US Census Data
Population
9,343
+3.5%’19–’23
Median household income
$69,811
+32.1%’19–’23
Median home value
$278,900
+25.7%’19–’23

Groton is a community in Southeastern Connecticut Planning Region, Connecticut, home to 9,343 residents. The median household income of $69,811 is below the Southeastern Connecticut Planning Region median ($84,185).

From 2019 to 2023, Groton's population grew 3.5% from 9,030 to 9,343, while its median home value rose 25.7% from $221,800 to $278,900.

The largest age group is 25 to 34, 19.6% of residents. White (non-Hispanic) residents are the largest group, 62.2% of the population.

Demographics

ACS 2019–2023
Population
9,343
Median age
38.6 yrs
Median household income
$69,811
Median home value
$278,900
Median gross rent
$1,179
Housing units
5,193
Homeownership rate
41.3%
Bachelor's degree or higher
34.7%
Unemployment rate
6.4%

Trends

ACS 5-year · 2019–2023
Population
9,0309,343
Median household income
$52,859$69,811
Median home value
$221,800$278,900
Median gross rent
$1,014$1,179
YearPopulationMedian household incomeMedian home valueMedian gross rent
20199,030$52,859$221,800$1,014
20208,999$51,941$223,300$971
20219,333$58,911$223,200$1,007
20229,364$64,611$257,300$1,100
20239,343$69,811$278,900$1,179

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 53123.3%
5 to 171,13912.2%
18 to 241,07811.5%
25 to 341,83019.6%
35 to 449069.7%
45 to 548158.7%
55 to 641,80919.4%
65 to 748238.8%
75 and over6316.8%

Race & ethnicity

CountShare
White (non-Hispanic)5,81062.2%
Black or African American8429.0%
American Indian & Alaska Native170.2%
Asian5095.4%
Native Hawaiian & Pacific Islander00.0%
Some other race680.7%
Two or more races6026.4%
Hispanic or Latino (any race)1,49516.0%

Educational attainment (age 25+)

CountShare
No high school diploma5908.7%
High school graduate1,77626.1%
Some college or associate's2,08530.6%
Bachelor's degree1,66424.4%
Graduate or professional degree69910.3%

Commute to work

Mean travel time to work
18 min

How workers get to work

CountShare
Drove alone3,65471.0%
Carpooled3687.2%
Public transit1352.6%
Walked70513.7%
Bicycle150.3%
Worked from home2254.4%
Other means420.8%

Travel time

CountShare
Under 15 min2,29446.6%
15 to 29 min1,66933.9%
30 to 44 min57611.7%
45 to 59 min1903.9%
60+ min1903.9%

Households

Average household size
1.99
Poverty rate
19.5% (1,813 of 9,306)
CountShare
Family households2,54954.3%
Nonfamily households2,14645.7%

Housing

Median year structure built
1968

Occupancy

CountShare
Occupied4,69590.4%
Vacant4989.6%

Tenure (of occupied units)

CountShare
Owner-occupied1,93941.3%
Renter-occupied2,75658.7%

Units in structure

CountShare
1-unit, detached2,00038.5%
1-unit, attached2134.1%
2 to 4 units1,42127.4%
5 to 19 units85016.4%
20 or more units69313.3%
Mobile home & other160.3%

Geography

Place GEOID
0934180
Type (LSAD)
25
Land area
3.08 sq mi
Water area
3.68 sq mi
Center point
41.3251, -72.0669

Compare with nearby cities

5

Connecticut rankings

21

Other places in Southeastern Connecticut Planning Region

21