Long Hill, CT Profile: Facts, Map & Data


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Long Hill, Connecticut - Basic Facts

The Long Hill Census Designated Place had a population of 4,148 as of July 1, 2017. Long Hill 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 Long Hill is located at latitude 41.3496 and longitude -72.0505 in New London County. The formal boundaries for the Long Hill Census Designated Place (see map below) encompass a land area of 1.54 sq. miles and a water area of 0.05 sq. miles. New London County is in the Eastern time zone (GMT -5). The elevation is 23 feet.

The Long Hill Census Designated Place (GNIS ID: 2377829) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Long Hill Census Designated Place is located within Town of Groton, a minor civil division (MCD) of New London County.

Beneath the boundary map are tables with Long Hill population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Long Hill Census Designated Place, CT Boundary Map

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Long Hill, CT Data & Demographics (As of July 1, 2017)


Total Population 4,148
Daytime Population: Workers 2,778
Daytime Population: Residents 1,737
Total Daytime Population (TDP) 4,515
Ratio TDP/Total Population1 1.09
Population in Households 3,965
Population in Familes 2,245
Population in Group Qrtrs 183
Population Density2 2,697
Diversity Index3 58


Median Household Income $54,438
Average Household Income $72,097
Per Capita Income $38,376


Total Housing Units 2,527 (100%)
Owner Occupied HU 517 (20.5%)
Renter Occupied HU 1,624 (64.3%)
Vacant Housing Units 386 (15.3%)
Median Home Value $165,984
Average Home Value $153,578


Total Households 2,141
Average Household Size 1.85
Family Households 826
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population -0.19% 0.01%
Households -0.19% 0.02%
Families -0.38% -0.1%
Median Household Income   0.67%
Per Capita Income   2.16%

Long Hill, CT - Peer Comparisons by Rank and Percentile

The table below compares Long Hill to the other 142 incorporated cities, towns and CDPs in Connecticut by rank and percentile using July 1, 2017 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 # 68 54th
Population Density # 32 78th
Diversity Index # 22 85th
Median Household Income # 114 20th
Per Capita Income # 79 45th

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

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