Groton, CT Profile: Facts, Map & Data

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Groton, Connecticut - Basic Facts

The City of Groton had a population of 9,308 as of July 1, 2016. Groton ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Connecticut. See peer rankings below.

The primary coordinate point for Groton is located at latitude 41.3251 and longitude -72.0669 in New London County. The formal boundaries for the City of Groton (see map below) encompass a land area of 3.08 sq. miles and a water area of 3.68 sq. miles. New London County is in the Eastern time zone (GMT -5). The elevation is 79 feet.

The City of Groton (GNIS ID: 2378275) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Groton is located within Town of Groton, a minor civil division (MCD) of New London County.

Beneath the boundary map are tables with Groton population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Groton: East Side, Groton Bank, Groton Ferry, Groton Landing.


Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.

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City of Groton, CT Boundary Map



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Boundary Maps: Town of Groton | New London County | Connecticut Counties

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Groton, CT Data & Demographics (As of July 1, 2016)

POPULATION

Total Population 9,308
Population in Households 9,298
Population in Familes 6,791
Population in Group Qrtrs 10
Population Density1 3,019
Diversity Index2 74
 

HOUSEHOLDS

Total Households 4,123
Average Household Size 2.26
Family Households 2,349
Average Family Size 3

HOUSING

Total Housing Units 4,794 (100%)
Owner Occupied HU 1,615 (33.7%)
Renter Occupied HU 2,508 (52.3%)
Vacant Housing Units 671 (14.0%)
Median Home Value $221,907
Average Home Value $274,551
 

INCOME

Median Household Income $49,348
Average Household Income $69,390
Per Capita Income $30,765
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2015 2015-2020
Population -1.74% -0.01%
Households -0.23% -0.04%
Families -0.3% -0.1%
Median Household Income   -0.95%
Per Capita Income   1.14%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Groton, CT - Peer Comparisons by Rank and Percentile

The table below compares Groton to the other 142 incorporated cities, towns and CDPs in Connecticut by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 40 73rd
Population Density1 # 26 82nd
Diversity Index2 # 12 92nd
Median Household Income # 122 15th
Per Capita Income # 101 30th

Additional comparisons and rankings can be made with a VERY EASY TO USE Connecticut Census Data Comparison Tool.