Sanilac County's estimated 2026 population is 39,928 with a growth rate of -0.39% in the past year according to the most recent United States census data. Sanilac County is the 41st largest county in Michigan. The 2010 population was 43,087 and has seen a growth of -7.33% since that time.
Data after 2023 is projected based on recent change
Overall: 45.5 years
Female: 46.3 years
Male: 44.7 years
There are 31,990 adults, (9,406 of whom are seniors) in Sanilac County.
Female: 20,059 (49.6%)
Male: 20,403 (50.4%)
The racial composition of Sanilac County includes 93.29% 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 | 37,745 | 93.29% |
| Two or more races | 1,879 | 4.64% |
| Other race | 502 | 1.24% |
| Black or African American | 165 | 0.41% |
| Asian | 115 | 0.28% |
| Native American | 48 | 0.12% |
| Native Hawaiian or Pacific Islander | 8 | 0.02% |
Sanilac County's average per capita income is $41,876. Household income levels show a median of $58,863. The poverty rate stands at 15.33%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,301 | $100,603 |
| Families | $73,769 | $91,633 |
| Households | $58,863 | $77,878 |
| Non Families | $35,600 | $48,142 |
Average Income
Median Household Income
Poverty Rate
