Zip Code 91791
CA · Population: 33,902
About Zip Code 91791
Zip code 91791 is located in California and is home to approximately 33,902 residents. It receives an overall grade of B (score: 61/100), based on safety, affordability, quality of life, and employment metrics.
Crime rates here are below the national average, suggesting a relatively safe community.
The median household income here is $96,470, with home values near $715,400 and rents around $1,806/month. Affordability is moderate compared to the rest of the country.
About 33.3% of adults have a college degree, roughly in line with national averages.
The unemployment rate of 8.4% is above the national average, indicating a weaker local job market.
Scores are percentile-based: a score of 85 means this zip code ranks better than 85% of all US zip codes on that dimension. Data is sourced from the US Census Bureau (ACS 5-year estimates) and the FBI Uniform Crime Report.
Demographics & Economics
Score Breakdown
| Dimension | Score | Grade | Interpretation |
|---|---|---|---|
| Safety | 77 | B+ | Lower crime = higher score |
| Affordability | 69 | B | Lower cost relative to income = higher |
| Quality of Life | 57 | C+ | Education, commute, ownership |
| Jobs & Economy | 40 | C | Lower unemployment = higher |
| Overall | 61 | B | Weighted average |
Methodology
All scores are percentile-based (0–100): a score of 85 means this zip code ranks better than 85% of all US zip codes on that metric. Safety uses FBI Uniform Crime Report state-level data (Phase 2 will add zip-level granularity). Economic and demographic data is from the US Census Bureau American Community Survey (ACS) 5-year estimates (2022).