Crime Score for ZIP 50647, Janesville, IA
Janesville · Black Hawk County · June 2026 snapshot · powered by SpotCrime
Higher crime than 64.16% of US ZIP codes
National rank
#4,344
of 13,225 scored ZIPs
Iowa rank
#52
of 164 in state
Score index
81.0
crime intensity
Snapshot
June 2026
updated monthly
ZIP code 50647 covers part of Janesville in Black Hawk County, Iowa. In June 2026 it scored in the 64.2th percentile for reported crime among 13,225 scored US ZIP codes. That is a Above Average rating, above the national midpoint for reported crime.
Nationally it ranks #4,344, where #1 is the highest-crime ZIP in the country. Within Iowa it ranks #52 of 164. That is 7.8 points above the Iowa median of 56.4.
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.
Nearby ZIP codes
3 of 6 score lower than 50647. Closest scored ZIPs by distance.
On SpotCrime
The score on this page is built from the same incident reports SpotCrime maps.
Questions about 50647
- Is ZIP code 50647 safe?
- CrimeScore does not label places safe or unsafe. ZIP 50647 scores in the 64.2th percentile for reported crime as of June 2026, which is a Above Average rating: above the national midpoint for reported crime.. Scores reflect police reports, so areas with less reporting can look calmer than they are.
- How is the crime score for 50647 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 50647 compare with the rest of Iowa?
- It ranks #52 of 164 scored ZIP codes in Iowa, against a state median of the 56.4th percentile. Nationally it ranks #4,344 of 13,225.
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Data: CrimeScore by SpotCrime, June 2026 publication. Scores describe areas, not people, and are not predictions. Terms.