Ozaukee County Demographics

A map of Ozaukee County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	82,881	81,410	89.2%	89.0%
Hispanic	3,470	3,098	3.7%	3.4%
Multiracial	2,833	2,705	3.0%	3.0%
Asian	2,028	2,283	2.2%	2.5%
Black	1,368	1,483	1.5%	1.6%
Native American/Other	386	524	0.4%	0.6%

Ozaukee County, Wisconsin has an estimated population of 92,966, a slight increase from the 91,503 recorded in the 2020 Census. The population is 89.2% White, 3.7% Hispanic, 3.0% Multiracial, 2.2% Asian, 1.5% Black, and 0.4% Native American/Other. This demographic dot map shows the population of Ozaukee County, with one dot drawn for each person counted by the Census, color-coded by race.

Ozaukee 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 Ozaukee County, that probability was 20.5% in 2020 and 20.2% in the most recent ACS estimates.

Ozaukee County is ranked the 18th most populous county in Wisconsin, out of 72 counties. Ozaukee County was ranked the 18th most populous county in the 2020 Census.

Ozaukee County's White Population

82,881 residents of Ozaukee County, or 89.2% of the population, identify as White. The share of White residents in Ozaukee County is considerably higher than in Wisconsin overall, where 78.6% of the population is White. Ozaukee County ranks 38th statewide in terms of White residents as a share of the population, out of 72 counties.

Since the 2020 Census, Ozaukee County's White population has grown by an estimated 1.8%. White residents' share of Ozaukee County's population has remained roughly unchanged at 89.2%.

Ozaukee County is more White than neighboring Milwaukee County (48.1% White), Sheboygan County (80.8% White), Racine County (68.6% White), and Manitowoc County (87.3% White). Ozaukee County is less White than neighboring Washington County (90.2% White).

Ozaukee County's Black Population

1,368 residents of Ozaukee County, or 1.5% of the population, identify as Black. The share of Black residents in Ozaukee County is slightly lower than in Wisconsin overall, where 5.9% of the population is Black. Ozaukee County ranks 17th statewide in terms of Black residents as a share of the population, out of 72 counties.

Since the 2020 Census, Ozaukee County's Black population has declined by an estimated 7.8%. Black residents' share of Ozaukee County's population has remained roughly unchanged at 1.5%.

Ozaukee County is more Black than neighboring Washington County (1.3% Black), and Manitowoc County (0.8% Black). Ozaukee County is less Black than neighboring Milwaukee County (25.4% Black), Sheboygan County (2.1% Black), and Racine County (10.3% Black).

Ozaukee County's Asian Population

2,028 residents of Ozaukee County, or 2.2% of the population, identify as Asian. The share of Asian residents in Ozaukee County is comparable to the share in Wisconsin overall, where 2.9% of the population is Asian. Ozaukee County ranks 14th statewide in terms of Asian residents as a share of the population, out of 72 counties.

Since the 2020 Census, Ozaukee County's Asian population has declined by an estimated 11.2%. Asian residents' share of Ozaukee County's population has remained roughly unchanged at 2.2%.

Ozaukee County is more Asian than neighboring Racine County (1.1% Asian), and Washington County (1.4% Asian). Ozaukee County is less Asian than neighboring Milwaukee County (4.8% Asian), Sheboygan County (5.8% Asian), and Manitowoc County (2.4% Asian).

Ozaukee County's Hispanic Population

3,470 residents of Ozaukee County, or 3.7% of the population, identify as Hispanic. The share of Hispanic residents in Ozaukee County is slightly lower than in Wisconsin overall, where 8% of the population is Hispanic. Ozaukee County ranks 32nd statewide in terms of Hispanic residents as a share of the population, out of 72 counties.

Since the 2020 Census, Ozaukee County's Hispanic population has grown by an estimated 12.0%. Hispanic residents' share of Ozaukee County's population has remained roughly unchanged at 3.7%.

Ozaukee County is less Hispanic than neighboring Milwaukee County (17% Hispanic), Sheboygan County (7.8% Hispanic), Racine County (15.1% Hispanic), Washington County (3.8% Hispanic), and Manitowoc County (5.5% Hispanic).

Ozaukee County's Native American/Other Population

386 residents of Ozaukee 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 Ozaukee County is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Ozaukee County ranks 50th statewide in terms of Native American/Other residents as a share of the population, out of 72 counties.

Since the 2020 Census, Ozaukee County's Native American/Other population has declined by an estimated 26.3%. Native American/Other residents' share of Ozaukee County's population has remained roughly unchanged at 0.4%.

Ozaukee County is less Native American/Other than neighboring Milwaukee County (0.7% Native American/Other), Sheboygan County (0.5% Native American/Other), Racine County (0.6% Native American/Other), and Manitowoc County (0.7% Native American/Other).

Ozaukee County's Multiracial Population

2,833 residents of Ozaukee County, or 3.0% of the population, identify as Multiracial. The share of Multiracial residents in Ozaukee County is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Ozaukee County ranks 42nd statewide in terms of Multiracial residents as a share of the population, out of 72 counties.

Since the 2020 Census, Ozaukee County's Multiracial population has grown by an estimated 4.7%. Multiracial residents' share of Ozaukee County's population has remained roughly unchanged at 3.0%.

Ozaukee County is more Multiracial than neighboring Washington County (2.9% Multiracial). Ozaukee County is less Multiracial than neighboring Milwaukee County (4.1% Multiracial), Sheboygan County (3.1% Multiracial), Racine County (4.2% Multiracial), and Manitowoc 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.