Plain is located in Franklin County, Ohio. Plain has a 2025 population of 13,020. Plain is currently growing at a rate of 0.35% annually and its population has increased by 2.09% since the most recent census, which recorded a population of 12,754 in 2020.
The average household income in Plain is $318,922 with a poverty rate of 2.58%. The median age in Plain is 41 years: 40.7 years for males, and 41.6 years for females.
Data after 2023 is projected based on recent change
The racial composition of Plain includes 77.21% White, 8.62% Asian, and smaller percentages for Black or African American, other race and multiracial populations.
White (77.2%)
Two or more races (11.1%)
Asian (8.6%)
Black or African American (2.9%)
Other race (0.2%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,868 | 77.21% |
| Two or more races | 1,414 | 11.06% |
| Asian | 1,102 | 8.62% |
| Black or African American | 366 | 2.86% |
| Other race | 31 | 0.24% |
Married
Widowed
Divorced
Separated
Never Married
Plain's average per capita income is $103,859. Household income levels show a median of $210,083. The poverty rate stands at 2.58%.
Name | Median | Mean |
|---|---|---|
| Married Families | $244,167 | - |
| Families | $234,531 | $351,795 |
| Households | $210,083 | $318,922 |
| Non Families | $65,882 | $111,045 |
Average Income
Median Household Income
Poverty Rate