Lake Mills, WI Demographics

A map of Lake Mills's Population by Race

Lake Mills, Wisconsin has an estimated population of 6,470, an increase from the 6,211 recorded in the 2020 Census. The population is 87.9% White, 8.6% Hispanic, 1.9% Multiracial, 1.0% Black, 0.5% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Lake Mills, with one dot drawn for each person counted by the Census, color-coded by race.

Lake Mills 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 Lake Mills, that probability was 19.9% in 2020 and 21.9% in the most recent ACS estimates.

Lake Mills is ranked the 136th 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). Lake Mills was ranked the 134th most populous place in the 2020 Census.

Lake Mills's White Population

5,687 residents of Lake Mills, or 87.9% of the population, identify as White. The share of White residents in Lake Mills is higher than in Wisconsin overall, where 78.6% of the population is White. Lake Mills ranks 498th statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Lake Mills's White population has grown by an estimated 2.6%. White residents' share of Lake Mills's population has decreased from 89.2% to 87.9%.

Lake Mills is more White than neighboring Jefferson (79.5% White), Johnson Creek (85.4% White), and Waterloo (83.4% White). Lake Mills is less White than neighboring Lake Ripley (90.7% White), and Cambridge (94.5% White).

Lake Mills's Black Population

67 residents of Lake Mills, or 1.0% of the population, identify as Black. The share of Black residents in Lake Mills is slightly lower than in Wisconsin overall, where 5.9% of the population is Black. Lake Mills ranks 347th statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Lake Mills's Black population has grown by an estimated 97.1%. Black residents' share of Lake Mills's population has increased from 0.5% to 1.0%.

Lake Mills is more Black than neighboring Waterloo (0% Black), and Cambridge (0% Black). Lake Mills is less Black than neighboring Lake Ripley (1.3% Black), Jefferson (1.2% Black), and Johnson Creek (1.7% Black).

Lake Mills's Asian Population

33 residents of Lake Mills, or 0.5% of the population, identify as Asian. The share of Asian residents in Lake Mills is slightly lower than in Wisconsin overall, where 2.9% of the population is Asian. Lake Mills ranks 279th statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Lake Mills's Asian population has declined by an estimated 29.8%. Asian residents' share of Lake Mills's population has remained roughly unchanged at 0.5%.

Lake Mills is more Asian than neighboring Lake Ripley (0% Asian), Jefferson (0.1% Asian), and Waterloo (0% Asian). Lake Mills is less Asian than neighboring Johnson Creek (4.6% Asian), and Cambridge (1.1% Asian).

Lake Mills's Hispanic Population

558 residents of Lake Mills, or 8.6% of the population, identify as Hispanic. The share of Hispanic residents in Lake Mills is comparable to the share in Wisconsin overall, where 8% of the population is Hispanic. Lake Mills ranks 160th statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Lake Mills's Hispanic population has grown by an estimated 50.0%. Hispanic residents' share of Lake Mills's population has increased from 6.0% to 8.6%.

Lake Mills is more Hispanic than neighboring Lake Ripley (4.1% Hispanic), Johnson Creek (2.4% Hispanic), and Cambridge (2.4% Hispanic). Lake Mills is less Hispanic than neighboring Jefferson (14.6% Hispanic), and Waterloo (16.3% Hispanic).

Lake Mills's Native American/Other Population

0 residents of Lake Mills, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Lake Mills is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Lake Mills ranks 520th statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

Since the 2020 Census, Lake Mills's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Lake Mills's population has remained roughly unchanged at 0.0%.

Lake Mills is less Native American/Other than neighboring Lake Ripley (0.9% Native American/Other), and Jefferson (0.6% Native American/Other).

Lake Mills's Multiracial Population

125 residents of Lake Mills, or 1.9% of the population, identify as Multiracial. The share of Multiracial residents in Lake Mills is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Lake Mills ranks 429th statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Lake Mills's Multiracial population has declined by an estimated 33.9%. Multiracial residents' share of Lake Mills's population has decreased from 3.0% to 1.9%.

Lake Mills is more Multiracial than neighboring Waterloo (0.3% Multiracial). Lake Mills is less Multiracial than neighboring Lake Ripley (3% Multiracial), Jefferson (4% Multiracial), Johnson Creek (5.9% Multiracial), and Cambridge (2.1% 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.