20877 Zip Code, Gaithersburg
Last updated: October 17, 2026
Crime Rate & Statistics
Above-average safety — lower crime than most zip codes
Safer than 20% of zip codes in Gaithersburg
Summary: 20877 (Gaithersburg, MD) Crime Rate (2026)
ZIP 20877, Gaithersburg, MD has a crime safety grade of B+ as of 2026. The overall crime rate is 29% above the national average.
Data source: FBI UCR & local law enforcement data. Last updated: October 17, 2026.
Safety at a Glance
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in Gaithersburg
Is 20877 a Safe Zip Code?
Mixed — the grade is relative, but crime is above the national average. Zip code 20877 in Gaithersburg, MD has a safety grade of B+. The overall crime index is 129, which is 29% above the national average of 100. This zip code is safer than 20% of zip codes in Gaithersburg.
Compared to the Gaithersburg average (crime index 46), zip code 20877 is 83% higher in overall crime. Residents and visitors should exercise extra caution in this area, particularly after dark.
Looking at specific crime types, murder is the most elevated concern (index: 129, 29% above average), while burglary is the lowest risk (index: 86).
20877 Crime Breakdown
Crime indices compared to national average (100) and Gaithersburg city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
129 | +29% | Moderate | |
|
Assault
|
92 | -8% | Average | |
|
Robbery
|
88 | -12% | Average | |
|
Rape
|
104 | +4% | Moderate | |
| Property Crime | ||||
|
Burglary
|
86 | -14% | Average | |
|
Larceny / Theft
|
122 | +22% | Moderate | |
|
Vehicle Theft
|
118 | +18% | Moderate | |
How 20877 Compares
Crime index by category: 20877 vs Gaithersburg average vs national average.
Crime by Category
Overall Crime Comparison
20877 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
20877 Demographics & Context
Education
Housing
Racial Demographics
Other Zip Codes in Gaithersburg
Frequently Asked Questions
What is the crime rate in Zip code 20877, Gaithersburg?
Zip code 20877 in Gaithersburg, MD has a crime safety grade of B+ as of 2026. The overall crime index is 129, which is 29% above the national average. Compared to the Gaithersburg average, crime in Zip code 20877 is 83% higher. Zip code 20877 is safer than 20% of neighborhoods in Gaithersburg.
Is Zip code 20877 a safe neighborhood in Gaithersburg?
Zip code 20877 has a mixed safety picture with a crime grade of B+, and an overall crime index 129 (29% above the national average). Residents should take standard precautions. The highest concern is Murder (index: 129), while Burglary is the lowest risk (index: 86). It is one of the higher-crime neighborhoods in Gaithersburg.
How does Zip code 20877 compare to the rest of Gaithersburg?
Zip code 20877's overall crime index is 129, compared to the Gaithersburg average of 46. This means crime in Zip code 20877 is 83% higher than the city average. For violent crime, the index is 103, and for property crime it is 109. 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 20877?
The most common crime type in Zip code 20877 is Larceny / Theft, with a crime index of 122 (22% above the national average). Homicide is the most elevated type versus the national average (index 129), not the most frequent crime. Overall, property crime is more common than violent crime in this neighborhood, which is consistent with national trends.
What are safer neighborhoods near Zip code 20877?
Nearby neighborhoods with good safety ratings include 20882, 20878, 20879 and 20899. These areas are close to Zip code 20877 and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Zip code 20877?
Zip code 20877 has a population of approximately 39,992. The median household income is $95,727. The median home value is $447,701. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 20877 crime compare to the national average?
Zip code 20877's overall crime rate is 29% above the national average (index 129 vs 100). Within Gaithersburg, it is safer than 20% 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 October 2026.