All Countries
Willimantic, CT
Full City Profile · Connecticut · Southeastern Connecticut Planning Region County
2.7
/5.0
C+
Fair
17,774
Population
3,279/sq mi density
$41,972
Median Income
$23,190 per capita
$180,600
Home Value
$264,043 Zillow
$1,060
Median Rent
32.2% income on rent
50°F
Avg Temperature
275 sunny days/yr
125
Violent Crime/100K
674 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.6 / 5.0
$41,972 median income, 4.7% unemployment
A
Affordability
4.3 / 5.0
$180,600 home value, $1,060/mo rent
F
Safety
1.0 / 5.0
125 violent crimes/100K
C+
Education
2.8 / 5.0
22.0% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+0.9%
17,623 → 17,774
over 10 years
Annual Pop. Growth
+0.09%
Compound annual growth rate
Median Income Change
+21.8%
$34,466 → $41,972
nominal, not inflation-adjusted
Annual Income Growth
+1.99%
Compound annual growth rate
Population Over Time
Total population for Willimantic across each available Census ACS release.
Median Household Income Over Time
Median household income reported by U.S. Census ACS. Values are nominal (not adjusted for inflation).
Projected 2030
Simple projections extrapolating the 2013–2023 compound annual growth rate forward. These are mathematical extensions of recent trends, not forecasts — real outcomes depend on migration, policy and economic shifts.
Projected Population 2030
17,886
+112 from 2023 (17,774)
Projected Median Income 2030
$48,180
+$6,208 from 2023 ($41,972)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 17,623 | — | $34,466 | — |
| 2015 | 17,411 | -1.2% | $34,444 | -0.1% |
| 2017 | 17,550 | +0.8% | $33,564 | -2.6% |
| 2019 | 17,358 | -1.1% | $40,122 | +19.5% |
| 2021 | 18,150 | +4.6% | $39,752 | -0.9% |
| 2023 | 17,774 | -2.1% | $41,972 | +5.6% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.