Willimantic, CT Community Profile: Data

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Willimantic, Connecticut - Basic Facts

Willimantic is the common name for the community and surrounding area while the formal official name is the Willimantic Census Designated Place.

It is a community or populated place (Class Code U5) located in Windham County at latitude 41.7107 and longitude -72.2081. Windham County is in the Eastern time zone (GMT -5). The elevation is 223 feet.

The formal boundaries for the Willimantic Census Designated Place (see map) encompass a land area of 4.4 sq. miles and a water area of 0.08 sq. miles.

Alternate Unofficial Names for Willimantic: Thread City, Wallamantuck, Walumantticuk, Waramantick, We-am-man-tuck, Wewemantick.

Camera Icon Photos of the local Willimantic, CT area

Also See: Willimantic, CT ZIP Codes and ZIP Code Maps

Willimantic, CT Data & Demographics (As of July 1, 2014)


Total Population 18,041
Population in Households 15,320
Population in Familes 10,869
Population in Group Qrtrs 2,721
Population Density1 4,102
Diversity Index2 79


Total Households 5,926
Average Household Size 2.59
Family Households 3,351
Average Family Size 3


Total Housing Units 6,436 (100%)
Owner Occupied HU 2,031 (31.6%)
Renter Occupied HU 3,895 (60.5%)
Vacant Housing Units 510 ( 7.9%)
Median Home Value $136,329
Average Home Value $148,363


Median Household Income $36,940
Average Household Income $48,306
Per Capita Income $17,162
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.4% 0.17%
Households 0.46% 0.16%
Families 0.19% -0.02%
Median Household Income   1.91%
Per Capita Income   2.99%
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.


Willimantic, CT - Peer Comparisons by Rank and Percentile

The table below compares Willimantic to the other 142 incorporated cities, towns and CDPs in Connecticut by rank and percentile using July 1, 2014 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 # 32 78th
Population Density1 # 14 91st
Diversity Index2 # 7 95th
Median Household Income # 137 4th
Per Capita Income # 140 2nd

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