St. Louis is a city located in Gratiot County, Michigan. St. Louis has a 2025 population of 7,467 . St. Louis is currently growing at a rate of 0.03% annually and its population has increased by 0.16% since the most recent census, which recorded a population of 7,455 in 2020.
The average household income in St. Louis is $60,041 with a poverty rate of 15.37%. The median age in St. Louis is 38.8 years: 39.4 years for males, and 35.7 years for females. For every 100 females there are 288.4 males.
Data after 2023 is projected based on recent change
The racial composition of St. Louis includes 64.65% White, 25.5% Black or African American, and smaller percentages for other race, Native American, Asian and multiracial populations.
White (64.65%)
Black or African American (25.5%)
Two or more races (7.19%)
Other race (1.78%)
Native American (0.53%)
Asian (0.35%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,478 | 64.65% |
| Black or African American | 1,766 | 25.5% |
| Two or more races | 498 | 7.19% |
| Other race | 123 | 1.78% |
| Native American | 37 | 0.53% |
| Asian | 24 | 0.35% |
Married
Widowed
Divorced
Separated
Never Married
St. Louis' average per capita income is $35,179. Household income levels show a median of $46,096. The poverty rate stands at 15.37%.
Name | Median | Mean |
|---|---|---|
| Married Families | $75,917 | - |
| Families | $57,708 | $73,482 |
| Households | $46,096 | $60,041 |
| Non Families | $29,792 | $34,303 |
Average Income
Median Household Income
Poverty Rate