Casco is located in St. Clair County, Michigan. Casco has a 2025 population of 2,940 . Casco is currently growing at a rate of 1.07% annually and its population has increased by 4.74% since the most recent census, which recorded a population of 2,807 in 2020.
The average household income in Casco is $139,350 with a poverty rate of 7.81%. The median age in Casco is 57.1 years: 55.3 years for males, and 57.5 years for females. For every 100 females there are 109.7 males.
Data after 2023 is projected based on recent change
The racial composition of Casco includes 84.21% White, and smaller percentages for Native American, Black or African American, other race and multiracial populations.
White (84.21%)
Two or more races (9.35%)
Native American (2.71%)
Black or African American (2.22%)
Other race (1.51%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,395 | 84.21% |
| Two or more races | 266 | 9.35% |
| Native American | 77 | 2.71% |
| Black or African American | 63 | 2.22% |
| Other race | 43 | 1.51% |
Married
Widowed
Divorced
Separated
Never Married
Casco's average per capita income is $50,172. Household income levels show a median of $83,750. The poverty rate stands at 7.81%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,452 | - |
| Families | $107,200 | $167,444 |
| Households | $83,750 | $139,350 |
| Non Families | $40,000 | $65,093 |
Average Income
Median Household Income
Poverty Rate