Crime Score for Plymouth County, IA
County FIPS 19149 · Iowa · July 2026 snapshot · powered by SpotCrime
Higher crime than 86.93% of US counties
National rank
#1,423
of 735 scored counties
Iowa rank
#44
in state
Score index
164.2
crime intensity
Scored ZIPs
2
in this county
Plymouth County in Iowa scored in the 86.9th percentile for reported crime among US counties in July 2026. That is a High Crime rating, in the top quarter of scored counties for reported crime. It ranks #1,423 nationally and #44 in Iowa. It fell 4.02 percentile points between June 2026 and July 2026, from 90.95 to 86.93.
Within the county, 2 ZIP codes have published scores. Their median is the 47.5th percentile; the highest is 51028 at 47.52 and the lowest is 51108 at 26.02. A county score summarises the whole area, so a ZIP inside it can sit well above or below it.
ZIP codes in Plymouth County, ranked
Monthly history
| Month | Percentile | National rank | State rank |
|---|---|---|---|
| July 2026 | 86.93 | #1,423 | #44 |
| June 2026 | 90.95 | #1,098 | #56 |
Data: CrimeScore by SpotCrime. Scores describe areas, not people, and are not predictions. Terms.