Columbia Flag

Columbia

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

Columbia is located in Washington County, Maine. Columbia has a 2025 population of 435. Columbia is currently declining at a rate of -0.23% annually but its population has increased by 0.23% 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.

435
Total Population
12
Density (mi²)
-1 -0.23%
Growth

Columbia Population

Columbia Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Columbia includes 83.71% White, 3.64% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

White (83.7%)

Two or more races (11.8%)

Other race (3.6%)

Native American (0.9%)

Race
Population
Percentage (of total)
White48383.71%
Two or more races6811.79%
Other race213.64%
Native American50.87%

Columbia Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)