All Countries
Collinsville, CT
Full City Profile · Connecticut · Capitol Planning Region County
3.9
/5.0
B+
Good
4,001
Population
1,278/sq mi density
$104,808
Median Income
$76,906 per capita
$376,800
Home Value
$330,242 Zillow
$1,472
Median Rent
42.3% income on rent
50°F
Avg Temperature
271 sunny days/yr
119
Violent Crime/100K
2,497 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$104,808 median income, 1.5% unemployment
A+
Affordability
4.7 / 5.0
$376,800 home value, $1,472/mo rent
F
Safety
1.0 / 5.0
119 violent crimes/100K
A+
Education
5.0 / 5.0
64.1% bachelor's degree or higher
Change Over Time (2013–2023)
Population Change
+6.8%
3,748 → 4,001
over 10 years
Annual Pop. Growth
+0.66%
Compound annual growth rate
Median Income Change
+24%
$84,531 → $104,808
nominal, not inflation-adjusted
Annual Income Growth
+2.17%
Compound annual growth rate
Population Over Time
Total population for Collinsville 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
4,190
+189 from 2023 (4,001)
Projected Median Income 2030
$121,803
+$16,995 from 2023 ($104,808)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 3,748 | — | $84,531 | — |
| 2015 | 3,518 | -6.1% | $82,639 | -2.2% |
| 2017 | 3,551 | +0.9% | $86,476 | +4.6% |
| 2019 | 3,328 | -6.3% | $92,611 | +7.1% |
| 2021 | 3,551 | +6.7% | $103,750 | +12% |
| 2023 | 4,001 | +12.7% | $104,808 | +1% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.