Town · Wisconsin

Town of Prairie du Sac, Wisconsin

Prairie du Sac (town), town, in Sauk County, Wisconsin. Prairie du Sac (town) had 1,044 residents on July 1, 2025 by the Census Bureau's estimate, down 2.6% since 2020; the 2020 Census counted 1,076 and the ACS 2020-2024 5-year estimates put it at 992 (±156). GEOID 5511165125.

Residents, July 2025 estimate

1,044

Census Bureau estimate (no margin published)
2020 Census count: 1,076 · ACS 2020-2024: 992 ±156

Median household income

$110,905

±$3,759 (90% margin)
Wisconsin: $77,485

Median home value

$402,800

±$32,989 (90% margin)
Wisconsin: $266,500

Median gross rent

$950

±$480 (90% margin)
Wisconsin: $1,087

Where is Prairie du Sac (town) and what county is it in?

Prairie du Sac (town) is a town in Sauk County, Wisconsin. It covers 28.9 square miles of land, 37 residents per square mile in 2020.

Prairie du Sac (town) is in the Baraboo, WI micropolitan statistical area (Census Bureau delineation, July 2023).

Prairie du Sac (town) (marked with a dot) in Sauk County, Wisconsin. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in Prairie du Sac (town), and is it growing?

The Census Bureau estimates that 1,044 people lived in Prairie du Sac (town) on July 1, 2025, down 2.6% since 2020, while Wisconsin grew 1.3%. The 2020 Census counted 1,076 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 992 (±156).

July 2020→2021 −8 (1,064)
2021→2022 −3 (1,061)
2022→2023 −6 (1,055)
2023→2024 −4 (1,051)
2024→2025 −7 (1,044)

ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
Measure	Prairie du Sac (town)	Sauk County	Wisconsin	Change since 2015-2019
Total population	992±156	66,009	5,914,872	no clear change
Households	389±61	27,987	2,479,480	no clear change
Average household size	2.55±0.35	2.33	2.33	no clear change
Housing units	417±63	31,496	2,778,572	no clear change

Prairie du Sac (town)'s population since 2000

From 1,138 in 2000 to 1,044 in 2025: down 8.3%. The 2000, 2010 and 2020 figures are census counts, each for Prairie du Sac (town) as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 1,138
2005 (estimate) 1,158
2010 Census 1,144
2015 (estimate) 1,109
2020 Census 1,076
2025 (estimate) 1,044

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov

Who lives in Prairie du Sac (town)?

The median resident of Prairie du Sac (town) is 57.1 years old; 15.2% are under 18 and 29.1% are 65 or older. The largest group is non-Hispanic white residents at 96.0%, then Hispanic or Latino residents (of any race) at 3.3%.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Prairie du Sac (town)	Sauk County	Wisconsin	Change since 2015-2019
Median age	57.1±5.8	41.6	40.2	+9.4
Under 18 years	15.2%±3.9 pts	22.3%	21.4%	–
65 years and over	29.1%±8.3 pts	19.9%	18.5%	–
Male	49.9%±5.7 pts	50.2%	50.1%	–
Hispanic or Latino (any race)	3.3%±3.5 pts	6.8%	8.0%	–
White alone, not Hispanic	96.0%±3.7 pts	86.3%	78.6%	no clear change
Black or African American alone, not Hispanic	0.0%±2.2 pts	0.8%	5.9%	–
Asian alone, not Hispanic	0.0%±2.2 pts	0.4%	2.9%	–
American Indian and Alaska Native alone, not Hispanic	0.0%±2.2 pts	0.5%	0.5%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±2.2 pts	0.0%	0.0%	–
Two or more races, not Hispanic	0.3%±0.5 pts	4.4%	3.7%	–
Some other race alone, not Hispanic	0.4%±0.5 pts	0.8%	0.3%	–
Born outside the United States	3.9%±3.1 pts	3.9%	5.2%	–
Speak a language other than English at home (age 5+)	2.7%±2.6 pts	8.1%	9.0%	–
Civilian veterans (age 18+)	5.6%±2.2 pts	7.0%	6.2%	–
With a disability	7.7%±2.7 pts	13.0%	12.3%	–
No health insurance coverage	2.1%±2.1 pts	6.0%	5.2%	–
High school graduate or higher (age 25+)	93.5%±3.5 pts	92.6%	93.6%	–
Bachelor's degree or higher (age 25+)	28.0%±5.7 pts	27.3%	33.4%	no clear change
Graduate or professional degree (age 25+)	12.5%±4.4 pts	8.2%	11.4%	–
Lived in the same house a year earlier	94.8%±2.7 pts	90.1%	88.2%	–
Moved from another state in the past year	0.0%±2.3 pts	1.1%	2.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Prairie du Sac (town) earn?

