United States › Connecticut › Groton CITY · 2010 ACS
Groton Connecticut · 10,389 residents · 3.08 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
With 10,389 people, Groton is a city in Connecticut. Owners hold 42% of the housing stock. This skews young, with a median age of 30.7. That trails the Connecticut median by roughly 27%. The average commute runs 16 minutes. 8% of people here were born outside the United States.
At a glance
Lower income
below the US median
US median: $52,703
Younger
median age 30.7
US median: 37.2
Average education
25% hold a bachelor's degree
US average: 28%
Less affordable
home values up 48%, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 31.6 in 2000
US average: 37.2
Population, 1990 – 2024
9K 9K 10K 10K 11K 1990 2000 2010 2020 2024 Groton Age distribution, 2010
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Section 02
Income & economy $49,464
−4%inflation adjusted, since 2000
from $40,515 in 2000
US average: $52,703
from $22,239 in 2000
US average: $27,286
Households earning $100K+
from 30.9% in 2009
US average: 33.3%
from 9.9% in 2000
US average: 13.8%
Workforce by industry, 2010
Professional, scientific, technical 1.8%
Transportation & warehousing 1.5%
Public administration 0.9%
Arts, entertainment, food 0.8%
Education & health services 0.4%
Agriculture, forestry, fishing 0%
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$231,700
+48%inflation adjusted, since 2000
from $123,500 in 2000
US average: $225,659
$924
+18%inflation adjusted, since 2000
from $620 in 2000
US average: $853
from 39.9% in 2000
57.7% rent
from 11.7% in 2009
US average: 12.1%
from 2.25 people in 2009
US average: 2.60
from 28.3% in 2009
US average: 30.9%
from 36.3% in 2009
US average: 46.8%
from 4.4 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 74.8%(7,485)
Hispanic / Latino 7.7%(773)
2010
White, non-Hispanic 63.5%(6,593)
Hispanic / Latino 14.6%(1,520)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 24 more ancestry groups with data from 18.8% in 2000
US average: 27.9%
High school or higher
from 89.5% in 2000
US average: 84.9%
from 7.1% in 2000
US average: 10.2%
Section 06
Commute & transportation from 12.2 min in 2000
US average: 25.2
from 75.5% in 2009
US average: 76.2%
from 12.5% in 2009
US average: 10.4%
from 2.8% in 2009
US average: 4.7%
from 1.9% in 2009
US average: 4.1%
from 6.6% in 2009
US average: 2.8%
from 0.6% in 2009
US average: 0.5%
from 10.9% in 2009
US average: 8.7%
Section 07
Work & employment from 12.7% in 2009
US average: 12.9%
from 36.4% in 2009
US average: 35.2%
Section 08
People & community from 8.1% in 2009
US average: 12.8%
from 11.6% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 42.9%(1,742)
Women 15+
Never married 39.9%(1,654)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 9.2% in 2013
US average: 8.4%
from 52.5% in 2020
US average: 54.8%
Direct-purchase
from 8.2% in 2020
US average: 13.8%
from 16.0% in 2020
US average: 18.4%
from 31.8% in 2020
US average: 20.9%
VA health care
from 1.1% in 2020
US average: 2.2%
Any private
from 63.1% in 2020
US average: 67.1%
Any public
from 42.2% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 39.9%(242)
Gulf War (1990s) 44.7%(271)
Share of the 606 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Groton Head to head
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Frequently asked
How many people live in Groton, Connecticut? Groton, Connecticut has about 10,389 residents according to the 2010 American Community Survey.
What is the median household income in Groton, Connecticut? The typical household in Groton, Connecticut earns about $49,464 a year. Half of households make more than that, and half make less.
Is Groton, Connecticut expensive? In Groton, Connecticut, the median home is worth about $231,700, and the typical rent is about $924 a month.
How educated are people in Groton, Connecticut? About 25.2% of adults age 25 and over in Groton, Connecticut hold a bachelor's degree or higher.
What is the poverty rate in Groton, Connecticut? About 11.5% of people in Groton, Connecticut live below the federal poverty line.
Has Groton, Connecticut grown since 1990? Yes, Groton, Connecticut has grown since 1990. The population has added about 552 residents, a change of about 6 percent over that period.
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