Crime Grade · FBI UCR Data · 2025
Flat Rock, MI Crime Grade
How Flat Rock grades for violent crime against every other reporting U.S. city — and against the rest of Michigan — based on the FBI's Uniform Crime Reporting data.
National
7/10
vs. all U.S. cities ≥ 25,000 population
Michigan
6/10
vs. Michigan cities ≥ 10,000 population
In 2025, the violent crime rate in Flat Rock, MI was 255.2 per 100,000 residents (26 incidents over a population of 10,188). That puts Flat Rock 22% below the U.S. rate of 325.3 and 40% below the Michigan statewide rate of 422.8.
That ranks Flat Rock #2,404 of 3,771 ranked U.S. cities, safer than 36% of them, and #74 of 138 in Michigan. Violent crime is down 19% year over year and down 6% over the last five years.
Flat Rock, MI crime — key facts
- National Crime Grade
- C (7/10)
- Michigan Grade
- C (6/10)
- Violent crime rate
- 255.2 / 100k
- National rank
- #2,404 of 3,771
- MI rank
- #74 of 138
- Safer than
- 36% of U.S. cities
- Year over year
- down 19%
- 5-year change
- down 6%
- Population
- 10,188
- Reporting agency
- Flat Rock Police Department
- Data year
- 2025 · FBI UCR
Reported by Flat Rock Police Department (FBI ORI MI8239700) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Flat Rock, MI
Also known as
- Smooth Rock
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. Flat Rock (red), Michigan (blue), U.S. average (gray dashed).
Flat Rock 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 | 270.9(27) | 395.4(41) | 260.1(27) | 313.2(32) | 255.2(26) |
| Murder | 10.0(1) | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) |
| Rape | 40.1(4) | 57.9(6) | 28.9(3) | 19.6(2) | 39.3(4) |
| Robbery | 20.1(2) | 9.6(1) | 9.6(1) | 9.8(1) | 9.8(1) |
| Aggravated assault | 200.6(20) | 327.9(34) | 221.6(23) | 283.9(29) | 206.1(21) |
| Property crime | 1103.5(110) | 1340.5(139) | 1079.1(112) | 969.1(99) | 903.0(92) |
| Burglary | 90.3(9) | 86.8(9) | 38.5(4) | 29.4(3) | 29.4(3) |
| Larceny | 812.6(81) | 916.2(95) | 838.2(87) | 753.7(77) | 696.9(71) |
| Motor vehicle theft | 200.6(20) | 308.6(32) | 202.3(21) | 186.0(19) | 176.7(18) |
How the Crime Grade is calculated
- What is the source of the Flat Rock, MI 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 Flat Rock 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 Flat Rock calculated?
- Flat Rock's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Michigan state decile calculated?
- Same calculation restricted to Michigan 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 Flat Rock 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 Michigan
Comparable Michigan cities by population.
Compare Flat Rock to other places
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