Crime Grade · FBI UCR Data · 2025
Ionia, MI Crime Grade
How Ionia grades for violent crime against every other reporting U.S. city — and against the rest of Michigan — based on the FBI's Uniform Crime Reporting data.
National
7/10
vs. all U.S. cities ≥ 25,000 population
Michigan
6/10
vs. Michigan cities ≥ 10,000 population
In 2025, the violent crime rate in Ionia, MI was 258.2 per 100,000 residents (31 incidents over a population of 12,005). That puts Ionia 21% below the U.S. rate of 325.3 and 39% below the Michigan statewide rate of 422.8.
That ranks Ionia #2,423 of 3,771 ranked U.S. cities, safer than 36% of them, and #75 of 138 in Michigan. Violent crime is up 40% year over year and up 5% over the last five years.
Ionia, MI crime — key facts
- National Crime Grade
- C (7/10)
- Michigan Grade
- C (6/10)
- Violent crime rate
- 258.2 / 100k
- National rank
- #2,423 of 3,771
- MI rank
- #75 of 138
- Safer than
- 36% of U.S. cities
- Year over year
- up 40%
- 5-year change
- up 5%
- Population
- 12,005
- Reporting agency
- Ionia Police Department
- Data year
- 2025 · FBI UCR
Reported by Ionia Police Department (FBI ORI MI3449100) to the FBI Uniform Crime Reporting Program. Download the full dataset (CSV) · methodology.
About Ionia, MI
Also known as
- Ionia Centre
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. Ionia (red), Michigan (blue), U.S. average (gray dashed).
Ionia 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 | 246.5(27) | 179.0(21) | 314.2(40) | 184.9(22) | 258.2(31) |
| Murder | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) | 0.0(0) |
| Rape | 146.1(16) | 119.4(14) | 196.4(25) | 100.8(12) | 124.9(15) |
| Robbery | 0.0(0) | 0.0(0) | 23.6(3) | 8.4(1) | 0.0(0) |
| Aggravated assault | 100.4(11) | 59.7(7) | 94.3(12) | 75.6(9) | 133.3(16) |
| Property crime | 1177.5(129) | 741.7(87) | 424.2(54) | 554.6(66) | 466.5(56) |
| Burglary | 73.0(8) | 153.5(18) | 94.3(12) | 25.2(3) | 66.6(8) |
| Larceny | 1049.7(115) | 528.6(62) | 298.5(38) | 495.8(59) | 374.8(45) |
| Motor vehicle theft | 54.8(6) | 51.2(6) | 31.4(4) | 33.6(4) | 25.0(3) |
How the Crime Grade is calculated
- What is the source of the Ionia, MI 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 Ionia 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 Ionia calculated?
- Ionia's rate placed against all FBI-reporting U.S. cities with population ≥ 25,000. 1 = safest.
- How is the Michigan state decile calculated?
- Same calculation restricted to Michigan 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 Ionia 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 Michigan
Comparable Michigan cities by population.
Compare Ionia to other places
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