Prairie du Sac, WI Demographics

A map of Prairie du Sac's Population by Race

Prairie du Sac, Wisconsin has an estimated population of 4,382, a less than 1% change from the 4,420 recorded in the 2020 Census. The population is 89.8% White, 4.5% Hispanic, 4.1% Multiracial, 1.6% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Prairie du Sac, with one dot drawn for each person counted by the Census, color-coded by race.

Prairie du Sac 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 Prairie du Sac, that probability was 17.8% in 2020 and 18.9% in the most recent ACS estimates.

Prairie du Sac is ranked the 170th 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). Prairie du Sac was ranked the 164th most populous place in the 2020 Census.

Prairie du Sac's White Population

3,937 residents of Prairie du Sac, or 89.8% of the population, identify as White. The share of White residents in Prairie du Sac is considerably higher than in Wisconsin overall, where 78.6% of the population is White. Prairie du Sac ranks 426th statewide in terms of White residents as a share of the population, out of 808 places.

Since the 2020 Census, Prairie du Sac's White population has declined by an estimated 1.5%. White residents' share of Prairie du Sac's population has decreased from 90.5% to 89.8%.

Prairie du Sac is more White than neighboring Sauk City (86.2% White), Bluffview (68.1% White), and Merrimac (77% White). Prairie du Sac is less White than neighboring Mazomanie (91.3% White), and Black Earth (90.1% White).

Prairie du Sac's Black Population

72 residents of Prairie du Sac, or 1.6% of the population, identify as Black. The share of Black residents in Prairie du Sac is slightly lower than in Wisconsin overall, where 5.9% of the population is Black. Prairie du Sac ranks 391st statewide in terms of Black residents as a share of the population, out of 808 places.

Since the 2020 Census, Prairie du Sac's Black population has grown by an estimated 242.9%. Black residents' share of Prairie du Sac's population has increased from 0.5% to 1.6%.

Prairie du Sac is more Black than neighboring Sauk City (0.5% Black), Mazomanie (0.8% Black), and Black Earth (0% Black). Prairie du Sac is less Black than neighboring Bluffview (7.2% Black), and Merrimac (6.3% Black).

Prairie du Sac's Asian Population

0 residents of Prairie du Sac, or 0.0% of the population, identify as Asian. The share of Asian residents in Prairie du Sac is slightly lower than in Wisconsin overall, where 2.9% of the population is Asian. Prairie du Sac ranks 329th statewide in terms of Asian residents as a share of the population, out of 808 places.

Since the 2020 Census, Prairie du Sac's Asian population has declined by an estimated 100.0%. Asian residents' share of Prairie du Sac's population has decreased from 0.6% to 0.0%.

Prairie du Sac is less Asian than neighboring Sauk City (2.4% Asian), Mazomanie (0.6% Asian), and Merrimac (0.5% Asian).

Prairie du Sac's Hispanic Population

195 residents of Prairie du Sac, or 4.5% of the population, identify as Hispanic. The share of Hispanic residents in Prairie du Sac is slightly lower than in Wisconsin overall, where 8% of the population is Hispanic. Prairie du Sac ranks 186th statewide in terms of Hispanic residents as a share of the population, out of 808 places.

Since the 2020 Census, Prairie du Sac's Hispanic population has declined by an estimated 15.9%. Hispanic residents' share of Prairie du Sac's population has decreased from 5.2% to 4.5%.

Prairie du Sac is less Hispanic than neighboring Sauk City (6.4% Hispanic), Bluffview (20.8% Hispanic), Mazomanie (5.7% Hispanic), Merrimac (13.2% Hispanic), and Black Earth (5.2% Hispanic).

Prairie du Sac's Native American/Other Population

0 residents of Prairie du Sac, 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 Prairie du Sac is comparable to the share in Wisconsin overall, where 0.9% of the population is Native American/Other. Prairie du Sac ranks 643rd statewide in terms of Native American/Other residents as a share of the population, out of 808 places.

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

Prairie du Sac is less Native American/Other than neighboring Sauk City (0.9% Native American/Other), Mazomanie (0.7% Native American/Other), and Merrimac (0.5% Native American/Other).

Prairie du Sac's Multiracial Population

178 residents of Prairie du Sac, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Prairie du Sac is comparable to the share in Wisconsin overall, where 3.7% of the population is Multiracial. Prairie du Sac ranks 450th statewide in terms of Multiracial residents as a share of the population, out of 808 places.

Since the 2020 Census, Prairie du Sac's Multiracial population has grown by an estimated 35.9%. Multiracial residents' share of Prairie du Sac's population has increased from 3.0% to 4.1%.

Prairie du Sac is more Multiracial than neighboring Sauk City (3.6% Multiracial), Bluffview (3.9% Multiracial), Mazomanie (0.8% Multiracial), and Merrimac (2.5% Multiracial). Prairie du Sac is less Multiracial than neighboring Black Earth (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.