02421 Zip Code, Lexington

Crime Rate & Statistics

A

Very safe zip code — well below-average crime rates

Safer than 0% of zip codes in Lexington

Safety at a Glance

Overall Crime Low
Low 28 / 300 High
Violent Crime 49
51% below national avg
Property Crime 10
90% below national avg
City Ranking
0%
safer than other
Lexington zip codes

Check a specific address

in Lexington

Is 02421 a Safe Zip Code?

Yes — this zip code is very safe. Zip code 02421 in Lexington, MA has a safety grade of A. The overall crime index is 28, which is 72% below the national average of 100. This zip code is safer than 0% of zip codes in Lexington.

Looking at specific crime types, assault is the most elevated concern (index: 92, 8% below average), while vehicle theft is the lowest risk (index: 0). Violent crime is a particular area of concern relative to property crime in this zip code.

Highest Risk
Assault · Index 92 (8% below avg)
Lowest Risk
Vehicle Theft · Index 0 (100% below avg)

02421 Crime Breakdown

Crime indices compared to national average (100) and Lexington city average. Higher values mean more crime.

Crime Type Index vs National Risk Level
Violent Crime
Murder
42 -58% Low
Assault
92 -8% Average
Robbery
24 -76% Low
Rape
39 -61% Low
Property Crime
Burglary
12 -88% Low
Larceny / Theft
18 -82% Low
Vehicle Theft
0 -100% Low

02421 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

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02421 Demographics & Context

Population
18,155
Median Income
$181,598
Home Value
$1,439,651
Median Age
46
Pop. Density
1,935/mi²

Education

Bachelor's Degree 28.3%
Graduate Degree 52.7%

Housing

72%
28%
Owner-occupied Renter-occupied

Racial Demographics

White 66.5%
Black 2.3%
Hispanic 2.8%
Asian 26.6%

Other Zip Codes in Lexington

Frequently Asked Questions

What is the crime rate in Zip code 02421, Lexington?

Zip code 02421 in Lexington, MA has a crime safety grade of A as of 2026. The overall crime index is 28, which is 72% below the national average. Zip code 02421 is safer than 0% of neighborhoods in Lexington.

Is Zip code 02421 a safe neighborhood in Lexington?

Zip code 02421 is generally considered a safe neighborhood in Lexington, earning a crime grade of A. The highest concern is Assault (index: 92), while Vehicle Theft is the lowest risk (index: 0). It is one of the safest neighborhoods in Lexington.

What type of crime is most common in Zip code 02421?

The most prevalent crime type in Zip code 02421 is Assault, with a crime index of 92 (8% below the national average). Violent crime is a particular concern in this neighborhood relative to property crime.

What are safer neighborhoods near Zip code 02421?

Nearby neighborhoods with good safety ratings include 02420. These areas are close to Zip code 02421 and offer lower crime rates, making them worth considering for residents who prioritize safety.

What are the demographics of Zip code 02421?

Zip code 02421 has a population of approximately 18,155. The median household income is $181,598. The median home value is $1,439,651. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.

How does Zip code 02421 crime compare to the national average?

Zip code 02421's overall crime rate is 72% below the national average (index 28 vs 100). Within Lexington, 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.