Crime Grade · FBI UCR Data · 2025
Brookfield, IL Crime Grade
How Brookfield 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 Brookfield, IL was 48.0 per 100,000 residents (9 incidents over a population of 18,749). That puts Brookfield 85% below the U.S. rate of 325.3 and 80% below the Illinois statewide rate of 245.7.
That ranks Brookfield #474 of 3,771 ranked U.S. cities, safer than 87% of them, and #43 of 214 in Illinois. Violent crime is down 48% year over year and down 39% over the last five years.
Brookfield, IL crime — key facts
- National Crime Grade
- A (2/10)
- Illinois Grade
- A (3/10)
- Violent crime rate
- 48.0 / 100k
- National rank
- #474 of 3,771
- IL rank
- #43 of 214
- Safer than
- 87% of U.S. cities
- Year over year
- down 48%
- 5-year change
- down 39%
- Population
- 18,749
- Reporting agency
- Brookfield Police Department
- Data year
- 2025 · FBI UCR
Reported by Brookfield Police Department (FBI ORI IL0161300) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Brookfield, IL
Also known as
- Grossdale
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. Brookfield (red), Illinois (blue), U.S. average (gray dashed).
Brookfield 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 | 2016 | 2017 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Violent crime | 79.2(15) | 64.1(12) | 32.5(6) | 92.7(17) | 48.0(9) |
| Murder | 5.3(1) | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) |
| Rape | 31.7(6) | 26.7(5) | 5.4(1) | 21.8(4) | 16.0(3) |
| Robbery | 10.6(2) | 21.4(4) | 0.0(0) | 27.3(5) | 10.7(2) |
| Aggravated assault | 31.7(6) | 16.0(3) | 27.1(5) | 43.6(8) | 21.3(4) |
| Property crime | 1425.9(270) | 1218.3(228) | 21.7(4) | 643.8(118) | 522.7(98) |
| Burglary | 353.8(67) | 181.7(34) | 10.8(2) | 201.9(37) | 85.3(16) |
| Larceny | 998.2(189) | 1004.5(188) | 10.8(2) | 338.2(62) | 362.7(68) |
| Motor vehicle theft | 58.1(11) | 32.1(6) | 0.0(0) | 103.7(19) | 74.7(14) |
How the Crime Grade is calculated
- What is the source of the Brookfield, 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 Brookfield 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 Brookfield calculated?
- Brookfield'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 Brookfield 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.
Compare Brookfield to other places
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