21012 Zip Code, Arnold
Crime Rate & Statistics
Very safe zip code — well below-average crime rates
Safer than 0% of zip codes in Arnold
Safety at a Glance
Is 21012 a Safe Zip Code?
Zip code 21012 in Arnold, MD has a safety grade of A. The overall crime index is 59, which is 41% below the national average of 100. This zip code is safer than 0% of zip codes in Arnold.
Compared to the Arnold average (crime index 60), zip code 21012 is 1% lower in overall crime. Crime levels here are roughly in line with the city average.
Looking at specific crime types, rape is the most elevated concern (index: 93, 7% below average), while burglary is the lowest risk (index: 50).
Overall, zip code 21012 is considered a safe area for residents and visitors. Standard urban awareness is recommended, but the area benefits from lower-than-average crime rates across most categories.
21012 Crime Breakdown
Crime indices compared to national average (100) and Arnold city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
66 | -34% | Low | |
|
Assault
|
64 | -36% | Low | |
|
Robbery
|
82 | -18% | Average | |
|
Rape
|
93 | -7% | Average | |
| Property Crime | ||||
|
Burglary
|
50 | -50% | Low | |
|
Larceny / Theft
|
89 | -11% | Average | |
|
Vehicle Theft
|
77 | -23% | Low | |
How 21012 Compares
Crime index by category: 21012 vs Arnold average vs national average.
Crime by Category
Overall Crime Comparison
21012 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
21012 Demographics & Context
Education
Housing
Racial Demographics
Frequently Asked Questions
What is the crime rate in Zip code 21012, Arnold?
Zip code 21012 in Arnold, MD has a crime safety grade of A as of 2026. The overall crime index is 59, which is 41% below the national average. Compared to the Arnold average, crime in Zip code 21012 is 1% lower. Zip code 21012 is safer than 0% of neighborhoods in Arnold.
Is Zip code 21012 a safe neighborhood in Arnold?
Zip code 21012 is generally considered a safe neighborhood in Arnold, earning a crime grade of A. The highest concern is Rape (index: 93), while Burglary is the lowest risk (index: 50). It is one of the safest neighborhoods in Arnold.
How does Zip code 21012 compare to the rest of Arnold?
Zip code 21012's overall crime index is 59, compared to the Arnold average of 60. This means crime in Zip code 21012 is 1% lower than the city average. For violent crime, the index is 76, and for property crime it is 72. However, crime can vary block by block, so checking the crime map for specific streets is recommended.
What type of crime is most common in Zip code 21012?
The most prevalent crime type in Zip code 21012 is Rape, 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 21012?
Zip code 21012 has a population of approximately 23,625. The median household income is $137,747. The median home value is $577,090. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 21012 crime compare to the national average?
Zip code 21012's overall crime rate is 41% below the national average (index 59 vs 100). Within Arnold, 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 March 2026.