Germantown, WI Demographics

A map of Germantown's Population by Race

Germantown, Wisconsin has an estimated population of 20,962, a less than 1% change from the 20,917 recorded in the 2020 Census. The population is 84.2% White, 5.6% Asian, 3.7% Black, 3.1% Hispanic, 3.1% Multiracial, and 0.3% Native American/Other. This demographic dot map shows the population of Germantown, with one dot drawn for each person counted by the Census, color-coded by race.

Germantown has become 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 Germantown, that probability was 26.0% in 2020 and 28.5% in the most recent ACS estimates.

Germantown is ranked the 40th 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). Germantown was ranked the 39th most populous place in the 2020 Census.

Germantown's White Population

17,645 residents of Germantown, or 84.2% of the population, identify as White. The share of White residents in Germantown is higher than in Wisconsin overall, where 78.6% of the population is White. Germantown ranks 625th statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Germantown's White population has declined by an estimated 1.6%. White residents' share of Germantown's population has decreased from 85.8% to 84.2%.

Germantown is more White than neighboring Menomonee Falls (82.4% White), and Butler (81.3% White). Germantown is less White than neighboring Lannon (88.3% White), Jackson (93.1% White), and Richfield (95.9% White).

Germantown's Black Population

778 residents of Germantown, or 3.7% of the population, identify as Black. The share of Black residents in Germantown is slightly lower than in Wisconsin overall, where 5.9% of the population is Black. Germantown ranks 54th statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Germantown's Black population has grown by an estimated 22.7%. Black residents' share of Germantown's population has increased from 3.0% to 3.7%.

Germantown is more Black than neighboring Menomonee Falls (3.6% Black), Lannon (0.5% Black), Jackson (0.3% Black), and Richfield (0% Black). Germantown is less Black than neighboring Butler (5.4% Black).

Germantown's Asian Population

1,177 residents of Germantown, or 5.6% of the population, identify as Asian. The share of Asian residents in Germantown is slightly higher than in Wisconsin overall, where 2.9% of the population is Asian. Germantown ranks 46th statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Germantown's Asian population has grown by an estimated 31.5%. Asian residents' share of Germantown's population has increased from 4.3% to 5.6%.

Germantown is more Asian than neighboring Lannon (5.2% Asian), Jackson (0.2% Asian), and Richfield (1.1% Asian). Germantown is less Asian than neighboring Butler (6.5% Asian).

Germantown's Hispanic Population

647 residents of Germantown, or 3.1% of the population, identify as Hispanic. The share of Hispanic residents in Germantown is slightly lower than in Wisconsin overall, where 8% of the population is Hispanic. Germantown ranks 384th statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Germantown's Hispanic population has declined by an estimated 2.0%. Hispanic residents' share of Germantown's population has remained roughly unchanged at 3.1%.

Germantown is more Hispanic than neighboring Lannon (1.2% Hispanic), and Richfield (0.7% Hispanic). Germantown is less Hispanic than neighboring Menomonee Falls (4.8% Hispanic), Jackson (3.5% Hispanic), and Butler (4.2% Hispanic).

Germantown's Native American/Other Population

62 residents of Germantown, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Germantown is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Germantown ranks 480th statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

Since the 2020 Census, Germantown's Native American/Other population has declined by an estimated 39.2%. Native American/Other residents' share of Germantown's population has remained roughly unchanged at 0.3%.

Germantown is more Native American/Other than neighboring Butler (0.2% Native American/Other). Germantown is less Native American/Other than neighboring Menomonee Falls (0.8% Native American/Other), Lannon (4.3% Native American/Other), and Jackson (1.3% Native American/Other).

Germantown's Multiracial Population

653 residents of Germantown, or 3.1% of the population, identify as Multiracial. The share of Multiracial residents in Germantown is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Germantown ranks 358th statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Germantown's Multiracial population has declined by an estimated 4.9%. Multiracial residents' share of Germantown's population has remained roughly unchanged at 3.1%.

Germantown is more Multiracial than neighboring Menomonee Falls (2.8% Multiracial), Lannon (0.5% Multiracial), Jackson (1.6% Multiracial), Richfield (1.9% Multiracial), and Butler (2.4% 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.