Crime Grade · FBI UCR Data · 2025
Duncan, OK Crime Grade
How Duncan grades for violent crime against every other reporting U.S. city — and against the rest of Oklahoma — based on the FBI's Uniform Crime Reporting data.
National
8/10
vs. all U.S. cities ≥ 25,000 population
Oklahoma
7/10
vs. Oklahoma cities ≥ 10,000 population
In 2025, the violent crime rate in Duncan, OK was 351.8 per 100,000 residents (82 incidents over a population of 23,306). That puts Duncan 8% above the U.S. rate of 325.3 and 13% below the Oklahoma statewide rate of 405.9.
That ranks Duncan #2,855 of 3,771 ranked U.S. cities, safer than 24% of them, and #28 of 43 in Oklahoma. Violent crime is down 4% year over year and up 44% over the last five years.
Duncan, OK crime — key facts
- National Crime Grade
- D (8/10)
- Oklahoma Grade
- C (7/10)
- Violent crime rate
- 351.8 / 100k
- National rank
- #2,855 of 3,771
- OK rank
- #28 of 43
- Safer than
- 24% of U.S. cities
- Year over year
- down 4%
- 5-year change
- up 44%
- Population
- 23,306
- Reporting agency
- Duncan Police Department
- Data year
- 2025 · FBI UCR
Reported by Duncan Police Department (FBI ORI OK0690200) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
Violent crime rate, 5-year trend
Per 100,000 residents. Duncan (red), Oklahoma (blue), U.S. average (gray dashed).
Duncan 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 | 243.8(54) | 157.1(36) | 374.3(87) | 368.4(86) | 351.8(82) |
| Murder | 9.0(2) | 4.4(1) | 0.0(0) | 0.0(0) | 0.0(0) |
| Rape | 31.6(7) | 26.2(6) | 77.4(18) | 72.8(17) | 77.2(18) |
| Robbery | 36.1(8) | 13.1(3) | 21.5(5) | 17.1(4) | 34.3(8) |
| Aggravated assault | 167.1(37) | 113.5(26) | 275.3(64) | 278.4(65) | 240.3(56) |
| Property crime | 3070.7(680) | 2256.2(517) | 2581.2(600) | 2090.4(488) | 1767.8(412) |
| Burglary | 853.5(189) | 619.7(142) | 563.6(131) | 389.8(91) | 441.9(103) |
| Larceny | 1995.9(442) | 1435.7(329) | 1849.9(430) | 1606.3(375) | 1240.0(289) |
| Motor vehicle theft | 203.2(45) | 183.3(42) | 159.2(37) | 77.1(18) | 81.5(19) |
How the Crime Grade is calculated
- What is the source of the Duncan, OK 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 Duncan 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 Duncan calculated?
- Duncan's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Oklahoma state decile calculated?
- Same calculation restricted to Oklahoma 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 Duncan 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 Oklahoma
Comparable Oklahoma cities by population.
Compare Duncan to other places
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