Mainville

County:: Columbia County
County Seat:: No
Area (mi²):: 0.697
State:: Pennsylvania

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.

Demographics

The racial composition of Mainville includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	122	100%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Mainville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mainville's average per capita income is $0. Household income levels show a median of $35,625. The poverty rate stands at 41.8%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Households	$35,625	$47,049
Non Families	$31,250	$39,591
Families	-	$51,563
Married Families	-	-

$0

Average Income

$35,625

Median Household Income

41.8%

Poverty Rate