Crime Grade · FBI UCR Data · 2025
Stonington, CT Crime Grade
How Stonington grades for violent crime against every other reporting U.S. city — and against the rest of Connecticut — based on the FBI's Uniform Crime Reporting data.
National
1/10
vs. all U.S. cities ≥ 25,000 population
Connecticut
3/10
vs. Connecticut cities ≥ 10,000 population
In 2025, the violent crime rate in Stonington, CT was 21.2 per 100,000 residents (4 incidents over a population of 18,900). That puts Stonington 93% below the U.S. rate of 325.3 and 80% below the Connecticut statewide rate of 108.0.
That ranks Stonington #151 of 3,771 ranked U.S. cities, safer than 96% of them, and #21 of 86 in Connecticut. Violent crime is down 67% year over year and down 70% over the last five years.
Stonington, CT crime — key facts
- National Crime Grade
- A (1/10)
- Connecticut Grade
- A (3/10)
- Violent crime rate
- 21.2 / 100k
- National rank
- #151 of 3,771
- CT rank
- #21 of 86
- Safer than
- 96% of U.S. cities
- Year over year
- down 67%
- 5-year change
- down 70%
- Population
- 18,900
- Reporting agency
- Stonington Police Department
- Data year
- 2025 · FBI UCR
Reported by Stonington Police Department (FBI ORI CT0013700) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Stonington, CT
Also known as
- Southertown
- Pawcatuck
- Mistick
Name history sourced from the USGS Geographic Names Information System (GNIS) — public-domain federal geographic-names data.
Violent crime rate, 5-year trend
Per 100,000 residents. Stonington (red), Connecticut (blue), U.S. average (gray dashed).
Stonington vs. U.S., 2025 — by offense
Rates per 100,000 residents for each offense category.
Full data, last 5 years
Rates per 100,000 residents. Raw counts in parentheses.
| Offense | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Violent crime | 70.0(13) | 75.5(14) | 91.6(17) | 65.0(12) | 21.2(4) |
| Murder | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) |
| Rape | 21.5(4) | 10.8(2) | 21.6(4) | 0.0(0) | 0.0(0) |
| Robbery | 0.0(0) | 10.8(2) | 0.0(0) | 16.2(3) | 10.6(2) |
| Aggravated assault | 48.5(9) | 53.9(10) | 70.0(13) | 48.7(9) | 10.6(2) |
| Property crime | 818.5(152) | 846.4(157) | 862.1(160) | 866.3(160) | 449.7(85) |
| Burglary | 91.5(17) | 80.9(15) | 80.8(15) | 65.0(12) | 37.0(7) |
| Larceny | 662.3(123) | 733.2(136) | 673.5(125) | 747.2(138) | 391.5(74) |
| Motor vehicle theft | 64.6(12) | 32.3(6) | 102.4(19) | 48.7(9) | 21.2(4) |
How the Crime Grade is calculated
- What is the source of the Stonington, CT Crime Grade?
- FBI Uniform Crime Reporting via the Crime Data Explorer. Agency-level data, pulled directly. No third-party aggregators, no proprietary score.
- What metric does the Stonington Crime Grade use?
- Violent crime rate per 100,000 residents (murder + rape + robbery + aggravated assault), most recent fully-reported year.
- How is the national decile for Stonington calculated?
- Stonington's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Connecticut state decile calculated?
- Same calculation restricted to Connecticut cities with population ≥ 10,000.
- How do decile scores convert to a letter grade?
- 1–3 = A · 4–5 = B · 6–7 = C · 8 = D · 9–10 = F.
- How often is the Stonington Crime Grade refreshed?
- Twice a year. The FBI typically releases the prior year's full data each September.
- What are the limits of this Crime Grade?
- The FBI relies on local agency reporting. Rates reflect what was reported, not what occurred.
Nearby cities in Connecticut
Comparable Connecticut cities by population.
Compare Stonington to other places
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