21664 Zip Code, Secretary
Crime Rate & Statistics
Very safe zip code — well below-average crime rates
Safer than 0% of zip codes in Secretary
Safety at a Glance
Check a specific address
in Secretary
Is 21664 a Safe Zip Code?
Yes — this zip code is very safe. Zip code 21664 in Secretary, MD has a safety grade of A. The overall crime index is 81, which is 19% below the national average of 100. This zip code is safer than 0% of zip codes in Secretary.
Compared to the Secretary average (crime index 81), zip code 21664 is 0% lower in overall crime. Crime levels here are roughly in line with the city average.
Looking at specific crime types, burglary is the most elevated concern (index: 143, 43% above average), while vehicle theft is the lowest risk (index: 18). Violent crime is a particular area of concern relative to property crime in this zip code.
21664 Crime Breakdown
Crime indices compared to national average (100) and Secretary city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
92 | -8% | Average | |
|
Assault
|
92 | -8% | Average | |
|
Robbery
|
108 | +8% | Moderate | |
|
Rape
|
118 | +18% | Moderate | |
| Property Crime | ||||
|
Burglary
|
143 | +43% | Moderate | |
|
Larceny / Theft
|
50 | -50% | Low | |
|
Vehicle Theft
|
18 | -82% | Low | |
How 21664 Compares
Crime index by category: 21664 vs Secretary average vs national average.
Crime by Category
Overall Crime Comparison
21664 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
21664 Demographics & Context
Education
Housing
Racial Demographics
Frequently Asked Questions
What is the crime rate in Zip code 21664, Secretary?
Zip code 21664 in Secretary, MD has a crime safety grade of A as of 2026. The overall crime index is 81, which is 19% below the national average. Compared to the Secretary average, crime in Zip code 21664 is 0% lower. Zip code 21664 is safer than 0% of neighborhoods in Secretary.
Is Zip code 21664 a safe neighborhood in Secretary?
Zip code 21664 is generally considered a safe neighborhood in Secretary, earning a crime grade of A. The highest concern is Burglary (index: 143), while Vehicle Theft is the lowest risk (index: 18). It is one of the safest neighborhoods in Secretary.
How does Zip code 21664 compare to the rest of Secretary?
Zip code 21664's overall crime index is 81, compared to the Secretary average of 81. This means crime in Zip code 21664 is 0% lower than the city average. For violent crime, the index is 103, and for property crime it is 70. 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 21664?
The most prevalent crime type in Zip code 21664 is Burglary, with a crime index of 143 (43% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are the demographics of Zip code 21664?
Zip code 21664 has a population of approximately 15. The median household income is $75,610. The median home value is $210,758. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 21664 crime compare to the national average?
Zip code 21664's overall crime rate is 19% below the national average (index 81 vs 100). Within Secretary, 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.