Crime Grade · FBI UCR Data · 2025
Grafton, WI Crime Grade
How Grafton grades for violent crime against every other reporting U.S. city — and against the rest of Wisconsin — based on the FBI's Uniform Crime Reporting data.
National
2/10
vs. all U.S. cities ≥ 25,000 population
Wisconsin
3/10
vs. Wisconsin cities ≥ 10,000 population
In 2025, the violent crime rate in Grafton, WI was 62.0 per 100,000 residents (8 incidents over a population of 12,910). That puts Grafton 81% below the U.S. rate of 325.3 and 74% below the Wisconsin statewide rate of 235.9.
That ranks Grafton #662 of 3,771 ranked U.S. cities, safer than 82% of them, and #20 of 89 in Wisconsin. Violent crime is down 21% year over year and up 22% over the last five years.
Grafton, WI crime — key facts
- National Crime Grade
- A (2/10)
- Wisconsin Grade
- A (3/10)
- Violent crime rate
- 62.0 / 100k
- National rank
- #662 of 3,771
- WI rank
- #20 of 89
- Safer than
- 82% of U.S. cities
- Year over year
- down 21%
- 5-year change
- up 22%
- Population
- 12,910
- Reporting agency
- Grafton Police Department
- Data year
- 2025 · FBI UCR
Reported by Grafton Police Department (FBI ORI WI0460400) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Grafton, WI
Also known as
- Hamburg
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. Grafton (red), Wisconsin (blue), U.S. average (gray dashed).
Grafton 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 | 50.9(6) | 48.1(6) | 95.2(12) | 78.2(10) | 62.0(8) |
| Murder | 8.5(1) | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) |
| Rape | 8.5(1) | 24.1(3) | 23.8(3) | 31.3(4) | 15.5(2) |
| Robbery | 8.5(1) | 8.0(1) | 15.9(2) | 7.8(1) | 0.0(0) |
| Aggravated assault | 25.5(3) | 16.0(2) | 55.5(7) | 39.1(5) | 46.5(6) |
| Property crime | 1222.1(144) | 930.2(116) | 983.3(124) | 617.8(79) | 557.7(72) |
| Burglary | 67.9(8) | 32.1(4) | 39.6(5) | 31.3(4) | 54.2(7) |
| Larceny | 1137.2(134) | 874.0(109) | 904.0(114) | 570.8(73) | 495.7(64) |
| Motor vehicle theft | 17.0(2) | 24.1(3) | 39.6(5) | 15.6(2) | 7.7(1) |
How the Crime Grade is calculated
- What is the source of the Grafton, WI 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 Grafton 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 Grafton calculated?
- Grafton's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Wisconsin state decile calculated?
- Same calculation restricted to Wisconsin 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 Grafton 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 Wisconsin
Comparable Wisconsin cities by population.
Compare Grafton to other places
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