Martin County's estimated 2026 population is 19,316 with a growth rate of -0.64% in the past year according to the most recent United States census data. Martin County is the 49th largest county in Minnesota. The 2010 population was 20,805 and has seen a growth of -7.16% since that time.
Data after 2023 is projected based on recent change
Overall: 43.9 years
Female: 43.8 years
Male: 44 years
There are 15,265 adults, (4,866 of whom are seniors) in Martin County.
Female: 9,933 (50.2%)
Male: 9,847 (49.8%)
The racial composition of Martin County includes 92.53% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 18,303 | 92.53% |
| Two or more races | 844 | 4.27% |
| Other race | 314 | 1.59% |
| Black or African American | 169 | 0.85% |
| Asian | 101 | 0.51% |
| Native American | 49 | 0.25% |
Martin County's average per capita income is $44,815. Household income levels show a median of $59,507. The poverty rate stands at 13.13%.
Name | Median | Mean |
|---|---|---|
| Married Families | $99,544 | - |
| Families | $81,651 | $103,969 |
| Households | $59,507 | $82,458 |
| Non Families | $37,839 | $48,477 |
Average Income
Median Household Income
Poverty Rate