County crime profile · 2024 · large county · property-led
Rock County, WI
At 163,687 residents, Rock County is a large county in Wisconsin. FBI UCR county totals below are read before any per-100,000 rate (Census denominator when matched).
Rock County, WI reported 24 violent crimes per 100,000 in FBI UCR 2024
According to the FBI Uniform Crime Reporting (UCR) Program for 2024, Rock County, WI agencies reported 40 violent and 163 property offenses. That equals about 24 violent and 100 property crimes per 100,000 using a verified Census population join. Table 10 coverage is a voluntary subset of U.S. counties.
2024 UCR year
40 violent offenses
24/100K violent rate
What the 2024 FBI UCR record shows for Rock County, WI
Position in the state cohort
Rock County sits mid-pack among comparable Wisconsin counties
At 24.4 reported violent offenses per 100,000 residents in 2024, Rock County ranks 46 of 64 — above 18 of the 63 other Wisconsin counties whose 2024 submission passes this site’s completeness test and carries a matched Census denominator. That is -51.0% against the cohort median of 49.9. Counties that did not report, or that reported implausibly low totals, are excluded from this cohort rather than counted as low-crime.
2020–2024 direction
The reported violent-crime rate ended the window higher
Across 5 comparable reporting years, the rate moved from 23.8 per 100,000 in 2020 to 24.4 in 2024 (+2.6%). The highest observed value was 32.4 in 2021 and the lowest 18.3 in 2023. Years whose submission failed the completeness test are left out of this comparison rather than plotted as change.
On a large county row, county figures aggregate every participating agency inside the county. Participation is voluntary. Per-100,000 rates use a separately matched 2020 U.S. Census county population, never a Table 10 field; unmatched counties stay count-only. A large county line encloses very different communities.
Crime Breakdown (2024) · property-led · large county
Category
Count
Property Crime
163
Burglary
38
Larceny-Theft
121
Motor Vehicle Theft
4
Arson
2
Violent Crime
40
Murder
2
Rape
7
Robbery
1
Aggravated Assault
30
Reporting Agency
Rock County Sheriff's Office NIBRS-participating
Rock County's crime figures on this page originate from Rock County Sheriff's Office's submission to the FBI's Uniform Crime Reporting Program.
This agency reports via NIBRS, the incident-based system that captures more detail per offense (multiple crimes per incident, victim/offender data) than the older summary counts.
Similar-Size Counties in Wisconsin
A per-capita rate is easiest to read against places of similar scale, so these are the Wisconsin counties closest to Rock County in population. Their populations run from 136,761 to 190,705, against 163,687 here. Or launch the
side-by-side compare tool
to benchmark two jurisdictions directly.
Source: FBI Uniform Crime Reporting (UCR) Program, Crime in the United States (CIUS) Table 10.
FBI Table 10 supplies county offense counts but no resident population. Where this page shows a per-100,000 rate, the denominator is a separately matched 2020 U.S. Census Bureau county population; unmatched county rows remain count-only. Statewide comparisons draw on the state UCR program. Verify with FBI.gov UCR and Census.gov QuickFacts.
County Table 10 totals are voluntary agency filings: incomplete coverage is not a county crime measure, and a countywide figure is not a neighbourhood verdict.