Groton, Connecticut Population 2022

8,662
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Groton is a city located in New London County Connecticut. Groton has a 2020 population of 8,662. Groton is currently declining at a rate of -0.95% annually and its population has decreased by -7.61% since the most recent census, which recorded a population of 9,375 in 2010.

The average household income in Groton is $66,939 with a poverty rate of 13.07%. The median rental costs in recent years comes to $971 per month, and the median house value is $223,300. The median age in Groton is 35.7 years, 31.4 years for males, and 38.3 years for females.

Groton Demographics

According to the most recent ACS, the racial composition of Grotonwas:

  • White: 67.35%
  • Two or more races: 9.99%
  • Black or African American: 9.38%
  • Asian: 7.37%
  • Other race: 5.80%
  • Native American: 0.11%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Groton, Connecticut is 8,662 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 8,662.The last official US Census in 2010 recorded the population at 9,375.

Groton, Connecticut Population 2022

Population by Race

Race Population Percentage
White6,06167.35%
Black or African American8449.38%
American Indian and Alaska Native100.11%
Asian6637.37%
Some Other Race5225.80%
Two or More Races8999.99%
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Groton Population by Race

Groton Population Pyramid 2022

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Groton Median Age

34.2


Total

32.2


Male

36


Female

Groton Adults

There are 7,214 adults, (1,202 of whom are seniors) in Groton.

Groton Age Dependency

Age Dependency Ratio

20

Old Age Dependency Ratio

29.7

Child Dependency Ratio

Groton Sex Ratio

Female

4,567

50.75%

Male

4,432

49.25%

Groton Population by Age

Groton Renter vs Owner Occupied by Household Type

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Groton Household Types

Type Owner Renter
Married79.7%20.3%
All38.1%61.9%
Non Family27.1%72.9%
Male21.6%78.4%
Female14.5%85.5%

38.1%

Rate of Home Ownership

Groton Households and Families

Type Count Average Size Owned
All4,5491.9838.1
Married1,1852.7779.7
Male3942.5521.6
Female8052.8514.5
Non Family2,1651.1127.1

2.63

Average Family Size

1.98

Average Household Size

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Groton Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2213.68%
9th to 12th Grade2323.86%
High School Graduate1,80129.96%
Some College1,52225.32%
Associates Degree2854.74%
Bachelors Degree1,22420.36%
Graduate Degree72612.08%
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Groton Educational Attainment by Sex (over 25)

Groton Educational Attainment by Race

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Race Total High School Bachelors
Asian441431364
White4,0473,8631,354
2+ Races35731992
Other Race18118129
Hispanic864700130
Black53343843
Native American1010

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

The highest rate of bachelors degrees is among asian people with a rate of 82.54%.

Groton Educational Attainment by Race

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Name Average Male Female
Overall$39,103$46,934$31,328
Less Than 9th Grade$$$
High School Graduate$30,406$37,786$21,971
Some College$31,182$35,000$30,392
Bachelors Degree$67,118$73,587$61,364
Graduate Degree$75,417$76,250$75,089

$39,103

Average Earnings

$46,934

Average Male

$31,328

Average Female

Groton Earnings by Educational Attainment

Groton Language by Age

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Groton Language

82.64% of Groton residents speak only English, while 17.36% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.84% of the population.

Groton Language

Groton Poverty by Race

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Name Total In Poverty Poverty Rate
Black84030836.67%
Multiple89832035.63%
Hispanic1,89827014.23%
White5,0653436.77%
Other13NaN%

13.07%

Overall Poverty Rate

11.37%

Male Poverty Rate

14.71%

Female Poverty Rate

Poverty in Groton

The race most likely to be in poverty in Groton is Black, with 36.67% below the poverty level.

The race least likely to be in poverty in Groton is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.27%. Among those working part-time, it was 20.80%, and for those that did not work, the poverty rate was 21.94%.

Groton Poverty

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Name Poverty
Less Than 9th Grade29.14%
High School16.27%
Some College5.64%
Bachelors or Greater3.49%

Groton Poverty Rate by Education

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Rate Poverty
Male Employed4.05%
Male Unemployed0.00%
Female Employed11.93%
Female Unemployed51.55%

Groton Poverty Rate by Employment Status and Sex

Groton Income by Household Type

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Name Median Mean
Households$51,941$69,507
Families$58,790$81,920
Married Families$111,659-
Non Families$36,837$51,518
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Income by Household Type

Groton Marital Status

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Marriage Rates

33.6%

Overall Marriage Rate

32.1%

Male Marriage Rate

35.0%

Female Marriage Rate

Groton Married by Age and Sex

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Groton Marriage

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

Groton Marital Status by Race

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Groton Marital Status

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445

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War134
First Gulf War111
Vietnam133
Korea50
World War II40

Groton Veterans by War

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Age Group Veterans
18 to 3449
35 to 5487
55 to 6472
65 to 7478
75+159

Groton Veterans by Age

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Name Veterans % of Total
White3817.57%
Black457.84%
2+ Races193.51%
Hispanic433.71%

Groton Veterans by Race

Groton Veterans by Education

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4.94%

Veteran Poverty Rate

35.73%

Veteran Disability Rate

Groton Veterans by Education

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73.7%

Labor Force Participation

66.2%

Employment Rate

5.9%

Unemployment Rate

Groton Employment by Age

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Groton Employment by Race

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Groton 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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46.79%

Born in Groton

88.39%

Native Born

11.61%

Foreign Born

6.17%

Non Citizen

5.45%

Naturalized

Place of Birth

88.39% of Groton residents were born in the United States, with 46.79% having been born in Connecticut. 6.17% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Groton Place of Birth

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
19204,2360.00%
19304,122-114-0.27%
19404,7195971.36%
19507,0362,3174.08%
196010,1113,0753.69%
19708,933-1,178-1.23%
198010,0861,1531.22%
19909,837-249-0.25%
200010,0101730.17%
20109,375-635-0.65%
20119,338-37-0.39%
20129,348100.11%
20139,293-55-0.59%
20149,237-56-0.60%
20159,144-93-1.01%
20169,080-64-0.70%
20179,046-34-0.37%
20188,994-52-0.57%
20198,911-83-0.92%
20208,828-83-0.93%
20218,745-83-0.94%
20228,662-83-0.95%

Groton Population by Year