ZIP code
02421
Lexington, MA
02421 covers Lexington in Middlesex County, with 17,798 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 02421. Methodology
ZIP code map of 02421
About ZIP code 02421
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 02421. Not ACS. Methodology
People in 02421
Race
- White10,853
- Black or African American326
- American Indian or Alaska Native13
- Asian6,186
- Other race259
- Two or more races1,313
Hispanic or Latino (any race): 706
Age
- Under 102,024
- 10 to 193,332
- 20 to 291,227
- 30 to 391,286
- 40 to 493,170
- 50 to 592,917
- 60 to 692,073
- 70 to 791,599
- 80 and older1,322
Income and housing in 02421
Education
- High school graduate97.0%
- Bachelor's degree84.7%
- Graduate degree59.0%
Places covering 02421
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Lexington100.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Middlesex County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Population history for 02421
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 16,644 | |
| 2006 | 15,762 | |
| 2007 | 16,827 | |
| 2008 | 16,818 | |
| 2009 | 17,258 | |
| 2010 | 17,308 | |
| 2011 | 17,298 | 17,603 |
| 2012 | 17,600 | 17,570 |
| 2013 | 17,813 | 17,610 |
| 2014 | 18,359 | 17,380 |
| 2015 | 18,286 | 17,770 |
| 2016 | 18,611 | 17,830 |
| 2017 | 18,760 | 17,800 |
| 2018 | 18,984 | 17,920 |
| 2019 | 18,622 | 17,970 |
| 2020 | 18,578 | 18,190 |
| 2021 | 18,784 | 17,930 |
| 2022 | 17,865 | 18,110 |
| 2023 | 17,798 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 02421
12 nearest ZIP centroids (any distance)
- 02420Lexington1.8 miPop 16,287 · Income $233,068
- 02451Waltham2.6 miPop 18,153 · Income $119,509
- 01731Hanscom AFB2.9 miPop 1,745 · Income $101,194
- 02452Waltham3.1 miPop 16,173 · Income $112,902
- 02476Arlington3.7 miPop 17,732 · Income $145,150
- 01773Lincoln3.7 miPop 5,257 · Income $197,292
- 02478Belmont4.3 miPop 26,966 · Income $177,790
- 02474Arlington4.4 miPop 28,283 · Income $139,199
- 01730Bedford4.7 miPop 14,478 · Income $158,286
- 02453Waltham4.8 miPop 30,314 · Income $114,029
- 01803Burlington4.9 miPop 26,068 · Income $142,421
- 01890Winchester5.0 miPop 22,862 · Income $218,176
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 02420 | Lexington | MA | 1.8 mi | 16,287 | $233,068 |
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 02421 FAQ
- What city is ZIP code 02421 in?
- 02421 is in Lexington, MA.
- What county is 02421 in?
- 02421 is in Middlesex County.
- What is the median household income in 02421?
- The median household income in 02421 is $212,843.
- Which ZIP codes are near 02421?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 02421.