NEIGHBORSCORE

Lexington, Massachusetts · ZIP 02421

Lexington — ZIP 02421

Crime DataSchools

Lexington (02421) scores 91/100 — Excellent for Lexington. Safety: Lower reported-crime rate under the available data tier. Schools: Higher reported proficiency and grade-band coverage. A premium market - pricier than most of the state. The typical home value here is $1.67M.

91OUT OF 100

Overall NeighborScore

AExcellent

Tap a tab to compare 02421 against its city, state, or the nation.

Lower reported-crime rate under the available data tier.

Safety index95/100
Violent crime share11%
Property crime share89%

Higher reported proficiency and grade-band coverage.

School index86/100
Avg math proficiency81%
Avg reading proficiency78%
Schools nearby6

A premium market - pricier than most of the state.

Affordability index25/100
Typical home value$1.67M
Median rent$4,241/mo

How this score is calculated: the NeighborScore composite weights crime 53% and schools 47%, each normalized to the local area. Home affordability is shown for context and is not factored into the overall score. Sources & methodology →

Last refreshed — Schools: Aug 2026 · Real estate: Aug 2026 · Demographics: Jun 2026

Nearby Neighborhoods

Not the right fit? See how adjacent ZIPs score — tap to jump over.

Lexington, MassachusettsLexingtonZIP 02420
84▼7 vs here
Waltham, MassachusettsWalthamZIP 02451
55▼36 vs here
Arlington, MassachusettsArlingtonZIP 02476
88▼3 vs here
Waltham, MassachusettsWalthamZIP 02452
62▼29 vs here

More ZIPs in Lexington

Lexington, MassachusettsLexingtonZIP 02420
84▼7 vs here

Real Estate Snapshot

Typical Home Value

$1.67M

Median Rent

$4,241/mo

Days on Market

—

Sale-to-List

—

Typical Home Value — 23 Months

Median Rent — 5 Months

Crime Overview

Total Incidents

19,564

Violent Crime

3,323

Property Crime

16,241

Crime statistics for this area are estimated from FBI-reported county-level data for Middlesex County, Massachusetts (2025). This ZIP does not yet have city-specific monthly crime data, so figures reflect the entire county rather than this ZIP alone.

Full Crime Report →

Nearby Schools

Grades
Lexington High09–122,405
86%
88%
Jonas Clarke Middle06–08796
80%
81%
Maria HastingsKG–05579
80%
77%
BowmanKG–05429
80%
75%
BridgeKG–05345
77%
67%
Lexington Children's PlacePK–PK70Not reportedNot reported

Directory and latest enrollment: NCES Common Core of Data (SY 2024–25 where reported). Proficiency: U.S. Department of Education EDFacts SY 2021–22; state standards are not directly comparable.

Note: schools marked “Not reported” (often small or specialized programs) lack state proficiency data and aren't included in the Schools score.

Full School Report →

Demographics

Population

17,798

Median Income

$228K

Homeownership

76%

Median Age

48.2 yrs

Source: US Census Bureau ACS 5-Year Estimates (2024).

Map

Guides Featuring ZIP 02421

Frequently Asked Questions

ZIP 02421 has a reported-crime score of 95/100. A higher score represents a lower reported-crime rate under the best available data tier for this ZIP; it is not a guarantee of safety. Review the crime report and current local police data before making a decision.
ZIP 02421 has a school score of 86/100. The index combines reported SY 2021–22 math and reading proficiency with grade-band coverage. Nearby or county-level estimates may be used where ZIP-level reporting is sparse, and state assessment standards are not directly comparable.
The latest home value or sale-price figure available for ZIP 02421 is approximately $1.67M. The profile identifies the underlying source; Zillow ZHVI is a typical home value measure, while Redfin data is a median sale-price measure. These are different metrics and may lag current listings.
ZIP 02421 in Lexington has an overall NeighborScore of 91/100. It combines the crime score (53%) and school score (47%); affordability is context only. Use the component data and its coverage notes rather than treating the composite as a complete measure of livability.