Crime Grade · FBI UCR Data · 2025
Boulder, CO Crime Grade
How Boulder grades for violent crime against every other reporting U.S. city — and against the rest of Colorado — based on the FBI's Uniform Crime Reporting data.
National
8/10
vs. all U.S. cities ≥ 25,000 population
Colorado
7/10
vs. Colorado cities ≥ 10,000 population
In 2025, the violent crime rate in Boulder, CO was 353.3 per 100,000 residents (376 incidents over a population of 106,426). That puts Boulder Infinity% above the U.S. rate of 0.0 and 16% below the Colorado statewide rate of 420.3.
That ranks Boulder #2,863 of 3,771 ranked U.S. cities, safer than 24% of them, and #30 of 47 in Colorado. Violent crime is up 9% year over year and down 9% over the last five years.
Boulder, CO crime — key facts
- National Crime Grade
- D (8/10)
- Colorado Grade
- C (7/10)
- Violent crime rate
- 353.3 / 100k
- National rank
- #2,863 of 3,771
- CO rank
- #30 of 47
- Safer than
- 24% of U.S. cities
- Year over year
- up 9%
- 5-year change
- down 9%
- Population
- 106,426
- Reporting agency
- Boulder Police Department
- Data year
- 2025 · FBI UCR
Reported by Boulder Police Department (FBI ORI CO0070100) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
Violent crime rate, 5-year trend
Per 100,000 residents. Boulder (red), Colorado (blue), U.S. average (gray dashed).
Boulder 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 | 390.1(424) | 379.2(391) | 358.8(374) | 325.1(342) | 353.3(376) |
| Murder | 2.8(3) | 6.8(7) | 2.9(3) | 0.0(0) | 2.8(3) |
| Rape | 58.0(63) | 55.3(57) | 40.3(42) | 37.1(39) | 65.8(70) |
| Robbery | 65.3(71) | 48.5(50) | 36.5(38) | 44.7(47) | 48.9(52) |
| Aggravated assault | 264.0(287) | 268.7(277) | 279.2(291) | 243.4(256) | 235.8(251) |
| Property crime | 3490.4(3,794) | 3046.6(3,141) | 3135.3(3,268) | 2788.2(2,933) | 2398.8(2,553) |
| Burglary | 520.7(566) | 460.7(475) | 466.3(486) | 388.8(409) | 319.5(340) |
| Larceny | 2569.5(2,793) | 2247.4(2,317) | 2320.8(2,419) | 2157.9(2,270) | 1934.7(2,059) |
| Motor vehicle theft | 371.7(404) | 314.3(324) | 324.3(338) | 211.0(222) | 131.5(140) |
How the Crime Grade is calculated
- What is the source of the Boulder, CO 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 Boulder 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 Boulder calculated?
- Boulder's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Colorado state decile calculated?
- Same calculation restricted to Colorado 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 Boulder 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 Colorado
Comparable Colorado cities by population.
Compare Boulder to other places
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