St. Croix County, Wisconsin Demographics 2026

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

St. Croix County, Wisconsin has a population of 96,033, the 17th most populous county in Wisconsin. The median household income is $103,046 and the median home value is $377,700. The poverty rate is 6.6%.

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

St. Croix County Quick Facts

Population 96,033

Median Household Income $103,046

Median Home Value $377,700

Poverty Rate 6.6%

Unemployment Rate 2.6%

Median Age 40.4 years

Homeownership Rate 78.3%

Affordability Ratio 3.7x

Bachelor's Degree+ 39.5%

High School Graduation 96.9%

Cities/Places 16

Population 96,033 17th of 72

Median Income $103,046 33% higher than state

Poverty Rate 6.6%

Unemployment 2.6%

How St. Croix 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	94,819	96,033	+1.3%
Median household income	$102,482	$103,046	+0.6%
Median home value	$349,700	$377,700	+8.0%

Median Household Income

St. Croix

$103,046

$77,485

National

$80,734

Median Home Value

St. Croix

$377,700

$266,500

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 8.6%

$25K-$50K 11.4%

$50K-$100K 28.3%

$100K+ 51.7%

Detailed income brackets

Under $10K

2.7%

$10K-$15K

1.7%

$15K-$20K

2.0%

$20K-$25K

2.2%

$25K-$30K

1.7%

$30K-$35K

2.7%

$35K-$40K

2.0%

$40K-$45K

1.7%

$45K-$50K

3.3%

$50K-$60K

5.9%

$60K-$75K

9.0%

$75K-$100K

13.4%

$100K-$125K

12.1%

$125K-$150K

9.4%

$150K-$200K

14.8%

$200K+

15.4%

Employment

2.6% Unemployment Rate State: 3.3%|National: 5.2%

69.0% Labor Force Participation

Housing Overview

Owner 78.3%

Renter 21.7%

Affordability Index Affordable

3.7x home value to income ratio

Median gross rent $1,271/mo 14.8% of median household income annually

People & Demographics

Age Distribution

Under 18

23.8%

18-34

18.6%

35-54

27.4%

55-74

24.3%

75+

6.0%

Race & Ethnicity

Diversity Index

Very 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 St. Croix County

City	Population	Median Income	Poverty	Home Value
River Falls	16,719	$83,627	15.1%	$327,600
Hudson	14,959	$93,937	6.2%	$392,700
New Richmond	10,539	$88,157	10.5%	$285,100
Baldwin	4,342	$77,179	9.7%	$273,500
North Hudson	3,819	$122,647	4.2%	$385,300
Somerset	3,208	$80,395	14.8%	$286,600
Hammond	1,960	$82,721	17.4%	$262,200
Roberts	1,858	$93,400	10.5%	$288,000
Woodville	1,424	$80,104	7.4%	$220,300
Spring Valley	1,290	$69,750	6.6%	$198,900
Glenwood City	1,260	$72,917	12.2%	$176,700
Star Prairie	674	$77,188	11.4%	$283,500
Houlton	240	$113,345	26.3%	N/A
Deer Park	223	$66,875	5.8%	$184,100
Wilson	200	$88,750	10.4%	$216,700
Emerald	191	$84,500	16.2%	$161,100

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

St. Croix County is located in Wisconsin with a total population of 96,033. It is the 17th most populous county out of 72 in Wisconsin. The county encompasses 16 Census-designated places.

Age Demographics

The median age in St. Croix County is 40.4 years. This is about the same as the state median of 40.2 years.

Economy, Income & Housing

The median household income in St. Croix County is $103,046. This is 33% higher than the state median of $77,485. It is also 28% higher than the national median of $80,734. The poverty rate stands at 6.6%. This is 37% lower than the state poverty rate of 10.5%. The unemployment rate is 2.6%. This is 21% lower than the state rate of 3.3%. The median home value is $377,700. Housing costs are 42% higher than the state median of $266,500. The home-value-to-income ratio is 3.7x. 78.3% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 67.8%.

Race & Ethnicity

St. Croix County has a predominantly White (non-Hispanic) population, comprising 91.4% of all residents. Hispanic or Latino residents account for 3.1%. The Black or African American population (0.7%) is well below the state average of 5.9%. The Hispanic or Latino population (3.1%) is well below the state average of 8.0%. The Asian population (1.1%) is well below the state average of 2.9%.

Education

39.5% of residents aged 25 and older hold a bachelor's degree or higher. This places St. Croix County in the top 10% of all counties in the state for educational attainment. This is 18% higher 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 96.9%.

Data Sources & Methodology

All figures for St. Croix 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 St. Croix County, Wisconsin?

St. Croix County has a population of 96,033, making it the 17th most populous county in Wisconsin.

What is the median income in St. Croix County?

The median household income in St. Croix County is $103,046 with a poverty rate of 6.6%.

How many cities are in St. Croix County, Wisconsin?

St. Croix County contains 16 Census-designated places.