Willimantic, CT population, income and ZIP codes

Willimantic CDP is a mid-size town in Connecticut, with 17,774 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #28 of 215 ranked by population — larger than 87% of them. The median age here is 31.9 years against 39.1 nationally, a distinctly younger profile, typical of places with students, military posts or a fast-growing family population. Places under 65,000 residents only appear in the five-year release, never the one-year file, so these values pool sixty months of responses and lag the current year by design.

Households in Willimantic CDP earn a median of $41,972 a year, 46.6% below the national figure of $78,538 and 56% below the $96,484 median for the 159 Connecticut cities we cover. This figure covers the household, not the worker: two people on ordinary wages at one address outrank a single professional in the same table. Poverty reaches 26.8% of residents here, well above the 12.4% national rate, which is the single clearest signal in this dataset that median income here is carried by a narrow band of households.

The typical owner-occupied home in Willimantic CDP is valued at $180,600, 40.5% below the national figure and 48% below the $344,200 peer median, while median gross rent runs $1,060 a month, 24.6% below the national figure, or roughly $12,720 across a full year. A household on the local median income would put about 30.3% of gross pay toward that rent against the federal 30% cost-burden threshold, so renting here is a stretch on median earnings. The home-price-to-income ratio works out to 4.3×, against roughly 3.9× nationally, so buying is harder here than in the average US market. 33.7% of occupied homes are owner-occupied versus 65% nationally, a renter-majority market, so rent figures matter more here than the home-value line. Gross rent folds in the utilities a tenant pays separately, so it is closer to the real monthly outlay than a headline rent figure.

Every value on this page is published directly by the Census for this area — nothing is modelled or interpolated. Small-area estimates still carry wider margins of error than state or national figures, so check the linked ACS tables before relying on them for lending, appraisal or legal work.