Mainville is a CDP located in Columbia County, Pennsylvania. Mainville has a 2025 population of 152 . Mainville is currently growing at a rate of 0.66% annually and its population has increased by 21.6% since the most recent census, which recorded a population of 125 in 2020.
The average household income in Mainville is $47,049 with a poverty rate of 41.8%. The median age in Mainville is 48.2 years: 40.9 years for males, and 48.3 years for females. For every 100 females there are 84.8 males.
Data after 2023 is projected based on recent change
The racial composition of Mainville includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 122 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Mainville's average per capita income is $0. Household income levels show a median of $35,625. The poverty rate stands at 41.8%.
Name | Median | Mean |
|---|---|---|
| Households | $35,625 | $47,049 |
| Non Families | $31,250 | $39,591 |
| Families | - | $51,563 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate