Willimantic, Connecticut Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Willimantic, Connecticut is 17,774 as of the 2023 American Community Survey, making it the 28th-largest city in Connecticut. The median household income is $41,972, the median home value is $180,600, and the median age is 31.9.
17,774
Population
3279
People / sq mi
$41,972
Median Income
$180,600
Median Home Value
Willimantic covers 5.4 sq mi of land at 3279 people per square mile.
About Willimantic, CT
Willimantic is a city in Connecticut with a population of 17,774. It ranks #28 among cities in Connecticut by population. The median age is 31.9, younger than the national median. The population is 48.2% male and 51.8% female.
The median household income in Willimantic is $41,972, below the US median of $74,580. 21.9% of residents live below the federal poverty level. Home values sit at a median of $180,600, with monthly rent averaging $1,060. The homeownership rate of 33.7% is lower than the national rate of 64.8%.
Educational attainment in Willimantic reflects 22.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.7% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 23.1 minutes each way.
Race & Ethnicity
| White | 60.5% |
| Black or African American | 6.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.2% |
| Two or More Races | 0.0% |
Economy & Income
$41,972
Median Household Income
$23,190
Per Capita Income
21.9%
Poverty Rate
4.7%
Unemployment Rate
Housing
$180,600
Median Home Value
$1,060
Median Rent
33.7%
Owner-Occupied
Education
81.3%
High School+
22.0%
Bachelor's+
Commute
4.5%
Drive Alone
70.3%
Public Transit
5.7%
Work From Home
23.1 min
Avg Commute
Community Profile
20.8%
Foreign Born
60.9%
Non-English at Home
3.3%
Veterans
17.8%
With Disability
92.4%
Health Insurance
93.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 33.9% |
| Education, Health Care & Social Services | 12.3% |
| Manufacturing | 8.4% |
| Finance, Insurance & Real Estate | 5.5% |
| Arts, Entertainment & Food Services | 4.9% |
| Construction | 4.4% |
| Retail Trade | 3.2% |
| Public Administration | 3.0% |
| Information | 2.2% |
| Agriculture & Mining | 2.0% |
| Transportation & Warehousing | 1.1% |
Largest cities in Connecticut
Largest counties in Connecticut
Part of Connecticut
Metro areas in Connecticut
City rankings
Frequently Asked Questions
Willimantic, Connecticut has a population of 17,774 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 28th-largest city in Connecticut.
The median household income in Willimantic, Connecticut is $41,972, with 21.9% of residents living below the federal poverty level.
The median home value in Willimantic, Connecticut is $180,600, with median monthly rent at $1,060 and a homeownership rate of 33.7%.
The median age in Willimantic, Connecticut is 31.9 years. The population is 48.2% male and 51.8% female.
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Statewide data for Connecticut
Population, race, income, age, and trends across Connecticut
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.