Janesville, MN Demographics

A map of Janesville's Population by Race

Janesville, Minnesota has an estimated population of 2,378, a slight decrease from the 2,421 recorded in the 2020 Census. The population is 89.9% White, 5.0% Hispanic, 2.8% Multiracial, 1.1% Asian, 0.6% Black, and 0.6% Native American/Other. This demographic dot map shows the population of Janesville, with one dot drawn for each person counted by the Census, color-coded by race.

Janesville has become more racially diverse since the 2020 Census. It is considerably less diverse than Minnesota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Janesville, that probability was 14.8% in 2020 and 18.8% in the most recent ACS estimates.

Janesville is ranked the 241st most populous place in Minnesota, out of 915 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). Janesville was ranked the 234th most populous place in the 2020 Census.

Janesville's White Population

2,139 residents of Janesville, or 89.9% of the population, identify as White. The share of White residents in Janesville is considerably higher than in Minnesota overall, where 75.9% of the population is White. Janesville ranks 317th statewide in terms of White residents as a share of the population, out of 915 places.

Since the 2020 Census, Janesville's White population has declined by an estimated 4.2%. White residents' share of Janesville's population has decreased from 92.2% to 89.9%.

Janesville is more White than neighboring Pemberton (84.3% White), St. Clair (86.5% White), and Waterville (87.9% White). Janesville is less White than neighboring Elysian (97.8% White), and Madison Lake (92.9% White).

Janesville's Black Population

14 residents of Janesville, or 0.6% of the population, identify as Black. The share of Black residents in Janesville is lower than in Minnesota overall, where 6.9% of the population is Black. Janesville ranks 384th statewide in terms of Black residents as a share of the population, out of 915 places.

Since the 2020 Census, Janesville's Black population has remained roughly the same. Black residents' share of Janesville's population has remained roughly unchanged at 0.6%.

Janesville is more Black than neighboring Pemberton (0% Black), and St. Clair (0% Black). Janesville is less Black than neighboring Elysian (1.2% Black), Madison Lake (3.2% Black), and Waterville (1.3% Black).

Janesville's Asian Population

27 residents of Janesville, or 1.1% of the population, identify as Asian. The share of Asian residents in Janesville is slightly lower than in Minnesota overall, where 5.1% of the population is Asian. Janesville ranks 581st statewide in terms of Asian residents as a share of the population, out of 915 places.

Since the 2020 Census, Janesville's Asian population has grown by an estimated 575.0%. Asian residents' share of Janesville's population has increased from 0.2% to 1.1%.

Janesville is more Asian than neighboring Elysian (0% Asian), Pemberton (0% Asian), Madison Lake (0.2% Asian), St. Clair (0.3% Asian), and Waterville (0.5% Asian).

Janesville's Hispanic Population

118 residents of Janesville, or 5.0% of the population, identify as Hispanic. The share of Hispanic residents in Janesville is comparable to the share in Minnesota overall, where 6.4% of the population is Hispanic. Janesville ranks 432nd statewide in terms of Hispanic residents as a share of the population, out of 915 places.

Since the 2020 Census, Janesville's Hispanic population has grown by an estimated 61.6%. Hispanic residents' share of Janesville's population has increased from 3.0% to 5.0%.

Janesville is more Hispanic than neighboring Elysian (0.3% Hispanic), Madison Lake (0.6% Hispanic), and St. Clair (4.6% Hispanic). Janesville is less Hispanic than neighboring Pemberton (6.3% Hispanic), and Waterville (7.2% Hispanic).

Janesville's Native American/Other Population

14 residents of Janesville, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Janesville is comparable to the share in Minnesota overall, where 1.2% of the population is Native American/Other. Janesville ranks 529th statewide in terms of Native American/Other residents as a share of the population, out of 915 places.

Since the 2020 Census, Janesville's Native American/Other population has grown by an estimated 7.7%. Native American/Other residents' share of Janesville's population has remained roughly unchanged at 0.6%.

Janesville is more Native American/Other than neighboring Elysian (0% Native American/Other), Pemberton (0.4% Native American/Other), and Madison Lake (0% Native American/Other). Janesville is less Native American/Other than neighboring St. Clair (3.5% Native American/Other), and Waterville (1.5% Native American/Other).

Janesville's Multiracial Population

66 residents of Janesville, or 2.8% of the population, identify as Multiracial. The share of Multiracial residents in Janesville is comparable to the share in Minnesota overall, where 4.5% of the population is Multiracial. Janesville ranks 441st statewide in terms of Multiracial residents as a share of the population, out of 915 places.

Since the 2020 Census, Janesville's Multiracial population has declined by an estimated 22.4%. Multiracial residents' share of Janesville's population has decreased from 3.5% to 2.8%.

Janesville is more Multiracial than neighboring Elysian (0.7% Multiracial), and Waterville (1.5% Multiracial). Janesville is less Multiracial than neighboring Pemberton (9% Multiracial), Madison Lake (3.2% Multiracial), and St. Clair (5.1% 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.