Grattan is located in Kent County, Michigan. Grattan has a 2025 population of 3,910 . Grattan is currently growing at a rate of 0.83% annually and its population has increased by 2.6% since the most recent census, which recorded a population of 3,811 in 2020.
The average household income in Grattan is $141,517 with a poverty rate of 3.78%. The median age in Grattan is 48 years: 50.3 years for males, and 44.3 years for females. For every 100 females there are 103.3 males.
Data after 2023 is projected based on recent change
The racial composition of Grattan includes 94.81% White, and smaller percentages for Native American, Asian, Black or African American and multiracial populations.
White (94.81%)
Two or more races (4.49%)
Native American (0.37%)
Asian (0.21%)
Black or African American (0.13%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,614 | 94.81% |
| Two or more races | 171 | 4.49% |
| Native American | 14 | 0.37% |
| Asian | 8 | 0.21% |
| Black or African American | 5 | 0.13% |
Married
Widowed
Divorced
Separated
Never Married
Grattan's average per capita income is $70,926. Household income levels show a median of $109,125. The poverty rate stands at 3.78%.
Name | Median | Mean |
|---|---|---|
| Married Families | $125,700 | - |
| Families | $125,266 | $167,307 |
| Households | $109,125 | $141,517 |
| Non Families | $37,550 | $62,367 |
Average Income
Median Household Income
Poverty Rate