Crime Grade · FBI UCR Data · 2025
Waltham, MA Crime Grade
How Waltham grades for violent crime against every other reporting U.S. city — and against the rest of Massachusetts — based on the FBI's Uniform Crime Reporting data.
National
6/10
vs. all U.S. cities ≥ 25,000 population
Massachusetts
7/10
vs. Massachusetts cities ≥ 10,000 population
In 2025, the violent crime rate in Waltham, MA was 222.4 per 100,000 residents (147 incidents over a population of 66,089). That puts Waltham Infinity% above the U.S. rate of 0.0 and 27% below the Massachusetts statewide rate of 303.5.
That ranks Waltham #2,211 of 3,771 ranked U.S. cities, safer than 41% of them, and #117 of 186 in Massachusetts. Violent crime is down 12% year over year and up 86% over the last five years.
Waltham, MA crime — key facts
- National Crime Grade
- C (6/10)
- Massachusetts Grade
- C (7/10)
- Violent crime rate
- 222.4 / 100k
- National rank
- #2,211 of 3,771
- MA rank
- #117 of 186
- Safer than
- 41% of U.S. cities
- Year over year
- down 12%
- 5-year change
- up 86%
- Population
- 66,089
- Reporting agency
- Waltham Police Department
- Data year
- 2025 · FBI UCR
Reported by Waltham Police Department (FBI ORI MA0094700) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
Violent crime rate, 5-year trend
Per 100,000 residents. Waltham (red), Massachusetts (blue), U.S. average (gray dashed).
Waltham 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 | 119.6(75) | 151.1(96) | 250.8(160) | 252.0(165) | 222.4(147) |
| Murder | 0.0(0) | 0.0(0) | 1.6(1) | 1.5(1) | 0.0(0) |
| Rape | 14.4(9) | 22.0(14) | 26.6(17) | 18.3(12) | 19.7(13) |
| Robbery | 12.8(8) | 4.7(3) | 18.8(12) | 22.9(15) | 16.6(11) |
| Aggravated assault | 92.5(58) | 124.4(79) | 203.8(130) | 209.2(137) | 186.1(123) |
| Property crime | 473.7(297) | 557.3(354) | 846.4(540) | 711.6(466) | 741.4(490) |
| Burglary | 62.2(39) | 88.2(56) | 144.2(92) | 126.7(83) | 98.4(65) |
| Larceny | 382.8(240) | 425.0(270) | 641.1(409) | 519.2(340) | 597.7(395) |
| Motor vehicle theft | 25.5(16) | 39.4(25) | 54.9(35) | 55.0(36) | 43.9(29) |
How the Crime Grade is calculated
- What is the source of the Waltham, MA 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 Waltham 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 Waltham calculated?
- Waltham's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Massachusetts state decile calculated?
- Same calculation restricted to Massachusetts 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 Waltham 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 Massachusetts
Comparable Massachusetts cities by population.
Compare Waltham to other places
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