Crime Grade · FBI UCR Data · 2025
Riverdale, IL Crime Grade
How Riverdale 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
8/10
vs. all U.S. cities ≥ 25,000 population
Illinois
9/10
vs. Illinois cities ≥ 10,000 population
In 2025, the violent crime rate in Riverdale, IL was 381.6 per 100,000 residents (39 incidents over a population of 10,221). That puts Riverdale 17% above the U.S. rate of 325.3 and 55% above the Illinois statewide rate of 245.7.
That ranks Riverdale #2,966 of 3,771 ranked U.S. cities, safer than 21% of them, and #185 of 214 in Illinois. Violent crime is down 46% year over year and down 49% over the last five years.
Riverdale, IL crime — key facts
- National Crime Grade
- D (8/10)
- Illinois Grade
- F (9/10)
- Violent crime rate
- 381.6 / 100k
- National rank
- #2,966 of 3,771
- IL rank
- #185 of 214
- Safer than
- 21% of U.S. cities
- Year over year
- down 46%
- 5-year change
- down 49%
- Population
- 10,221
- Reporting agency
- Riverdale Police Department
- Data year
- 2025 · FBI UCR
Reported by Riverdale Police Department (FBI ORI IL0169300) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Riverdale, IL
Also known as
- South Lawn
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. Riverdale (red), Illinois (blue), U.S. average (gray dashed).
Riverdale 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 | 2018 | 2019 | 2020 | 2024 | 2025 |
|---|---|---|---|---|---|
| Violent crime | 743.1(99) | 866.2(114) | 667.9(87) | 709.4(71) | 381.6(39) |
| Murder | 37.5(5) | 30.4(4) | 30.7(4) | 69.9(7) | 39.1(4) |
| Rape | 82.6(11) | 83.6(11) | 61.4(8) | 79.9(8) | 39.1(4) |
| Robbery | 307.8(41) | 379.9(50) | 276.4(36) | 129.9(13) | 127.2(13) |
| Aggravated assault | 315.3(42) | 372.3(49) | 299.4(39) | 429.6(43) | 176.1(18) |
| Property crime | 2844.9(379) | 2689.8(354) | 2341.7(305) | 2867.4(287) | 2465.5(252) |
| Burglary | 660.6(88) | 706.6(93) | 445.3(58) | 479.6(48) | 401.1(41) |
| Larceny | 1779.0(237) | 1436.1(189) | 1374.3(179) | 1468.7(147) | 1399.1(143) |
| Motor vehicle theft | 390.3(52) | 547.1(72) | 491.4(64) | 909.2(91) | 655.5(67) |
How the Crime Grade is calculated
- What is the source of the Riverdale, 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 Riverdale 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 Riverdale calculated?
- Riverdale'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 Riverdale 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 Riverdale to other places
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