Crime Grade · FBI UCR Data · 2025
Buffalo Grove, IL Crime Grade
How Buffalo Grove 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
1/10
vs. all U.S. cities ≥ 25,000 population
Illinois
1/10
vs. Illinois cities ≥ 10,000 population
In 2025, the violent crime rate in Buffalo Grove, IL was 23.2 per 100,000 residents (10 incidents over a population of 43,067). That puts Buffalo Grove Infinity% above the U.S. rate of 0.0 and 91% below the Illinois statewide rate of 245.7.
That ranks Buffalo Grove #171 of 3,771 ranked U.S. cities, safer than 95% of them, and #13 of 214 in Illinois. Violent crime is up 9% year over year and up 88% over the last five years.
Buffalo Grove, IL crime — key facts
- National Crime Grade
- A (1/10)
- Illinois Grade
- A (1/10)
- Violent crime rate
- 23.2 / 100k
- National rank
- #171 of 3,771
- IL rank
- #13 of 214
- Safer than
- 95% of U.S. cities
- Year over year
- up 9%
- 5-year change
- up 88%
- Population
- 43,067
- Reporting agency
- Buffalo Grove Police Department
- Data year
- 2025 · FBI UCR
Reported by Buffalo Grove Police Department (FBI ORI IL0161400) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Buffalo Grove, IL
Also known as
- Buffalo
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. Buffalo Grove (red), Illinois (blue), U.S. average (gray dashed).
Buffalo Grove 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 | 2020 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Violent crime | 12.4(5) | 37.7(16) | 35.5(15) | 21.3(9) | 23.2(10) |
| Murder | 0.0(0) | 9.4(4) | 0.0(0) | 0.0(0) | 0.0(0) |
| Rape | 2.5(1) | 4.7(2) | 11.8(5) | 4.7(2) | 4.6(2) |
| Robbery | 2.5(1) | 9.4(4) | 7.1(3) | 4.7(2) | 2.3(1) |
| Aggravated assault | 7.4(3) | 14.1(6) | 16.5(7) | 11.8(5) | 16.3(7) |
| Property crime | 554.7(224) | 621.6(264) | 711.4(301) | 733.2(310) | 429.6(185) |
| Burglary | 29.7(12) | 68.3(29) | 78.0(33) | 115.9(49) | 41.8(18) |
| Larceny | 505.2(204) | 511.0(217) | 586.1(248) | 551.0(233) | 364.5(157) |
| Motor vehicle theft | 19.8(8) | 35.3(15) | 40.2(17) | 52.0(22) | 18.6(8) |
How the Crime Grade is calculated
- What is the source of the Buffalo Grove, 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 Buffalo Grove 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 Buffalo Grove calculated?
- Buffalo Grove'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 Buffalo Grove 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 Buffalo Grove to other places
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