Columbia, Connecticut Population 2024

5,278

Columbia Demographics

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

  • White: 90.11%
  • Two or more races: 5.37%
  • Black or African American: 2.16%
  • Other race: 2.11%
  • Native American: 0.25%
  • 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)
White4,74790.11%
Two or more races2835.37%
Black or African American1142.16%
Other race1112.11%
Native American130.25%
Asian00%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Columbia Population by Race

Columbia Population Pyramid 2024

Columbia Median Age

49.6

Total

53.7

Male

46.4

Female

Columbia Adults

There are 4,626 adults, (1,293 of whom are seniors) in Columbia.

Columbia Age Dependency

58.1

Age Dependency Ratio

38.8

Old Age Dependency Ratio

19.3

Child Dependency Ratio

Columbia Sex Ratio

Female2,36844.95%
Male2,90055.05%

Columbia Population by Age

Columbia Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,1222.4683.616.4
Married1,2782.8599.40.6
Non Family4921.8579.920.1
Male2691.6114.585.5
Female832.958812

2.62

Average Family Size

2.46

Average Household Size

83.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Columbia Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1182.72%
Associates Degree2585.95%
Bachelors Degree79218.28%
Graduate Degree65915.21%
High School Graduate1,15926.75%
Less Than 9th Grade4219.72%
Some College92621.37%

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
White3,8093,3171,294
Hispanic19815572
2+ Races17017073
Black1141100
Other Race767629
Native American1300

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 2+ races people with a rate of 42.94%.

Columbia Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$67,448$0$66,250
Graduate Degree$105,962$137,913$83,403
High School Graduate$54,464$73,015$38,450
Less Than 9th Grade$53,194$46,600$0
Overall$68,674$85,169$56,324
Some College$62,109$86,959$52,419

$68,674

Average Earnings

$85,169

Average Male

$56,324

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

96.23% of Columbia residents speak only English, while 3.77% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.5% of the population.

Columbia Language

Columbia Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White4,5262896.39%
Black1146254.39%

6.66%

Overall Poverty Rate

4.76%

Male Poverty Rate

8.99%

Female Poverty Rate

Poverty in Columbia

The race most likely to be in poverty in Columbia is Black, with 54.39% below the poverty level.

The race least likely to be in poverty in Columbia is White, with 6.39% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.4%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 19.5%.

Columbia Poverty

rate

Rate
Poverty
High School14.58%
Some College11.06%
Less Than 9th Grade9.46%
Bachelors or Greater0%

Columbia Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed11.96%
Male Employed0%
Female Employed0%
Female Unemployed0%

Columbia Poverty Rate by Employment Status and Sex

Columbia Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$124,297$140,136
Households$122,500$136,474
Married Families$143,721$-999,999,999
Non Families$118,370$121,366

mean

median

Income by Household Type

Columbia Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

54.3%

Overall Marriage Rate

49.1%

Male Marriage Rate

61.1%

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 35-44, 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

525

Number of Veterans

486

Male Veterans

39

Female Veterans

War
Veterans
Vietnam302
First Gulf War47
Korea26
Second Gulf War22
World War II16

Columbia Veterans by War

count

Age Group
Veterans
65 to 74234
75+142
55 to 6464
35 to 5463
18 to 3422

Columbia Veterans by Age

count

Name
Veterans
% of Total
White44310.42%
Black5245.61%
Other Race3039.47%
Hispanic126.06%

Columbia Veterans by Race

Columbia Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

17.71%

Veteran Poverty Rate

49.33%

Veteran Disability Rate

Columbia Veterans by Education

LaborForceParticipation

60.9%

Labor Force Participation

57.5%

Employment Rate

5.6%

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

67.9%

Born in Columbia

96.98%

Native Born

3.02%

Foreign Born

0%

Non Citizen

3.02%

Naturalized

Place of Birth

96.98% of Columbia residents were born in the United States, with 67.9% 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