St. Joseph, Wisconsin Population & Demographics

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Statistic	St. Joseph	Wisconsin	National
Population	610	5,966,344	336,919,644
Population density (sq mi)	323	110	91
Median age	34.9	39.1	37.7
Male/Female ratio	0.7:1	1.0:1	1.0:1
Married (15yrs & older)	50%	57%	55%
Families w/ Kids under 18	48%	43%	43%
Speak English	90%	91%	79%
Speak Spanish	9%	5%	13%

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Demographics Quick Facts

The population density in St. Joseph is 193% higher than Wisconsin
The median age in St. Joseph is 11% lower than Wisconsin
In St. Joseph 79.60% of the population is White
In St. Joseph 0.67% of the population is Black
In St. Joseph 0.34% of the population is Asian

Compare St. Joseph, WI Demographics

St. Joseph racial demographics

Race	St. Joseph	Wisconsin	National
White	79.60%	86.21%	73.35%
Black	0.67%	6.29%	12.63%
Asian	0.34%	2.57%	5.22%
American Indian	0.00%	0.89%	0.82%
Native Hawaiian	0.00%	0.02%	0.18%
Mixed race	0.00%	2.19%	3.06%
Other race	19.39%	1.83%	4.75%

In St. Joseph, 7.6% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

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Household income distribution

Place of birth by citizenship

St. Joseph age breakdown

Marital status

Age of children in married couples

Source: The St. Joseph, WI demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.