Groton city, Connecticut demographics
Population: 9,333
Median age: 37.7
Median household income: 58,911
Groton is a city in New London County, Connecticut, United States.
Demographics, population, home values, social and economic characteristics of Groton city, CT.
Population
| 2021 | 9,333 |
| 2020 | 8,999 |
| 2019 | 9,030 |
| 2018 | 9,109 |
| 2017 | 9,184 |
| 2016 | 9,240 |
| 2015 | 9,305 |
| 2014 | 9,348 |
| 2013 | 9,569 |
| 2012 | 9,734 |
| 2011 | 10,305 |
| 2010 | 10,225 |
| 2009 | 9,388 |
Census data for Groton city, Connecticut
Demographic and housing estimates in Groton city, Connecticut
| Total population | 9,333 |
| Male | 4,872 |
| Female | 4,461 |
| Total population | 9,333 |
| Under 5 years | 502 |
| 5 to 9 years | 486 |
| 10 to 14 years | 512 |
| 15 to 19 years | 455 |
| 20 to 24 years | 855 |
| 25 to 34 years | 1,560 |
| 35 to 44 years | 1,106 |
| 45 to 54 years | 973 |
| 55 to 59 years | 830 |
| 60 to 64 years | 735 |
| 65 to 74 years | 730 |
| 75 to 84 years | 335 |
| 85 years and over | 254 |
| Median age (years) | 37.7 |
| Under 18 years | 1,718 |
| 16 years and over | 7,792 |
| 18 years and over | 7,615 |
| 21 years and over | 7,209 |
| 62 years and over | 1,689 |
| 65 years and over | 1,319 |
| Total population | 9,333 |
| One race | 8,235 |
| White | 6,306 |
| Black or African American | 815 |
| American Indian and Alaska Native | 16 |
| Asian | 709 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 389 |
| Two or more races | 1,098 |
| Citizen, VOTING AGE 18 and over population | 7,130 |
| Male Citizen, VOTING AGE 18 and over population | 3,691 |
| Female Citizen, VOTING AGE 18 and over population | 3,439 |
Social characteristics in Groton city, Connecticut
| Total households | 4,689 |
| Family households (families) | 1,209 |
| Married-couple family | 285 |
| Male householder, no wife present, family | 1,583 |
| Female householder, no husband present, family | 1,256 |
| Nonfamily households | 1,612 |
| Average household size | 1,137 |
| Average family size | 1.99 |
Economic characteristics in Groton city, Connecticut
| Total households | 4,689 |
| Less than $10,000 | 330 |
| $10,000 to $14,999 | 222 |
| $15,000 to $24,999 | 575 |
| $25,000 to $34,999 | 353 |
| $35,000 to $49,999 | 540 |
| $50,000 to $74,999 | 810 |
| $75,000 to $99,999 | 617 |
| $100,000 to $149,999 | 689 |
| $150,000 to $199,999 | 265 |
| $200,000 or more | 288 |
| Median household income (dollars) | 58,911 |
Housing characteristics in Groton city, Connecticut
| Total housing units | 5,137 |
| Occupied housing units | 4,689 |
| Vacant housing units | 448 |
| Total housing units | 5,137 |
| 1-unit, detached | 1,830 |
| 1-unit, attached | 201 |
| 2 units | 442 |
| 3 or 4 units | 971 |
| 5 to 9 units | 756 |
| 10 to 19 units | 196 |
| 20 or more units | 741 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 5,137 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 37 |
| Built 2000 to 2009 | 347 |
| Built 1990 to 1999 | 443 |
| Built 1980 to 1989 | 303 |
| Built 1970 to 1979 | 1,318 |
| Built 1960 to 1969 | 734 |
| Built 1950 to 1959 | 808 |
| Built 1940 to 1949 | 191 |
| Built 1939 or earlier | 956 |
| Total housing units | 5,137 |
| 1 room | 117 |
| 2 rooms | 371 |
| 3 rooms | 830 |
| 4 rooms | 1,089 |
| 5 rooms | 923 |
| 6 rooms | 728 |
| 7 rooms | 380 |
| 8 rooms | 256 |
| 9 rooms or more | 443 |
| Median rooms | 4.7 |
| Total housing units | 5,137 |
| No bedroom | 142 |
| 1 bedroom | 1,371 |
| 2 bedrooms | 1,920 |
| 3 bedrooms | 1,084 |
| 4 bedrooms | 457 |
| 5 or more bedrooms | 163 |
| Occupied housing units | 4,689 |
| Owner-occupied | 2,024 |
| Renter-occupied | 2,665 |
| Average household size of owner-occupied unit | 2.18 |
| Average household size of renter-occupied unit | 1.85 |
| Occupied housing units | 4,689 |
| Moved in 2017 or later | 727 |
| Moved in 2015 to 2016 | 1,374 |
| Moved in 2010 to 2014 | 959 |
| Moved in 2000 to 2009 | 856 |
| Moved in 1990 to 1999 | 514 |
| Moved in 1989 and earlier | 259 |
| Owner-occupied units | 2,024 |
| Less than $50,000 | 46 |
| $50,000 to $99,999 | 121 |
| $100,000 to $149,999 | 201 |
| $150,000 to $199,999 | 426 |
| $200,000 to $299,999 | 701 |
| $300,000 to $499,999 | 347 |
| $500,000 to $999,999 | 167 |
| $1,000,000 or more | 15 |
| Median (dollars) | 223,200 |
| Owner-occupied units | 2,024 |
| Housing units with a mortgage | 1,126 |
| Housing units without a mortgage | 898 |
| Occupied units paying rent | 2,660 |
| Less than $500 | 546 |
| $500 to $999 | 763 |
| $1,000 to $1,499 | 1,052 |
| $1,500 to $1,999 | 262 |
| $2,000 to $2,499 | 37 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 1,007 |
| No rent paid | 5 |
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