Crime Grade · FBI UCR Data · 2025
DeKalb, IL Crime Grade
How DeKalb 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
7/10
vs. all U.S. cities ≥ 25,000 population
Illinois
8/10
vs. Illinois cities ≥ 10,000 population
In 2025, the violent crime rate in DeKalb, IL was 266.3 per 100,000 residents (108 incidents over a population of 40,558). That puts DeKalb Infinity% above the U.S. rate of 0.0 and 8% above the Illinois statewide rate of 245.7.
That ranks DeKalb #2,474 of 3,771 ranked U.S. cities, safer than 34% of them, and #163 of 214 in Illinois. Violent crime is down 33% year over year and down 56% over the last five years.
DeKalb, IL crime — key facts
- National Crime Grade
- C (7/10)
- Illinois Grade
- D (8/10)
- Violent crime rate
- 266.3 / 100k
- National rank
- #2,474 of 3,771
- IL rank
- #163 of 214
- Safer than
- 34% of U.S. cities
- Year over year
- down 33%
- 5-year change
- down 56%
- Population
- 40,558
- Reporting agency
- DeKalb Police Department
- Data year
- 2025 · FBI UCR
Reported by DeKalb Police Department (FBI ORI IL0190800) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About DeKalb, IL
Also known as
- Buena Vista
- DeKalb Center
- Huntleys Grove
- De Kalb
History
Founded in 1837, incorporated in 1856; named for Baron Johann De Kalb (1721-1780), who served in the Revolutionary War
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. DeKalb (red), Illinois (blue), U.S. average (gray dashed).
DeKalb 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 | 605.1(257) | 557.3(226) | 440.1(177) | 397.9(160) | 266.3(108) |
| Murder | 7.1(3) | 2.5(1) | 12.4(5) | 0.0(0) | 2.5(1) |
| Rape | 134.2(57) | 160.3(65) | 144.2(58) | 154.2(62) | 74.0(30) |
| Robbery | 56.5(24) | 76.4(31) | 47.2(19) | 34.8(14) | 37.0(15) |
| Aggravated assault | 407.3(173) | 318.1(129) | 236.2(95) | 208.9(84) | 152.9(62) |
| Property crime | 2394.3(1,017) | 2606.3(1,057) | 2516.0(1,012) | 2521.9(1,014) | 2191.9(889) |
| Burglary | 242.5(103) | 204.7(83) | 221.3(89) | 283.5(114) | 145.5(59) |
| Larceny | 1963.5(834) | 2231.5(905) | 2170.5(873) | 2183.6(878) | 1950.3(791) |
| Motor vehicle theft | 167.2(71) | 150.4(61) | 109.4(44) | 52.2(21) | 93.7(38) |
How the Crime Grade is calculated
- What is the source of the DeKalb, 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 DeKalb 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 DeKalb calculated?
- DeKalb'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 DeKalb 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 DeKalb to other places
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