Zip Code 91978
CA · Population: 11,006
About Zip Code 91978
Zip code 91978 is located in California and is home to approximately 11,006 residents. It receives an overall grade of B (score: 64/100), 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 $95,541, with home values near $528,000 and rents around $2,200/month. Affordability is moderate compared to the rest of the country.
Educational attainment is below the national average, with 27.4% of adults holding a bachelor's degree or higher.
The unemployment rate of 6.7% 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 | 60 | B | Lower cost relative to income = higher |
| Quality of Life | 68 | B | Education, commute, ownership |
| Jobs & Economy | 49 | C | Lower unemployment = higher |
| Overall | 64 | 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).