Crime Grade · FBI UCR Data · 2025
Portsmouth, RI Crime Grade
How Portsmouth grades for violent crime against every other reporting U.S. city — and against the rest of Rhode Island — based on the FBI's Uniform Crime Reporting data.
National
1/10
vs. all U.S. cities ≥ 25,000 population
Rhode Island
2/10
vs. Rhode Island cities ≥ 10,000 population
In 2025, the violent crime rate in Portsmouth, RI was 40.6 per 100,000 residents (7 incidents over a population of 17,253). That puts Portsmouth 88% below the U.S. rate of 325.3 and 73% below the Rhode Island statewide rate of 147.8.
That ranks Portsmouth #365 of 3,771 ranked U.S. cities, safer than 90% of them, and #7 of 30 in Rhode Island. Violent crime is up 138% year over year and down 35% over the last five years.
Portsmouth, RI crime — key facts
- National Crime Grade
- A (1/10)
- Rhode Island Grade
- A (2/10)
- Violent crime rate
- 40.6 / 100k
- National rank
- #365 of 3,771
- RI rank
- #7 of 30
- Safer than
- 90% of U.S. cities
- Year over year
- up 138%
- 5-year change
- down 35%
- Population
- 17,253
- Reporting agency
- Portsmouth Police Department
- Data year
- 2025 · FBI UCR
Reported by Portsmouth Police Department (FBI ORI RI0030400) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Portsmouth, RI
Also known as
- Pocasset
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. Portsmouth (red), Rhode Island (blue), U.S. average (gray dashed).
Portsmouth 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 | 62.2(11) | 11.3(2) | 90.8(16) | 17.1(3) | 40.6(7) |
| Murder | 0.0(0) | 0.0(0) | 5.7(1) | 0.0(0) | 0.0(0) |
| Rape | 22.6(4) | 11.3(2) | 45.4(8) | 11.4(2) | 17.4(3) |
| Robbery | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) |
| Aggravated assault | 39.6(7) | 0.0(0) | 39.7(7) | 5.7(1) | 23.2(4) |
| Property crime | 350.4(62) | 350.0(62) | 278.0(49) | 352.7(62) | 313.0(54) |
| Burglary | 79.1(14) | 62.1(11) | 34.0(6) | 39.8(7) | 29.0(5) |
| Larceny | 226.0(40) | 265.3(47) | 209.9(37) | 284.4(50) | 255.0(44) |
| Motor vehicle theft | 28.3(5) | 16.9(3) | 22.7(4) | 22.8(4) | 23.2(4) |
How the Crime Grade is calculated
- What is the source of the Portsmouth, RI 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 Portsmouth 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 Portsmouth calculated?
- Portsmouth's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Rhode Island state decile calculated?
- Same calculation restricted to Rhode Island 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 Portsmouth 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 Rhode Island
Comparable Rhode Island cities by population.
Compare Portsmouth to other places
Want crime data for your application?
SpotCrime's Real-Time Crime Data API delivers incident-level data, not just aggregate grades. Used by family-safety apps, real-estate platforms, executive protection teams, and government agencies.