Crime Grade · FBI UCR Data · 2019
Waterloo, IL Crime Grade
How Waterloo 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
4/10
vs. all U.S. cities ≥ 25,000 population
Illinois
6/10
vs. Illinois cities ≥ 10,000 population
In 2019, the violent crime rate in Waterloo, IL was 133.1 per 100,000 residents (14 incidents over a population of 10,515). That puts Waterloo 65% below the U.S. rate of 380.9 and 68% below the Illinois statewide rate of 422.6.
That ranks Waterloo #1,466 of 3,771 ranked U.S. cities, safer than 61% of them, and #116 of 214 in Illinois. Violent crime is up 7% year over year and up 1261% over the last five years.
Waterloo, IL crime — key facts
- National Crime Grade
- B (4/10)
- Illinois Grade
- C (6/10)
- Violent crime rate
- 133.1 / 100k
- National rank
- #1,466 of 3,771
- IL rank
- #116 of 214
- Safer than
- 61% of U.S. cities
- Year over year
- up 7%
- 5-year change
- up 1261%
- Population
- 10,515
- Reporting agency
- Waterloo Police Department
- Data year
- 2019 · FBI UCR
Reported by Waterloo Police Department (FBI ORI IL0670200) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
Violent crime rate, 5-year trend
Per 100,000 residents. Waterloo (red), Illinois (blue), U.S. average (gray dashed).
Waterloo vs. U.S., 2019 — 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 | 2015 | 2016 | 2017 | 2018 | 2019 |
|---|---|---|---|---|---|
| Violent crime | 9.8(1) | 29.2(3) | 144.8(15) | 124.9(13) | 133.1(14) |
| Murder | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) | 9.5(1) |
| Rape | 0.0(0) | 0.0(0) | 19.3(2) | 67.3(7) | 38.0(4) |
| Robbery | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) |
| Aggravated assault | 9.8(1) | 29.2(3) | 125.5(13) | 57.6(6) | 85.6(9) |
| Property crime | 283.6(29) | 330.6(34) | 791.4(82) | 701.4(73) | 580.1(61) |
| Burglary | 9.8(1) | 0.0(0) | 144.8(15) | 96.1(10) | 133.1(14) |
| Larceny | 273.9(28) | 330.6(34) | 608.0(63) | 595.7(62) | 408.9(43) |
| Motor vehicle theft | 0.0(0) | 0.0(0) | 38.6(4) | 9.6(1) | 38.0(4) |
How the Crime Grade is calculated
- What is the source of the Waterloo, 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 Waterloo 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 Waterloo calculated?
- Waterloo'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 Waterloo 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 Waterloo to other places
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