Colchester, Connecticut Population 2021

15,659
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Colchester is a city located in New London County Connecticut. Colchester has a 2020 population of 15,659. Colchester is currently declining at a rate of -0.48% annually and its population has decreased by -2.13% since the most recent census, which recorded a population of 16,000 in 2010. Colchester reached it's highest population of 16,072 in 2012.

The average household income in Colchester is $119,617 with a poverty rate of 7.12%. The median rental costs in recent years comes to $1,263 per month, and the median house value is $255,500. The median age in Colchester is 42.5 years, 40.6 years for males, and 44 years for females.

Colchester Demographics

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

  • White: 92.53%
  • Asian: 2.31%
  • Black or African American: 1.94%
  • Two or more races: 1.85%
  • Other race: 1.02%
  • Native American: 0.36%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Colchester, Connecticut is 15,659 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 15,884.The last official US Census in 2010 recorded the population at 16,000.

Colchester, Connecticut Population 2021

Population by Race

Race Population Percentage
White14,67692.53%
Asian3662.31%
Black or African American3071.94%
Two or More Races2931.85%
Some Other Race1611.02%
American Indian and Alaska Native570.36%
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Colchester Population by Race

Colchester Population Pyramid $2021

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Colchester Median Age

42.5


Total

40.6


Male

44


Female

Colchester Adults

There are 12,131 adults, (2,249 of whom are seniors) in Colchester.

Colchester Age Dependency

60.5

Age Dependency Ratio

22.8

Old Age Dependency Ratio

37.7

Child Dependency Ratio

Colchester Sex Ratio

Female

7,848

49.48%

Male

8,012

50.52%

Colchester Population by Age

Colchester Renter vs Owner Occupied by Household Type

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Colchester Household Types

Type Owner Renter
Married88%12%
Male77%23%
All76.8%23.2%
Non Family62.8%37.2%
Female50.8%49.2%

76.8%

Rate of Home Ownership

Colchester Households and Families

Type Count Average Size Owned
All5,9852.6176.8
Married3,3573.1488
Non Family1,7261.3562.8
Female5102.9850.8
Male3923.1577

3.06

Average Family Size

2.61

Average Household Size

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Colchester Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1201.09%
9th to 12th Grade3543.21%
High School Graduate2,68824.39%
Some College2,36921.49%
Associates Degree1,0439.46%
Bachelors Degree2,72324.70%
Graduate Degree1,72615.66%
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Colchester Educational Attainment by Sex (over 25)

Colchester Educational Attainment by Race

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Race Total High School Bachelors
White9,9849,5493,886
Hispanic369354198
Black289275116
Asian285285186
Other Race104104102
Native American574724
2+ Races393939

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 100.00%.

Colchester Educational Attainment by Race

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Name Average Male Female
Overall$60,409$69,664$49,878
Less Than 9th Grade$$13,015$
High School Graduate$49,048$63,542$27,296
Some College$49,209$59,444$43,819
Bachelors Degree$67,202$82,988$56,192
Graduate Degree$86,989$101,190$71,328

$60,409

Average Earnings

$69,664

Average Male

$49,878

Average Female

Colchester Earnings by Educational Attainment

Colchester Language by Age

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Colchester Language

93.20% of Colchester residents speak only English, while 6.80% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.67% of the population.

Colchester Language

Colchester Poverty by Race

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Name Total In Poverty Poverty Rate
White14,0679526.77%
Hispanic6357812.28%
Multiple2935017.06%
Native572340.35%
Black307144.56%

7.12%

Overall Poverty Rate

7.28%

Male Poverty Rate

6.96%

Female Poverty Rate

Poverty in Colchester

The race most likely to be in poverty in Colchester is Native, with 40.35% below the poverty level.

The race least likely to be in poverty in Colchester is Black, with 4.56% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.34%. Among those working part-time, it was 8.64%, and for those that did not work, the poverty rate was 11.94%.

Colchester Poverty

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Name Poverty
Less Than 9th Grade14.01%
High School7.71%
Some College7.14%
Bachelors or Greater0.74%

Colchester Poverty Rate by Education

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Rate Poverty
Male Unemployed12.85%
Female Unemployed6.69%
Male Employed2.83%
Female Employed2.38%

Colchester Poverty Rate by Employment Status and Sex

Colchester Income by Household Type

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Name Median Mean
Households$105,281$119,617
Families$120,188$135,109
Married Families$128,125-
Non Families$59,868$74,933
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Income by Household Type

Colchester Marital Status

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Marriage Rates

55.2%

Overall Marriage Rate

54.8%

Male Marriage Rate

55.6%

Female Marriage Rate

Colchester Married by Age and Sex

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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

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Colchester Marital Status

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1,159

Number of Veterans

1,069

Male Veterans

90

Female Veterans

War Veterans
Vietnam514
First Gulf War271
Second Gulf War222
Korea45
World War II32

Colchester Veterans by War

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Age Group Veterans
75+315
35 to 54292
65 to 74286
55 to 64209
18 to 3457

Colchester Veterans by Age

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Name Veterans % of Total
White1,0629.52%
Black8730.10%
Native American1017.54%
Hispanic92.19%

Colchester Veterans by Race

Colchester Veterans by Education

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4.18%

Veteran Poverty Rate

25.53%

Veteran Disability Rate

Colchester Veterans by Education

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73.5%

Labor Force Participation

69%

Employment Rate

5.1%

Unemployment Rate

Colchester Employment by Age

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Colchester Employment by Race

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Colchester Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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67.69%

Born in Colchester

95.47%

Native Born

4.53%

Foreign Born

1.89%

Non Citizen

2.64%

Naturalized

Place of Birth

95.47% of Colchester residents were born in the United States, with 67.69% having been born in Connecticut. 1.89% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Colchester Place of Birth

Year Population Growth Annual Growth Rate
202115,659-75-0.48%
202015,734-75-0.47%
201915,809-75-0.47%
201815,884-30-0.19%
201715,914800.51%
201615,834-57-0.36%
201515,891-93-0.58%
201415,984-36-0.22%
201316,020-52-0.32%
201216,072460.29%
201116,026260.16%
201016,0000.00%

Colchester Population by Year