All Countries
Dayville, CT
Full City Profile · Connecticut · Northeastern Connecticut Planning Region County
2.8
/5.0
C+
Fair
379
Population
408/sq mi density
$66,000
Median Income
$37,098 per capita
$244,500
Home Value
$336,876 Zillow
48°F
Avg Temperature
271 sunny days/yr
307
Violent Crime/100K
1,738 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$66,000 median income, 16.0% unemployment
A+
Affordability
4.6 / 5.0
$244,500 home value, /mo rent
F
Safety
1.0 / 5.0
307 violent crimes/100K
C
Education
2.4 / 5.0
17.2% bachelor's degree or higher
Change Over Time (2021–2023)
Population Change
+10.5%
343 → 379
over 2 years
Annual Pop. Growth
+5.12%
Compound annual growth rate
Median Income Change
+43.8%
$45,882 → $66,000
nominal, not inflation-adjusted
Annual Income Growth
+19.94%
Compound annual growth rate
Population Over Time
Total population for Dayville 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
538
+159 from 2023 (379)
Projected Median Income 2030
$235,663
+$169,663 from 2023 ($66,000)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2021 | 343 | — | $45,882 | — |
| 2023 | 379 | +10.5% | $66,000 | +43.8% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.