01821 Zip Code, Billerica
Crime Rate & Statistics
Very safe zip code — well below-average crime rates
Safer than 0% of zip codes in Billerica
Safety at a Glance
Check a specific address
in Billerica
Is 01821 a Safe Zip Code?
Yes — this zip code is very safe. Zip code 01821 in Billerica, MA has a safety grade of A. The overall crime index is 45, which is 55% below the national average of 100. This zip code is safer than 0% of zip codes in Billerica.
Looking at specific crime types, robbery is the most elevated concern (index: 136, 36% above average), while assault is the lowest risk (index: 35). Violent crime is a particular area of concern relative to property crime in this zip code.
01821 Crime Breakdown
Crime indices compared to national average (100) and Billerica city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
56 | -44% | Low | |
|
Assault
|
35 | -65% | Low | |
|
Robbery
|
136 | +36% | Moderate | |
|
Rape
|
127 | +27% | Moderate | |
| Property Crime | ||||
|
Burglary
|
44 | -56% | Low | |
|
Larceny / Theft
|
59 | -41% | Low | |
|
Vehicle Theft
|
66 | -34% | Low | |
01821 Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
See the crime score for a specific address
01821 Demographics & Context
Education
Housing
Racial Demographics
Frequently Asked Questions
What is the crime rate in Zip code 01821, Billerica?
Zip code 01821 in Billerica, MA has a crime safety grade of A as of 2026. The overall crime index is 45, which is 55% below the national average. Zip code 01821 is safer than 0% of neighborhoods in Billerica.
Is Zip code 01821 a safe neighborhood in Billerica?
Zip code 01821 is generally considered a safe neighborhood in Billerica, earning a crime grade of A. The highest concern is Robbery (index: 136), while Assault is the lowest risk (index: 35). It is one of the safest neighborhoods in Billerica.
What type of crime is most common in Zip code 01821?
The most prevalent crime type in Zip code 01821 is Robbery, with a crime index of 136 (36% above the national average). Violent crime is a particular concern in this neighborhood relative to property crime.
What are the demographics of Zip code 01821?
Zip code 01821 has a population of approximately 32,648. The median household income is $119,006. The median home value is $571,291. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Zip code 01821 crime compare to the national average?
Zip code 01821's overall crime rate is 55% below the national average (index 45 vs 100). Within Billerica, 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.