All Countries
Groton, CT
Full City Profile · Connecticut · Southeastern Connecticut Planning Region County
3.2
/5.0
B
Good
9,343
Population
3,033/sq mi density
$69,811
Median Income
$42,438 per capita
$278,900
Home Value
$411,359 Zillow
$1,179
Median Rent
29.1% income on rent
51°F
Avg Temperature
275 sunny days/yr
178
Violent Crime/100K
1,104 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$69,811 median income, 4.3% unemployment
A
Affordability
4.4 / 5.0
$278,900 home value, $1,179/mo rent
F
Safety
1.0 / 5.0
178 violent crimes/100K
B+
Education
3.8 / 5.0
34.7% bachelor's degree or higher
Change Over Time (2013, 2023)
Population Change
+0.1%
9,299 → 9,307
over 10 years
Annual Pop. Growth
+0.01%
Compound annual growth rate
Median Income Change
+34.9%
$51,768 → $69,811
nominal, not inflation-adjusted
Annual Income Growth
+3.04%
Compound annual growth rate
Population Over Time
Total population for Groton 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
9,314
+7 from 2023 (9,307)
Projected Median Income 2030
$86,092
+$16,281 from 2023 ($69,811)
Year-by-Year Detail
| Year | Population | YoY % | Median Income | YoY % |
|---|---|---|---|---|
| 2013 | 9,299 | - | $51,768 | - |
| 2015 | 9,150 | -1.6% | $54,244 | +4.8% |
| 2017 | 9,060 | -1% | $55,567 | +2.4% |
| 2019 | 8,935 | -1.4% | $52,859 | -4.9% |
| 2021 | 9,326 | +4.4% | $58,911 | +11.4% |
| 2023 | 9,307 | -0.2% | $69,811 | +18.5% |
Source: U.S. Census ACS 5-Year Estimates (Data Commons). Home value and rent are not yet available historically.