Half of Prairie du Sac (town)'s 389 households earn less than $110,905 a year (±$3,759), against $79,541 in Sauk County and $77,485 in Wisconsin. In 2015-2019 it was $110,063 in 2024 dollars; the margins of error cannot tell the two periods apart. 2.6% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
Measure	Prairie du Sac (town)	Sauk County	Wisconsin	Change since 2015-2019
Median household income	$110,905±$3,759	$79,541	$77,485	no clear change
Mean household income	$120,852±$13,488	$98,005	$101,466	–
Per capita income	$52,171±$4,904	$41,246	$43,373	no clear change
People below the poverty line	2.6%±1.5 pts	8.1%	10.6%	–
Children under 18 below the poverty line	0.0%±14.1 pts	8.6%	12.8%	–
Households receiving SNAP	1.5%±1.6 pts	10.1%	11.1%	–
Households with a computer	97.9%±1.6 pts	94.3%	94.7%	–
Households with a broadband subscription	95.6%±2.5 pts	88.5%	90.3%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Prairie du Sac (town)?

Owners occupy 83.0% of Prairie du Sac (town)'s occupied homes and renters 17.0%. The median owner-occupied home is valued at $402,800 by its owner (±$32,989). The median renter pays $950 a month including utilities.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
Measure	Prairie du Sac (town)	Sauk County	Wisconsin	Change since 2015-2019
Median home value (owner-occupied)	$402,800±$32,989	$258,600	$266,500	+$55,006
Median gross rent	$950±$480	$1,018	$1,087	no clear change
Renters paying 35% or more of income on rent	29.5%±27.2 pts	31.8%	35.0%	–
Median monthly owner costs, with a mortgage	$2,025±$189	$1,646	$1,689	–
Owner-occupied homes	83.0%±7.3 pts	72.4%	67.8%	no clear change
Renter-occupied homes	17.0%±7.3 pts	27.6%	32.2%	–
Housing units	417±63	31,496	2,778,572	no clear change
Homeowner vacancy rate	0.0%±6.7 pts	0.6%	0.5%	–
Rental vacancy rate	0.0%±25.2 pts	5.3%	4.5%	–
Single-family detached homes	97.1%±2.1 pts	69.2%	66.2%	–
Mobile homes	0.7%±1.0 pts	6.8%	3.1%	–
Built 2020 or later	1.2%±1.7 pts	1.3%	1.4%	–
Built 2010 to 2019	6.7%±5.0 pts	7.0%	7.1%	–
Built 1939 or earlier	12.0%±5.3 pts	18.7%	17.8%	–
Households with no vehicle	2.3%±3.7 pts	5.1%	6.4%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How do people in Prairie du Sac (town) work and get to work?

73.1% of Prairie du Sac (town)'s workers drive alone and 17.8% work from home. The average trip to work takes 22.3 minutes.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
Measure	Prairie du Sac (town)	Sauk County	Wisconsin	Change since 2015-2019
In the labor force (age 16+)	67.2%±8.1 pts	66.8%	65.3%	–
Unemployment rate	1.9%±2.0 pts	2.3%	3.2%	–
Drove alone to work	73.1%±6.1 pts	77.0%	74.4%	–
Carpooled	9.0%±4.9 pts	9.0%	7.3%	–
Public transportation	0.0%±3.9 pts	0.1%	1.1%	–
Walked	0.2%±0.6 pts	2.4%	2.6%	–
Worked from home	17.8%±5.0 pts	9.6%	13.1%	+8.1 pts
Mean travel time to work	22.3 min±2.9	23.0 min	22.2 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What census tracts are in Prairie du Sac (town)?

No census tract lies mostly in Prairie du Sac (town); 5 tracts reach into it (2020 census blocks).

Census tracts in Prairie du Sac (town), ACS 2020-2024 5-year estimates
Tract	Residents, 2020-2024	Median household income	Median home value	Share of tract in Prairie du Sac (town)
Tract 6.03Sauk County	3,329	$101,090	$363,700	20%
Tract 7Sauk County	2,993	$99,688	$294,500	14%
Tract 8Sauk County	3,726	$83,287	$282,100	8%
Tract 5Sauk County	3,585	$85,179	$337,400	6%
Tract 6.01Sauk County	1,677	$108,750	$363,000	11%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Prairie du Sac (town)) · Census block assignment files

How does Prairie du Sac (town) compare with other places in Wisconsin?

By the Census Bureau's July 2025 estimates, Prairie du Sac (town) is the 7,472nd-most populous of the 16,079 U.S. towns and townships that have one and the 483rd-most populous of 1,239 in Wisconsin.

Prairie du Sac (town) ranks 123rd of 914 places in Wisconsin with 1,000 or more residents and a reliable estimate, by median household income.

Prairie du Sac (town)'s rank in Wisconsin (1 = highest): by population among the state's towns and townships with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
Measure	Rank	Of
Population, July 2025 estimate	483rd	1,239
Growth 2020-2025 (PEP)	823rd	884
Residents per square mile	734th	914
Median household income	123rd	914
Per capita income	178th	911
Median home value	110th	913
Median gross rent	470th	825
Poverty rate	682nd	706
Bachelor's degree or higher	419th	914
Median age	45th	914
Owner-occupied share	524th	914
Work from home	131st	827
Travel time to work	558th	914

Prairie du Sac (town)'s figures with every place in Wisconsin (CSV)

Every place in Wisconsin, sortable · Compare Prairie du Sac (town) with other places

Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How reliable are the figures for Prairie du Sac (town)?

23 of the 57 figures for Prairie du Sac (town) on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.

The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Prairie du Sac (town) are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.