Sanilac County's estimated 2025 population is 40,152 with a growth rate of -0.35% 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 -6.81% since that time.
Data after 2023 is projected based on recent change
The racial composition of Sanilac County includes 93.77% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (93.77%)
Two or more races (4.21%)
Other race (1.27%)
Black or African American (0.41%)
Asian (0.18%)
Native American (0.15%)
Native Hawaiian or Pacific Islander (0.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 38,046 | 93.77% |
| Two or more races | 1,708 | 4.21% |
| Other race | 515 | 1.27% |
| Black or African American | 165 | 0.41% |
| Asian | 72 | 0.18% |
| Native American | 61 | 0.15% |
| Native Hawaiian or Pacific Islander | 7 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Sanilac County's average per capita income is $40,147. Household income levels show a median of $59,074. The poverty rate stands at 13.98%.
Name | Median | Mean |
|---|---|---|
| Married Families | $82,148 | $96,717 |
| Families | $73,268 | $88,368 |
| Households | $59,074 | $76,203 |
| Non Families | $35,038 | $48,402 |
Average Income
Median Household Income
Poverty Rate
