Columbia, Connecticut Population 2024

5,278

Columbia Demographics

According to the most recent ACS, the racial composition of Columbia was:

  • White: 90.13%
  • Two or more races: 5.61%
  • Other race: 2.12%
  • Black or African American: 1.86%
  • Native American: 0.28%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
21.4 sq mi
Density (mi²)
247.0/sq mi
Growth Since 2020
0.17% (9)
The current population of Columbia, Connecticut is 5,278 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 5,269.

Population by Race

Race
Population
Percentage (of total)
White4,75990.13%
Two or more races2965.61%
Other race1122.12%
Black or African American981.86%
Native American150.28%
Asian00%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Columbia Population by Race

Columbia Population Pyramid 2024

Columbia Median Age

53.5

Total

54

Male

50.3

Female

Columbia Adults

There are 4,611 adults, (1,340 of whom are seniors) in Columbia.

Columbia Age Dependency

61.4

Age Dependency Ratio

41

Old Age Dependency Ratio

20.5

Child Dependency Ratio

Columbia Sex Ratio

Female2,30843.71%
Male2,97256.29%

Columbia Population by Age

Columbia Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,1612.4285.714.3
Married1,3272.7899.40.6
Non Family4791.88614
Male2821.7119.580.5
Female732.868911

2.56

Average Family Size

2.42

Average Household Size

85.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Columbia Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1132.57%
Associates Degree2846.46%
Bachelors Degree82318.73%
Graduate Degree55212.56%
High School Graduate1,38331.47%
Less Than 9th Grade4229.6%
Some College81718.59%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Columbia Educational Attainment by Sex (over 25)

Columbia Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White3,8713,3841,202
Hispanic21216893
2+ Races17217269
Black98940
Other Race787829
Native American1500

The highest rate of high school graduation is among other race people with a rate of 100%.

The highest rate of bachelors degrees is among hispanic people with a rate of 43.87%.

Columbia Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$88,300$114,392$73,670
Graduate Degree$100,192$130,923$79,444
High School Graduate$52,404$70,066$35,833
Less Than 9th Grade$51,000$44,219$0
Overall$73,085$87,151$55,000
Some College$65,750$99,559$52,426

$73,085

Average Earnings

$87,151

Average Male

$55,000

Average Female

Columbia Earnings by Educational Attainment

Columbia Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Columbia Language

97.08% of Columbia residents speak only English, while 2.92% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.88% of the population.

Columbia Language

Columbia Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White4,5532746.02%
Black985354.08%

6.19%

Overall Poverty Rate

4.31%

Male Poverty Rate

8.62%

Female Poverty Rate

Poverty in Columbia

The race most likely to be in poverty in Columbia is Black, with 54.08% below the poverty level.

The race least likely to be in poverty in Columbia is White, with 6.02% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.38%. Among those working part-time, it was 1.87%, and for those that did not work, the poverty rate was 16.59%.

Columbia Poverty

rate

Rate
Poverty
High School12.44%
Some College10.26%
Less Than 9th Grade7.85%
Bachelors or Greater0%

Columbia Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed9.52%
Female Employed1.19%
Male Employed0%
Female Unemployed0%

Columbia Poverty Rate by Employment Status and Sex

Columbia Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$124,235$131,524
Households$124,311$129,810
Married Families$142,868$-999,999,999
Non Families$114,402$119,377

mean

median

Income by Household Type

Columbia Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

56.0%

Overall Marriage Rate

51.1%

Male Marriage Rate

62.5%

Female Marriage Rate

Columbia Married by Age and Sex

male

female

Columbia Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Columbia Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Columbia Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

601

Number of Veterans

560

Male Veterans

41

Female Veterans

War
Veterans
Vietnam284
Second Gulf War49
First Gulf War47
Korea43
World War II15

Columbia Veterans by War

count

Age Group
Veterans
65 to 74223
75+166
55 to 6497
35 to 5466
18 to 3449

Columbia Veterans by Age

count

Name
Veterans
% of Total
White52612.38%
Hispanic6631.13%
Black4545.92%
Other Race3038.46%

Columbia Veterans by Race

Columbia Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

14.31%

Veteran Poverty Rate

42.43%

Veteran Disability Rate

Columbia Veterans by Education

LaborForceParticipation

60.5%

Labor Force Participation

57.2%

Employment Rate

5.4%

Unemployment Rate

Columbia Employment by Age

LaborForceParticipation

Columbia Employment by Race

LaborForceParticipation

Columbia Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

68.03%

Born in Columbia

97.05%

Native Born

2.95%

Foreign Born

0%

Non Citizen

2.95%

Naturalized

Place of Birth

97.05% of Columbia residents were born in the United States, with 68.03% having been born in Connecticut. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Columbia Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20295,328100.19%
20285,318100.19%
20275,308100.19%
20265,298100.19%
20255,288100.19%
20245,278100.19%
20235,268100.19%
20225,258-10-0.19%
20215,268-1-0.02%
20205,269-118-2.19%
20195,387-17-0.31%
20185,404-17-0.31%
20175,421-5-0.09%
20165,426-13-0.24%
20155,439-12-0.22%
20145,451-7-0.13%
20135,458-8-0.15%
20125,466-12-0.22%
20115,478-3-0.05%
20105,48100%

Columbia Population by Year