91108 Zip Code, San Marino
Crime Rate & Statistics
One of the safest zip codes — significantly below-average crime
Safer than 0% of zip codes in San Marino
Safety at a Glance
Check a specific address
in San Marino
Is 91108 a Safe Zip Code?
Yes — this zip code is extremely safe. Zip code 91108 in San Marino, CA has a safety grade of A+. The overall crime index is 10, which is 90% below the national average of 100. This zip code is safer than 0% of zip codes in San Marino.
Looking at specific crime types, robbery is the most elevated concern (index: 93, 7% below average), while assault is the lowest risk (index: 1). Violent crime is a particular area of concern relative to property crime in this zip code.
91108 Crime Breakdown
Crime indices compared to national average (100) and San Marino city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
6 | -94% | Low | |
|
Assault
|
1 | -99% | Low | |
|
Robbery
|
93 | -7% | Average | |
|
Rape
|
53 | -47% | Low | |
| Property Crime | ||||
|
Burglary
|
12 | -88% | Low | |
|
Larceny / Theft
|
1 | -99% | Low | |
|
Vehicle Theft
|
17 | -83% | Low | |
91108 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
91108 Demographics & Context
Education
Housing
Racial Demographics
Frequently Asked Questions
What is the crime rate in Zip code 91108, San Marino?
Zip code 91108 in San Marino, CA has a crime safety grade of A+ as of 2026. The overall crime index is 10, which is 90% below the national average. Zip code 91108 is safer than 0% of neighborhoods in San Marino.
Is Zip code 91108 a safe neighborhood in San Marino?
Zip code 91108 is generally considered a safe neighborhood in San Marino, earning a crime grade of A+. The highest concern is Robbery (index: 93), while Assault is the lowest risk (index: 1). It is one of the safest neighborhoods in San Marino.
What type of crime is most common in Zip code 91108?
The most prevalent crime type in Zip code 91108 is Robbery, with a crime index of 93 (7% below the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are the demographics of Zip code 91108?
Zip code 91108 has a population of approximately 13,549. The median household income is $188,715. The median home value is $2,557,494. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 91108 crime compare to the national average?
Zip code 91108's overall crime rate is 90% below the national average (index 10 vs 100). Within San Marino, it is safer than 0% of neighborhoods. For the most accurate picture, review the per-crime-type breakdown above, as some categories may differ significantly from the overall trend.
Crime data sourced from FBI UCR reports and local law enforcement agencies. Crime indices use 100 as the national average. Updated April 2026.