St. Francis (1.4% Asian), and Franklin (5.9% Asian).

Oak Creek's Hispanic Population

4,544 residents of Oak Creek, or 12.2% of the population, identify as Hispanic. The share of Hispanic residents in Oak Creek is slightly higher than in Wisconsin overall, where 8% of the population is Hispanic. Oak Creek ranks 86th statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Oak Creek's Hispanic population has grown by an estimated 31.8%. Hispanic residents' share of Oak Creek's population has increased from 9.4% to 12.2%.

Oak Creek is more Hispanic than neighboring Cudahy (11.4% Hispanic), St. Francis (11.6% Hispanic), and Franklin (6.1% Hispanic).

Oak Creek's Native American/Other Population

162 residents of Oak Creek, 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 Oak Creek is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Oak Creek ranks 349th statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

Since the 2020 Census, Oak Creek's Native American/Other population has declined by an estimated 35.5%. Native American/Other residents' share of Oak Creek's population has remained roughly unchanged at 0.4%.

Oak Creek is less Native American/Other than neighboring South Milwaukee (0.8% Native American/Other), Cudahy (0.7% Native American/Other), Caledonia (1% Native American/Other), St. Francis (0.5% Native American/Other), and Franklin (0.5% Native American/Other).

Oak Creek's Multiracial Population

1,471 residents of Oak Creek, or 3.9% of the population, identify as Multiracial. The share of Multiracial residents in Oak Creek is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Oak Creek ranks 311th statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Oak Creek's Multiracial population has grown by an estimated 16.5%. Multiracial residents' share of Oak Creek's population has remained roughly unchanged at 3.9%.

Oak Creek is more Multiracial than neighboring St. Francis (2.2% Multiracial), and Franklin (3% Multiracial). Oak Creek is less Multiracial than neighboring South Milwaukee (6.1% Multiracial), Cudahy (5.2% Multiracial), and Caledonia (4.9% 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.