St. Joseph County's estimated 2026 population is 60,913 with a growth rate of -0.09% in the past year according to the most recent United States census data. St. Joseph County is the 33rd largest county in Michigan. The 2010 population was 61,288 and has seen a growth of -0.61% since that time.
Data after 2023 is projected based on recent change
Overall: 39.9 years
Female: 40.9 years
Male: 38.9 years
There are 46,168 adults, (11,403 of whom are seniors) in St. Joseph County.
Female: 30,321 (49.7%)
Male: 30,648 (50.3%)
The racial composition of St. Joseph County includes 85.12% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 51,897 | 85.12% |
| Two or more races | 5,744 | 9.42% |
| Other race | 1,410 | 2.31% |
| Black or African American | 1,296 | 2.13% |
| Asian | 397 | 0.65% |
| Native American | 209 | 0.34% |
| Native Hawaiian or Pacific Islander | 16 | 0.03% |
St. Joseph County's average per capita income is $42,718. Household income levels show a median of $66,425. The poverty rate stands at 11.41%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,939 | $106,111 |
| Families | $81,491 | $94,635 |
| Households | $66,425 | $81,433 |
| Non Families | $36,611 | $50,798 |
Average Income
Median Household Income
Poverty Rate