Sister Bay, WI Demographics

A map of Sister Bay's Population by Race

Sister Bay, Wisconsin has an estimated population of 1,044, a decrease from the 1,148 recorded in the 2020 Census. The population is 96.3% White, 1.6% Hispanic, 1.1% Multiracial, 1.0% Asian, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Sister Bay, with one dot drawn for each person counted by the Census, color-coded by race.

Sister Bay has become considerably less 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 Sister Bay, that probability was 12.6% in 2020 and 7.3% in the most recent ACS estimates.

Sister Bay is ranked the 391st 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). Sister Bay was ranked the 370th most populous place in the 2020 Census.

Sister Bay's White Population

1,005 residents of Sister Bay, or 96.3% of the population, identify as White. The share of White residents in Sister Bay is significantly higher than in Wisconsin overall, where 78.6% of the population is White. Sister Bay ranks 224th statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Sister Bay's White population has declined by an estimated 6.3%. White residents' share of Sister Bay's population has increased from 93.4% to 96.3%.

Sister Bay is more White than neighboring Ephraim (93% White), Ellison Bay (87.1% White), Baileys Harbor (92.5% White), and Sturgeon Bay (87.2% White). Sister Bay is less White than neighboring Egg Harbor (97.7% White).

Sister Bay's Black Population

0 residents of Sister Bay, or 0.0% of the population, identify as Black. The share of Black residents in Sister Bay is lower than in Wisconsin overall, where 5.9% of the population is Black. Sister Bay ranks 510th statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Sister Bay's Black population has declined by an estimated 100.0%. Black residents' share of Sister Bay's population has remained roughly unchanged at 0.0%.

Sister Bay's Asian Population

10 residents of Sister Bay, or 1.0% of the population, identify as Asian. The share of Asian residents in Sister Bay is comparable to the share in Wisconsin overall, where 2.9% of the population is Asian. Sister Bay ranks 297th statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Sister Bay's Asian population has grown by an estimated 25.0%. Asian residents' share of Sister Bay's population has remained roughly unchanged at 1.0%.

Sister Bay is more Asian than neighboring Ephraim (0% Asian), Ellison Bay (0% Asian), Baileys Harbor (0% Asian), Egg Harbor (0% Asian), and Sturgeon Bay (0.9% Asian).

Sister Bay's Hispanic Population

17 residents of Sister Bay, or 1.6% of the population, identify as Hispanic. The share of Hispanic residents in Sister Bay is lower than in Wisconsin overall, where 8% of the population is Hispanic. Sister Bay ranks 379th statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Sister Bay's Hispanic population has declined by an estimated 54.1%. Hispanic residents' share of Sister Bay's population has decreased from 3.2% to 1.6%.

Sister Bay is more Hispanic than neighboring Ephraim (0% Hispanic), Ellison Bay (0% Hispanic), and Baileys Harbor (0% Hispanic). Sister Bay is less Hispanic than neighboring Egg Harbor (2% Hispanic), and Sturgeon Bay (6.1% Hispanic).

Sister Bay's Native American/Other Population

0 residents of Sister Bay, 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 Sister Bay is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Sister Bay ranks 634th statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

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

Sister Bay is less Native American/Other than neighboring Egg Harbor (0.3% Native American/Other), and Sturgeon Bay (1.1% Native American/Other).

Sister Bay's Multiracial Population

12 residents of Sister Bay, or 1.1% of the population, identify as Multiracial. The share of Multiracial residents in Sister Bay is slightly lower than in Wisconsin overall, where 3.7% of the population is Multiracial. Sister Bay ranks 612th statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Sister Bay's Multiracial population has declined by an estimated 52.0%. Multiracial residents' share of Sister Bay's population has decreased from 2.2% to 1.1%.

Sister Bay is more Multiracial than neighboring Egg Harbor (0% Multiracial). Sister Bay is less Multiracial than neighboring Ephraim (7% Multiracial), Ellison Bay (12.9% Multiracial), Baileys Harbor (7.5% Multiracial), and Sturgeon Bay (4.7% 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.