Crime Score for ZIP 91107, Altadena, CA
Altadena · Los Angeles County · July 2026 snapshot · powered by SpotCrime
Higher crime than 60.29% of US ZIP codes
National rank
#4,320
of 13,225 scored ZIPs
California rank
#598
of 1500 in state
Score index
77.2
crime intensity
Snapshot
July 2026
updated monthly
ZIP code 91107 covers part of Altadena in Los Angeles County, California. In July 2026 it scored in the 60.3th 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 #4,320, where #1 is the highest-crime ZIP in the country. Within California it ranks #598 of 1500. That is 7.6 points above the California median of 52.7. It rose 10.11 percentile points between June 2026 and July 2026, from 50.18 to 60.29.
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) | 60.29 | #4,320 | #598 |
| June 2026 | 50.18 | #6,038 | #792 |
Nearby ZIP codes
2 of 6 score lower than 91107. Closest scored ZIPs by distance.
On SpotCrime
The score on this page is built from the same incident reports SpotCrime maps.
Questions about 91107
- Is ZIP code 91107 safe?
- CrimeScore does not label places safe or unsafe. ZIP 91107 scores in the 60.3th percentile for reported crime as of July 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 91107 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 91107 compare with the rest of California?
- It ranks #598 of 1500 scored ZIP codes in California, against a state median of the 52.7th percentile. Nationally it ranks #4,320 of 13,225.
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Data: CrimeScore by SpotCrime, July 2026 publication. Scores describe areas, not people, and are not predictions. Terms.