Columbia

County:: Washington County
County Seat:: No
Area (mi²):: 36.3
State:: Maine

Columbia is located in Washington County, Maine. Columbia has a 2025 population of 439. Columbia is currently declining at a rate of 0% annually and its population has increased by 1.15% since the most recent census, which recorded a population of 434 in 2020.

The average household income in Columbia is $70,806 with a poverty rate of 8.13%. The median age in Columbia is 39 years: 41.2 years for males, and 38.4 years for females.

Demographics

The racial composition of Columbia includes 83.71% White, 3.64% other race, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	483	83.71%
Two or more races	68	11.79%
Other race	21	3.64%
Native American	5	0.87%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Columbia Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Columbia's average per capita income is $35,956. Household income levels show a median of $65,469. The poverty rate stands at 8.13%.

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
Married Families	$95,000	-
Families	$78,125	$83,824
Households	$65,469	$70,806
Non Families	$31,250	$34,949

$35,956

Average Income

$65,469

Median Household Income

8.13%

Poverty Rate