01821 Zip Code, Billerica

Crime Rate & Statistics

A

Very safe zip code — well below-average crime rates

Safer than 0% of zip codes in Billerica

Safety at a Glance

Overall Crime Low
Low 45 / 300 High
Violent Crime 89
11% below national avg
Property Crime 56
44% below national avg
City Ranking
0%
safer than other
Billerica zip codes

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.

Highest Risk
Robbery · Index 136 (36% above avg)
Lowest Risk
Assault · Index 35 (65% below avg)

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.

Full Screen Map
Crime Level: Low Below Avg Average Above Avg High

See the crime score for a specific address

01821 Demographics & Context

Population
32,648
Median Income
$119,006
Home Value
$571,291
Median Age
41
Pop. Density
1,925/mi²

Education

Bachelor's Degree 22.7%
Graduate Degree 13%

Housing

80%
20%
Owner-occupied Renter-occupied

Racial Demographics

White 86.2%
Black 2.3%
Hispanic 2.6%
Asian 8.1%

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.