20851 Zip Code, Rockville
Crime Rate & Statistics
Above-average safety — lower crime than most zip codes
Safer than 0% of zip codes in Rockville
Safety at a Glance
Check a specific address
in Rockville
Is 20851 a Safe Zip Code?
Yes — this zip code is safer than most. Zip code 20851 in Rockville, MD has a safety grade of B+. The overall crime index is 97, which is 3% below the national average of 100. This zip code is safer than 0% of zip codes in Rockville.
Compared to the Rockville average (crime index 99), zip code 20851 is 2% 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: 132, 32% above average), while burglary is the lowest risk (index: 60).
20851 Crime Breakdown
Crime indices compared to national average (100) and Rockville city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
103 | +3% | Moderate | |
|
Assault
|
73 | -27% | Low | |
|
Robbery
|
92 | -8% | Average | |
|
Rape
|
132 | +32% | Moderate | |
| Property Crime | ||||
|
Burglary
|
60 | -40% | Low | |
|
Larceny / Theft
|
108 | +8% | Moderate | |
|
Vehicle Theft
|
83 | -17% | Average | |
How 20851 Compares
Crime index by category: 20851 vs Rockville average vs national average.
Crime by Category
Overall Crime Comparison
20851 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
20851 Demographics & Context
Education
Housing
Racial Demographics
Other Zip Codes in Rockville
Frequently Asked Questions
What is the crime rate in Zip code 20851, Rockville?
Zip code 20851 in Rockville, MD has a crime safety grade of B+ as of 2026. The overall crime index is 97, which is 3% below the national average. Compared to the Rockville average, crime in Zip code 20851 is 2% lower. Zip code 20851 is safer than 0% of neighborhoods in Rockville.
Is Zip code 20851 a safe neighborhood in Rockville?
Zip code 20851 is generally considered a safe neighborhood in Rockville, earning a crime grade of B+. The highest concern is Rape (index: 132), while Burglary is the lowest risk (index: 60). It is one of the higher-crime neighborhoods in Rockville.
How does Zip code 20851 compare to the rest of Rockville?
Zip code 20851's overall crime index is 97, compared to the Rockville average of 99. This means crime in Zip code 20851 is 2% lower than the city average. For violent crime, the index is 100, and for property crime it is 84. 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 20851?
The most prevalent crime type in Zip code 20851 is Rape, with a crime index of 132 (32% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are safer neighborhoods near Zip code 20851?
Nearby neighborhoods with good safety ratings include 20852, 20853 and 20850. These areas are close to Zip code 20851 and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Zip code 20851?
Zip code 20851 has a population of approximately 13,194. The median household income is $113,588. The median home value is $495,064. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 20851 crime compare to the national average?
Zip code 20851's overall crime rate is 3% below the national average (index 97 vs 100). Within Rockville, 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.