Crime Grade · FBI UCR Data · 2025
Oswego, IL Crime Grade
How Oswego 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
3/10
vs. all U.S. cities ≥ 25,000 population
Illinois
4/10
vs. Illinois cities ≥ 10,000 population
In 2025, the violent crime rate in Oswego, IL was 70.2 per 100,000 residents (28 incidents over a population of 39,860). That puts Oswego Infinity% above the U.S. rate of 0.0 and 71% below the Illinois statewide rate of 245.7.
That ranks Oswego #773 of 3,771 ranked U.S. cities, safer than 80% of them, and #74 of 214 in Illinois. Violent crime is up 90% year over year and up 9% over the last five years.
Oswego, IL crime — key facts
- National Crime Grade
- A (3/10)
- Illinois Grade
- B (4/10)
- Violent crime rate
- 70.2 / 100k
- National rank
- #773 of 3,771
- IL rank
- #74 of 214
- Safer than
- 80% of U.S. cities
- Year over year
- up 90%
- 5-year change
- up 9%
- Population
- 39,860
- Reporting agency
- Oswego Police Department
- Data year
- 2025 · FBI UCR
Reported by Oswego Police Department (FBI ORI IL0470300) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Oswego, IL
Also known as
- Oswego Mills
- Lodi
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. Oswego (red), Illinois (blue), U.S. average (gray dashed).
Oswego 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 | 64.2(24) | 89.1(32) | 74.1(27) | 36.9(14) | 70.2(28) |
| Murder | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) | 2.5(1) |
| Rape | 40.1(15) | 41.7(15) | 38.4(14) | 31.7(12) | 27.6(11) |
| Robbery | 2.7(1) | 5.6(2) | 8.2(3) | 0.0(0) | 22.6(9) |
| Aggravated assault | 21.4(8) | 41.7(15) | 27.5(10) | 5.3(2) | 17.6(7) |
| Property crime | 337.2(126) | 531.6(191) | 642.3(234) | 556.8(211) | 421.5(168) |
| Burglary | 24.1(9) | 36.2(13) | 57.6(21) | 89.7(34) | 42.6(17) |
| Larceny | 275.7(103) | 442.5(159) | 551.8(201) | 422.2(160) | 336.2(134) |
| Motor vehicle theft | 32.1(12) | 39.0(14) | 32.9(12) | 42.2(16) | 42.6(17) |
How the Crime Grade is calculated
- What is the source of the Oswego, 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 Oswego 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 Oswego calculated?
- Oswego'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 Oswego 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 Oswego to other places
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