Crime Grade · FBI UCR Data · 2025
Round Lake, IL Crime Grade
How Round Lake grades for violent crime against every other reporting U.S. city — and against the rest of Illinois — based on the FBI's Uniform Crime Reporting data.
National
2/10
vs. all U.S. cities ≥ 25,000 population
Illinois
3/10
vs. Illinois cities ≥ 10,000 population
In 2025, the violent crime rate in Round Lake, IL was 59.0 per 100,000 residents (11 incidents over a population of 18,645). That puts Round Lake 82% below the U.S. rate of 325.3 and 76% below the Illinois statewide rate of 245.7.
That ranks Round Lake #625 of 3,771 ranked U.S. cities, safer than 83% of them, and #57 of 214 in Illinois. Violent crime is down 28% year over year and down 33% over the last five years.
Round Lake, IL crime — key facts
- National Crime Grade
- A (2/10)
- Illinois Grade
- A (3/10)
- Violent crime rate
- 59.0 / 100k
- National rank
- #625 of 3,771
- IL rank
- #57 of 214
- Safer than
- 83% of U.S. cities
- Year over year
- down 28%
- 5-year change
- down 33%
- Population
- 18,645
- Reporting agency
- Round Lake Police Department
- Data year
- 2025 · FBI UCR
Reported by Round Lake Police Department (FBI ORI IL0491600) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
Violent crime rate, 5-year trend
Per 100,000 residents. Round Lake (red), Illinois (blue), U.S. average (gray dashed).
Round Lake 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 | 2019 | 2020 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Violent crime | 87.6(16) | 71.9(13) | 81.6(15) | 81.8(15) | 59.0(11) |
| Murder | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) |
| Rape | 5.5(1) | 0.0(0) | 16.3(3) | 38.2(7) | 10.7(2) |
| Robbery | 16.4(3) | 22.1(4) | 16.3(3) | 27.3(5) | 5.4(1) |
| Aggravated assault | 65.7(12) | 49.8(9) | 48.9(9) | 16.4(3) | 42.9(8) |
| Property crime | 657.0(120) | 863.4(156) | 744.9(137) | 610.6(112) | 413.0(77) |
| Burglary | 93.1(17) | 99.6(18) | 70.7(13) | 60.0(11) | 37.5(7) |
| Larceny | 525.6(96) | 664.1(120) | 636.1(117) | 441.6(81) | 305.7(57) |
| Motor vehicle theft | 38.3(7) | 99.6(18) | 38.1(7) | 103.6(19) | 64.4(12) |
How the Crime Grade is calculated
- What is the source of the Round Lake, IL 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 Round Lake 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 Round Lake calculated?
- Round Lake's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Illinois state decile calculated?
- Same calculation restricted to Illinois 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 Round Lake 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 Illinois
Comparable Illinois cities by population.
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