Castleton is located in Barry County, Michigan. Castleton has a 2025 population of 3,442 . Castleton is currently growing at a rate of 0.2% annually and its population has increased by 3.18% since the most recent census, which recorded a population of 3,336 in 2020.
The average household income in Castleton is $68,604 with a poverty rate of 12.54%. The median age in Castleton is 38.6 years: 38.2 years for males, and 39.5 years for females. For every 100 females there are 88.7 males.
Data after 2023 is projected based on recent change
The racial composition of Castleton includes 96.19% White, and smaller percentages for Asian, Native American, other race and multiracial populations.
White (96.19%)
Two or more races (3.31%)
Asian (0.21%)
Native American (0.15%)
Other race (0.15%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,259 | 96.19% |
| Two or more races | 112 | 3.31% |
| Asian | 7 | 0.21% |
| Native American | 5 | 0.15% |
| Other race | 5 | 0.15% |
Married
Widowed
Divorced
Separated
Never Married
Castleton's average per capita income is $43,360. Household income levels show a median of $57,043. The poverty rate stands at 12.54%.
Name | Median | Mean |
|---|---|---|
| Married Families | $98,288 | - |
| Families | $78,523 | $90,069 |
| Households | $57,043 | $68,604 |
| Non Families | $32,045 | $36,548 |
Average Income
Median Household Income
Poverty Rate