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Cornwall, CT
Full City Profile · Connecticut · Northwest Hills Planning Region County
3.7
/5.0
B+
Good
65
Population
116/sq mi density
$134,167
Median Income
$155,657 per capita
48°F
Avg Temperature
275 sunny days/yr
124
Violent Crime/100K
1,775 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$134,167 median income, 0.0% unemployment
F
Safety
1.0 / 5.0
124 violent crimes/100K
A+
Education
5.0 / 5.0
70.8% bachelor's degree or higher
Change Over Time (2021–2023)
Population Change
-9.7%
72 → 65
over 2 years
Annual Pop. Growth
-4.99%
Compound annual growth rate
Median Income Change
-0.3%
$134,583 → $134,167
nominal, not inflation-adjusted
Annual Income Growth
-0.15%
Compound annual growth rate
Population Over Time
Total population for Cornwall 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 2021–2023 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
45
-20 from 2023 (65)
Projected Median Income 2030
$132,765
$-1,402 from 2023 ($134,167)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2021 | 72 | — | $134,583 | — |
| 2023 | 65 | -9.7% | $134,167 | -0.3% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.