Mainville is a CDP located in Columbia County, Pennsylvania. Mainville has a 2026 population of 120. Mainville is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median household income in Mainville is $36,250 with a poverty rate of 39.13%. The median age in Mainville is 40.6 years: 40.4 years for males, and 45.5 years for females. For every 100 females there are 91.7 males.
Data after 2023 is projected based on recent change
Overall: 40.6 years
Female: 45.5 years
Male: 40.4 years
There are 86 adults, (18 of whom are seniors) in Mainville.
Female: 60 (52.2%)
Male: 55 (47.8%)
The racial composition of Mainville includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 115 | 100% |
Mainville 's average per capita income is $0. Household income levels show a median of $36,250. The poverty rate stands at 39.13%.
| Name | Median ↓ | Mean |
|---|---|---|
| Households | $36,250 | $46,366 |
| Non Families | $31,250 | $41,773 |
| Families | - | $49,338 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate