Thomaston, CT Profile: Facts, Map & Data


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Thomaston, Connecticut - Basic Facts

The Thomaston Census Designated Place had a population of 1,890 as of July 1, 2017. Thomaston ranks in the lower quartile for 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 Thomaston is located at latitude 41.6768 and longitude -73.083 in Litchfield County. The formal boundaries for the Thomaston Census Designated Place (see map below) encompass a land area of 1.02 sq. miles and a water area of 0.01 sq. miles. Litchfield County is in the Eastern time zone (GMT -5). The elevation is 381 feet.

The Thomaston Census Designated Place (GNIS ID: 2631577) 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 Thomaston Census Designated Place is located within Town of Thomaston, a minor civil division (MCD) of Litchfield County.

Beneath the boundary map are tables with Thomaston 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 Thomaston: Church Hollow, Plymouth Hollow, Thomas Town.

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Thomaston Census Designated Place, CT Boundary Map

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


Total Population 1,890
Daytime Population: Workers 1,284
Daytime Population: Residents 830
Total Daytime Population (TDP) 2,114
Ratio TDP/Total Population1 1.12
Population in Households 1,890
Population in Familes 1,446
Population in Group Qrtrs 0
Population Density2 1,851
Diversity Index3 18


Median Household Income $53,007
Average Household Income $68,852
Per Capita Income $29,604


Total Housing Units 959 (100%)
Owner Occupied HU 437 (45.6%)
Renter Occupied HU 419 (43.7%)
Vacant Housing Units 103 (10.7%)
Median Home Value $222,107
Average Home Value $221,854


Total Households 856
Average Household Size 2.21
Family Households 509
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 -0.15% -0.34%
Households -0.13% -0.31%
Families 0.75% -0.44%
Median Household Income   1.11%
Per Capita Income   3.09%

Thomaston, CT - Peer Comparisons by Rank and Percentile

The table below compares Thomaston 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 # 102 29th
Population Density # 55 62nd
Diversity Index # 117 18th
Median Household Income # 117 18th
Per Capita Income # 110 23rd

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

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