Old Mystic, CT Profile: Facts, Map & Data


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Old Mystic, Connecticut - Basic Facts

The Old Mystic Census Designated Place had a population of 3,617 as of July 1, 2017. Old Mystic ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Connecticut. See peer rankings below.

The primary coordinate point for Old Mystic is located at latitude 41.3836 and longitude -71.9862 in New London County. The formal boundaries for the Old Mystic Census Designated Place (see map below) encompass a land area of 4.26 sq. miles and a water area of 0.09 sq. miles. New London County is in the Eastern time zone (GMT -5). The elevation is 13 feet.

The Old Mystic Census Designated Place (GNIS ID: 2377846) 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 Old Mystic 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 Old Mystic population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Old Mystic: Head of Mistick, Head of Mystic, Head of the River, Mystic, Pequot, River Head, Upper Mystic.

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Old Mystic Census Designated Place, CT Boundary Map

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

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Old Mystic, CT Data & Demographics (As of July 1, 2017)


Total Population 3,617
Daytime Population: Workers 841
Daytime Population: Residents 1,434
Total Daytime Population (TDP) 2,275
Ratio TDP/Total Population1 0.63
Population in Households 3,607
Population in Familes 2,967
Population in Group Qrtrs 10
Population Density2 850
Diversity Index3 38


Median Household Income $82,248
Average Household Income $97,564
Per Capita Income $38,958


Total Housing Units 1,489 (100%)
Owner Occupied HU 1,190 (79.9%)
Renter Occupied HU 246 (16.5%)
Vacant Housing Units 53 ( 3.6%)
Median Home Value $235,417
Average Home Value $260,034


Total Households 1,436
Average Household Size 2.51
Family Households 992
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 0.24% 0.31%
Households 0.21% 0.28%
Families -0.07% 0.2%
Median Household Income   2.32%
Per Capita Income   2.59%

Old Mystic, CT - Peer Comparisons by Rank and Percentile

The table below compares Old Mystic 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 # 73 49th
Population Density # 107 25th
Diversity Index # 51 65th
Median Household Income # 51 65th
Per Capita Income # 75 48th

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

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