St. Joseph County, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 33rd-largest in Michigan
The population of St. Joseph County, Michigan is 60,870 as of the 2023 American Community Survey, making it the 33rd-largest county in Michigan. The median household income is $64,707, the median home value is $167,600, and the median age is 39.8.
The population of St. Joseph County has declined 0.2% since 2010 (61,288 → 61,171), a -0.01% annualized rate.
60,870
Population
-0.01%
Annual growth
122
People / sq mi
$64,707
Median Income
$167,600
Median Home Value
St. Joseph County covers 501 sq mi of land at 121.6 people per square mile.
About St. Joseph County, MI
St. Joseph County is a county in Michigan with a population of 60,870. It ranks #33 among counties in Michigan by population. The median age is 39.8, in line with the national median. The population is 50.4% male and 49.6% female.
The median household income in St. Joseph County is $64,707, below the US median of $74,580. 8.3% of residents live below the federal poverty level. Home values sit at a median of $167,600, with monthly rent averaging $825. The homeownership rate of 75.2% is higher than the national rate of 64.8%.
Educational attainment in St. Joseph County reflects 17.1% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.0 minutes each way.
St. Joseph County Population History (2010-2024)
The county of St. Joseph County had a population of 61,288 in 2010 and 61,171 in 2024, a -0.2% growth over 14 years. The peak was 61,288 in 2010. Average annual growth rate: -0.01%.
61,171
Population (2024)
61,288
Population (2010)
61,288
Peak (2010)
-0.01%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 61,288 |
| 2011 | 61,068 |
| 2012 | 60,987 |
| 2013 | 60,987 |
| 2014 | 61,014 |
| 2015 | 60,809 |
| 2016 | 60,761 |
| 2017 | 60,703 |
| 2018 | 60,808 |
| 2019 | 60,826 |
| 2020 | 60,942 |
| 2021 | 60,857 |
| 2022 | 60,814 |
| 2023 | 61,062 |
| 2024 | 61,171 |
Race & Ethnicity
| White | 87.2% |
| Black or African American | 2.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.8% |
| Two or More Races | 0.0% |
Age & Sex
39.8
Median Age
49.6%
Female
50.4%
Male
18.5%
Age 65+
Age Distribution
Children (under 15): 20.0% · Seniors (65+): 18.5%
Income & Poverty
| Median household income | $64,707$-6,442 vs state |
| Mean household income | $78,907 |
| Per-capita income | $31,170 |
| Poverty rate | 8.3%-0.5% vs state |
| Unemployment rate | 3.2% |
| Employment-to-population | 57.9% |
Top Industries by Employment
The largest employment sector in St. Joseph County is manufacturing, accounting for 37.5% of workers.
How residents commute
0.1%
Drive alone
2.0%
Carpool
74.2%
Public transit
6.1%
Work from home
21.0 min
Avg commute
Housing
$167,600$-50,000 vs state
Median home value
$825
Median rent
75.2%
Homeownership rate
27,248
Total housing units
86.6%
Occupied
13.4%
Vacant
24.8%
Renter-occupied
Social & access
90.4%
With health insurance
91.0%
With broadband internet
28.1%
Foreign-born
7.1%
Veterans (18+)
16.8%
With a disability
87.7%
Speak language other than English at home
Education
86.3%
High School+
17.1%
Bachelor's+
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County rankings
Frequently Asked Questions
St. Joseph County, Michigan has a population of 60,870 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 33rd-largest county in Michigan. Population density is 122 people per square mile.
The population of St. Joseph County has declined 0.2% since 2010 (61,288 → 61,171), a -0.01% annualized rate.
The median household income in St. Joseph County, Michigan is $64,707, with mean (average) household income of $78,907 and per-capita income of $31,170. 8.3% of residents live below the federal poverty level.
In St. Joseph County, the largest racial and ethnic groups are White (87.2%), Black or African American (2.2%), Hispanic or Latino (1.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in St. Joseph County, Michigan is 39.8 years. Residents are 49.6% female and 50.4% male.
The median home value in St. Joseph County is $167,600 and median monthly rent is $825. 75.2% of occupied housing units are owner-occupied. The county has 27,248 total housing units, 13.4% of which are vacant.
The largest employment sector in St. Joseph County, Michigan is manufacturing, employing 37.5% of workers. The unemployment rate is 3.2%.
Detroit is among the largest cities associated with St. Joseph County, Michigan, with a population of 636,644.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.