Jefferson County vs St. Croix County

A side-by-side comparison of Jefferson County and St. Croix County: population, income, housing, and more.

Jefferson County and St. Croix County are counties in Wisconsin. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

St. Croix County has the higher population (94,819 vs 85,867 in Jefferson County). St. Croix County has the higher median household income ($102,482 vs $80,604 in Jefferson County). St. Croix County has the higher median home value ($349,700 vs $253,800 in Jefferson County).

Population, income & housing

	Jefferson County	St. Croix County
Population	85,867	94,819
Median age	41.3 yrs	39.8 yrs
Median household income	$80,604	$102,482
Median home value	$253,800	$349,700
Median gross rent	$1,012	$1,238
Housing units	36,649	38,185
Homeownership rate	72.9%	78.9%
Bachelor's degree or higher	28.1%	39.4%
Unemployment rate	3.3%	2.0%

Trends (ACS 5-year, 2019–2023)

	Jefferson County	St. Croix County
Population	84,701 → 85,867 (+1.4%)	88,732 → 94,819 (+6.9%)
Median household income	$66,291 → $80,604 (+21.6%)	$84,756 → $102,482 (+20.9%)
Median home value	$190,400 → $253,800 (+33.3%)	$244,500 → $349,700 (+43.0%)
Median gross rent	$857 → $1,012 (+18.1%)	$962 → $1,238 (+28.7%)

Jefferson County

Population

84,70185,867

Median household income

$66,291$80,604

Median home value

$190,400$253,800

Median gross rent

$857$1,012

St. Croix County

Population

88,73294,819

Median household income

$84,756$102,482

Median home value

$244,500$349,700

Median gross rent

$962$1,238

Age & race/ethnicity

Age distribution (share)

	Jefferson County	St. Croix County
Under 5	4.8%	5.7%
5 to 17	15.4%	18.4%
18 to 24	10.5%	7.4%
25 to 34	11.0%	11.2%
35 to 44	12.7%	14.2%
45 to 54	13.0%	13.4%
55 to 64	14.7%	14.3%
65 to 74	11.1%	9.7%
75 and over	6.9%	5.6%

Race & ethnicity (share)

	Jefferson County	St. Croix County
White (non-Hispanic)	87.5%	91.8%
Black or African American	0.9%	0.7%
American Indian & Alaska Native	0.1%	0.1%
Asian	0.6%	1.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.2%	0.3%
Two or more races	2.4%	3.2%
Hispanic or Latino	8.4%	2.9%

Educational attainment (age 25+)

Share of adults 25+

	Jefferson County	St. Croix County
No high school diploma	7.1%	3.7%
High school graduate	32.5%	24.8%
Some college or associate's	32.2%	32.1%
Bachelor's degree	19.6%	27.6%
Graduate or professional degree	8.5%	11.8%

Commute to work

How workers get to work (share)

	Jefferson County	St. Croix County
Drove alone	77.5%	75.9%
Carpooled	8.1%	7.0%
Public transit	0.3%	0.2%
Walked	3.1%	1.4%
Bicycle	0.3%	0.2%
Worked from home	9.3%	14.3%
Other means	1.4%	1.1%

Housing

Units in structure (share)

	Jefferson County	St. Croix County
1-unit, detached	71.0%	73.8%
1-unit, attached	3.5%	9.0%
2 to 4 units	8.4%	5.1%
5 to 19 units	9.2%	4.8%
20 or more units	4.3%	4.6%
Mobile home & other	3.7%	2.8%

Poverty & households

	Jefferson County	St. Croix County
Poverty rate	8.1%	6.6%
Average household size	2.39	2.56
Mean commute (minutes)	25	27
Median year structure built	1974	1993