Crime Score for ZIP 50158, Green Mountain, IA
Green Mountain · Marshall County · July 2026 snapshot · powered by SpotCrime
Lower crime than 79.70% of US ZIP codes
National rank
#8,669
of 13,225 scored ZIPs
Iowa rank
#123
of 164 in state
Score index
36.1
crime intensity
Snapshot
July 2026
updated monthly
ZIP code 50158 covers part of Green Mountain in Marshall County, Iowa. In July 2026 it scored in the 20.3th percentile for reported crime among 13,225 scored US ZIP codes. That is a Low Crime rating, among the quietest quarter of scored ZIP codes.
Nationally it ranks #8,669, where #1 is the highest-crime ZIP in the country. Within Iowa it ranks #123 of 164. That is 36.1 points below the Iowa median of 56.4. It fell 21.61 percentile points between June 2026 and July 2026, from 41.91 to 20.30.
Higher percentile and a lower rank number both mean more reported crime. Levels are fixed cutoffs on the percentile: Low under 25, Below Average to 50, Above Average to 75, High to 90, Very High to 99, Extreme above. Scores reflect incidents reported by police and published by SpotCrime, so they measure reported crime, not every event that happens.
Monthly history
| Month | Percentile | National rank | State rank |
|---|---|---|---|
| July 2026(latest) | 20.30 | #8,669 | #123 |
| June 2026 | 41.91 | #7,040 | #101 |
Nearby ZIP codes
0 of 6 score lower than 50158. Closest scored ZIPs by distance.
On SpotCrime
The score on this page is built from the same incident reports SpotCrime maps.
Questions about 50158
- Is ZIP code 50158 safe?
- CrimeScore does not label places safe or unsafe. ZIP 50158 scores in the 20.3th percentile for reported crime as of July 2026, which is a Low Crime rating: among the quietest quarter of scored ZIP codes.. Scores reflect police reports, so areas with less reporting can look calmer than they are.
- How is the crime score for 50158 calculated?
- SpotCrime collects police incident reports for the area, weights them into a crime intensity index, and ranks that index against every scored US ZIP code to get a percentile. The score is republished monthly and carries a model hash so you can tell which version produced it.
- How does 50158 compare with the rest of Iowa?
- It ranks #123 of 164 scored ZIP codes in Iowa, against a state median of the 56.4th percentile. Nationally it ranks #8,669 of 13,225.
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Data: CrimeScore by SpotCrime, July 2026 publication. Scores describe areas, not people, and are not predictions. Terms.