Colchester, Connecticut Population 2024

4,868

Colchester is a city located in New London County Connecticut. Colchester has a 2024 population of 4,868. Colchester is currently declining at a rate of annually and its population has decreased by -5.42% since the most recent census, which recorded a population of 5,147 in 2020.

The average household income in Colchester is $88,853 with a poverty rate of 9.04%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Colchester is 45.9 years, 44.1 years for males, and 49.4 years for females.

Colchester Demographics

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

  • White: 92.13%
  • Other race: 3.23%
  • Black or African American: 2.49%
  • Two or more races: 1.58%
  • Asian: 0.58%
  • Native American:
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
4.5 sq mi
Density (mi²)
1,089.40/sq mi
Growth Since 2020
-5.42% (-279)
The current population of Colchester, Connecticut is 4,868 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 5,147.

Colchester, Connecticut Population 2024

Population by Race

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Race
Population
Percentage (of total)
White4,48592.13%
Other race1573.23%
Black or African American1212.49%
Two or more races771.58%
Asian280.58%
Native American
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Other race

Black or African American

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Colchester Population by Race

Colchester Population Pyramid 2024

Colchester Median Age

45.9

Total

44.1

Male

49.4

Female

Colchester Adults

There are 3,936 adults, (1,278 of whom are seniors) in Colchester.

Colchester Age Dependency

83.1

Age Dependency Ratio

48.1

Old Age Dependency Ratio

35.1

Child Dependency Ratio

Colchester Sex Ratio

Female2,53552.07%
Male2,33347.93%

Colchester Population by Age

Colchester Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,1292.2159.940.1
Married1,0952.8569.130.9
Non Family7951.0845.354.7
Female1873.0167.932.1
Male522.8559.640.4
showing: 5 rows

2.81

Average Family Size

2.21

Average Household Size

59.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Colchester Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Colchester Educational Attainment by Sex (over 25)

Colchester Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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

The highest rate of bachelors degrees is among asian people with a rate of 96.43%.

Colchester Educational Attainment by Race

All

Male

Female

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$51,220

Average Earnings

$58,065

Average Male

$35,250

Average Female

Colchester Earnings by Educational Attainment

Colchester Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Colchester Language

96.24% of Colchester residents speak only English, while 3.76% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.66% of the population.

Colchester Language

Colchester Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White4,2584019.42%
Hispanic2092411.48%
showing: 2 rows

9.04%

Overall Poverty Rate

9.94%

Male Poverty Rate

8.2%

Female Poverty Rate

Poverty in Colchester

The race most likely to be in poverty in Colchester is Hispanic, with 11.48% below the poverty level.

The race least likely to be in poverty in Colchester is White, with 9.42% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.1%. Among those working part-time, it was 5.27%, and for those that did not work, the poverty rate was 12.51%.

Colchester Poverty

rate

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Rate
Poverty
High School13.87%
Some College6.59%
Less Than 9th Grade5.97%
Bachelors or Greater1.02%
showing: 4 rows

Colchester Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed18.57%
Female Employed7.52%
Male Employed3.5%
Male Unemployed
showing: 4 rows

Colchester Poverty Rate by Employment Status and Sex

Colchester Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Colchester Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.3%

Overall Marriage Rate

59.0%

Male Marriage Rate

52.0%

Female Marriage Rate

Colchester Married by Age and Sex

male

female

Colchester 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 55-64.

Colchester Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Colchester Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

382

Number of Veterans

345

Male Veterans

37

Female Veterans

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Colchester Veterans by War

count

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Colchester Veterans by Age

count

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Colchester Veterans by Race

Colchester Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

17.6%

Veteran Poverty Rate

28.77%

Veteran Disability Rate

Colchester Veterans by Education

LaborForceParticipation

56.3%

Labor Force Participation

51.5%

Employment Rate

8%

Unemployment Rate

Colchester Employment by Age

LaborForceParticipation

Colchester Employment by Race

LaborForceParticipation

Colchester 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

61.28%

Born in Colchester

95.15%

Native Born

4.85%

Foreign Born

2.73%

Non Citizen

2.12%

Naturalized

Place of Birth

95.15% of Colchester residents were born in the United States, with 61.28% having been born in Connecticut. 2.73% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Colchester Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20244,868
20234,868
20224,868-125-2.5%
20214,993-154-2.99%
20205,1473597.5%
20194,788-260-5.15%
20185,0481693.46%
20174,8794049.03%
20164,4751663.85%
20154,309-105-2.38%
20144,414410.94%
20134,373-144-3.19%
20124,5172104.88%
20114,307-474-9.91%
20104,781
showing: 15 rows

Colchester Population by Year