Columbia Flag

Columbia

County:
Warren County
County Seat:
No
Area (mi²):
0.1
State:
New Jersey

Columbia is a CDP located in Warren County, New Jersey. Columbia has a 2025 population of 204. Columbia is currently declining at a rate of -0.97% annually but its population has increased by 42.66% since the most recent census, which recorded a population of 143 in 2020.

The average household income in Columbia is $92,851 with a poverty rate of 13.39%.The median age in Columbia is 55.6 years: 56 years for males, and 55.1 years for females.

204
Total Population
2,038
Density (mi²)
-2 -0.97%
Growth

Columbia Population

Columbia Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Columbia includes 96.05% White, 3.95% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White14696.05%
Other race63.95%

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 $51,538. Household income levels show a median of $84,531. The poverty rate stands at 13.39%.

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$84,531$92,851
Families$67,500$81,538
Married Families$51,786-
Non Families--

$51,538

Average Income

$84,531

Median Household Income

13.39%

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)