Sauk County, Wisconsin Demographics 2026

Name: Sauk County, Wisconsin Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Sauk County, Wisconsin has a population of 66,009, the 25th most populous county in Wisconsin. The median household income is $79,541 and the median home value is $258,600. The poverty rate is 8.1%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Sauk County Quick Facts

Population 66,009

Median Household Income $79,541

Median Home Value $258,600

Poverty Rate 8.1%

Unemployment Rate 2.3%

Median Age 41.6 years

Homeownership Rate 72.4%

Affordability Ratio 3.3x

Bachelor's Degree+ 27.4%

High School Graduation 92.6%

Cities/Places 19

Population 66,009 25th of 72

Median Income $79,541 3% higher than state

Poverty Rate 8.1%

Unemployment 2.3%

How Sauk County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	65,759	66,009	+0.4%
Median household income	$77,648	$79,541	+2.4%
Median home value	$242,400	$258,600	+6.7%

Median Household Income

Sauk

$79,541

$77,485

National

$80,734

Median Home Value

Sauk

$258,600

$266,500

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 12.0%

$25K-$50K 17.1%

$50K-$100K 33.0%

$100K+ 38.0%

Detailed income brackets

Under $10K

2.9%

$10K-$15K

3.0%

$15K-$20K

2.3%

$20K-$25K

3.8%

$25K-$30K

3.1%

$30K-$35K

3.3%

$35K-$40K

3.3%

$40K-$45K

3.3%

$45K-$50K

4.1%

$50K-$60K

7.0%

$60K-$75K

10.4%

$75K-$100K

15.6%

$100K-$125K

13.5%

$125K-$150K

7.4%

$150K-$200K

10.2%

$200K+

6.9%

Employment

2.3% Unemployment Rate State: 3.3%|National: 5.2%

66.8% Labor Force Participation

Housing Overview

Owner 72.4%

Renter 27.6%

Affordability Index Affordable

3.3x home value to income ratio

Median gross rent $1,018/mo 15.4% of median household income annually

People & Demographics

Age Distribution

Under 18

22.4%

18-34

18.8%

35-54

24.8%

55-74

26.1%

75+

8.0%

Race & Ethnicity

Diversity Index

Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 37 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Sauk County

City	Population	Median Income	Poverty	Home Value
Baraboo	12,769	$69,750	8.4%	$222,100
Reedsburg	10,168	$75,028	8.3%	$229,100
Lake Wisconsin	5,384	$124,127	3.0%	$452,400
Prairie du Sac	4,382	$101,049	7.7%	$321,300
Sauk City	3,483	$91,042	8.4%	$291,400
Lake Delton	3,482	$51,964	12.6%	$178,300
Wisconsin Dells	2,547	$54,688	11.3%	$207,100
West Baraboo	1,577	$60,880	9.6%	$224,700
Spring Green	1,397	$87,344	6.8%	$248,800
Plain	780	$96,000	6.5%	$234,200
North Freedom	716	$83,750	15.3%	$157,700
Merrimac	570	$92,417	6.7%	$276,600
Bluffview	542	$46,943	10.3%	$23,900
La Valle	326	$76,607	2.8%	$121,400
Rock Springs	323	$77,250	11.5%	$164,200
Ironton	271	$50,938	17.0%	$105,400
Cazenovia	267	$73,750	9.0%	$144,400
Lime Ridge	263	$114,375	4.2%	$145,800
Loganville	252	$73,750	5.6%	$140,800

Explore Wisconsin Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Sauk County is located in Wisconsin with a total population of 66,009. It is the 25th most populous county out of 72 in Wisconsin. The county encompasses 19 Census-designated places.

Age Demographics

The median age in Sauk County is 41.6 years. This is 3% higher than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Sauk County is $79,541. This is 3% higher than the state median of $77,485. It is also 1% lower than the national median of $80,734. The poverty rate stands at 8.1%. This is 24% lower than the state poverty rate of 10.5%. The unemployment rate is 2.3%. This is 29% lower than the state rate of 3.3%. The median home value is $258,600. Housing costs are 3% lower than the state median of $266,500. The home-value-to-income ratio is 3.3x. 72.4% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 67.8%.

Race & Ethnicity

Sauk County has a predominantly White (non-Hispanic) population, comprising 86.3% of all residents. Hispanic or Latino residents account for 6.8%. The Black or African American population (0.8%) is well below the state average of 5.9%. The Asian population (0.4%) is well below the state average of 2.9%.

Education

27.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% lower than the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.6%.

Data Sources & Methodology

All figures for Sauk County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Wisconsin and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Sauk County, Wisconsin?

Sauk County has a population of 66,009, making it the 25th most populous county in Wisconsin.

What is the median income in Sauk County?

The median household income in Sauk County is $79,541 with a poverty rate of 8.1%.

How many cities are in Sauk County, Wisconsin?

Sauk County contains 19 Census-designated places.