Official Zip Code NameLexington
Zip Code StateMassachusetts
Zip Code TypeNon-Unique
Area Code339 / 781
Current Population:17342
Racial Majority:White 71.65%
Public School Racial Majority:White 55.9%
Unemployment Rate:2.81%
Median Household Income$131694
Average Adjusted Gross Income$239615
School Test Performance:Excellent
Average Commute Time29.6 Minutes
Curent Temperature:
Current Time:
Time Zone:Eastern Daylight Time
Primary County: Middlesex
Elevation Range167 - 213 ft.
Area10 Sqm.
Coordinates(Y,X)42.44285965, -71.23251343

Zip Code 02421 Description

Zip Code 02421 is located in the state of Massachusetts in the Boston metro area. Zip code 02421 is primarily located in Middlesex County. The official US Postal Service name for 02421 is LEXINGTON, Massachusetts. Portions of zip code 02421 are contained within or border the city limits of Lexington, MA, Arlington, MA, Belmont, MA, and Waltham, MA. Zip code 02421 is within area code 339 and area code 781. 02421 can be classified socioeconically as a Upper Middle Class class zipcode in comparison to other zipcodes in Massachusetts.

The current unemployment level in 02421 is 2.81% which is lower than the current county unemployment level of 3.2% and is lower than the current state unemployment at 3.8% and lower than the current national unemployment rate at 4.9%.

According the 2010 US Census, the population of 02421 increased to 17342 from 16165 over the past 10 years. The majority ethnicity residing in 02421 is White while the majority ethnicity attending 02421 public schools is White. 7.4% of students in 02421 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 13154 71.65% 12606 +4%
 Black Or African American 291 1.59% 289 +1%
 Hispanic 470 2.56% 407 +15%
 American Indian Or Alaskan Native 29 0.16% 10 +190%
 Asian 3885 21.16% 3553 +9%
 Native Hawaiian & Other Pacific Islander 0 0% 2 -100%
 Other Race 48 0.49% 48 +88%
 Two Or More Races 427 2.4% 427 +3%

Zip Code 02421 Race/Ethnicity

 White 55.9%
 Black Or African American 4.3%
 Hispanic 3.6%
 Asian 31.4%
 Hawaii/Pacific Islander 0.1%
 American Indian Or Alaskan Native 0.1%
 Two or More Races 4.5%

Zip Code 02421 Public School Race/Ethnicity Profile

Total Population1734216165
Male Population47.40%
Female Population52.60%
Total Households6468
Test Score PerformanceExcellent
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$131694
Income Under $50K Per Year16.60%
Income $50K to $100K Per Year21.30%
Income Above $100K Per Year62.10%
114 US Congressional DistrictMassachusetts 5
RepresentativeKatherine Clark
Average Real Estate Asking Price$910938
Average Real Estate Sale Price$786682
Current Unemployment Level (June 2016)2.81%
Previous Month Unemployment Level3.23%
Unemployment Level 1 Year Ago3.57%
2012 Hardiness ZoneZone 6a: -10F to -5F
1990 Hardiness ZoneZone 5b: -15F to -10F
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All
Ecoregion 59d - Boston Basin
Average First Frost DatesOctober 1 - 10
Average Last Frost DatesMay 1 - 10

Zip Code 02421 Annual Climate Data

Avg Min Temp (°F)16182736465561595140322239
Avg Max Temp (°F)35384758697883817362514059
Avg Precip (In.)
Core Based Statistical
Area (CBSA)
Boston-Cambridge-Quincy, MA-NH
CBSA Type02421
CBSA Population4568927
Time ZoneEastern Daylight Time
IANA Time ZoneAmerica/New_York
Follows DSTYes
GMT Difference-5 Hours
North Waltham