Lexington, MA

Single-footprint Census roll-up for Lexington, MA: 2 USPS ZIPs, population 31,394. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet LEXINGTON-MA · Lexington, MA 2 ZIPs · 31,394 pop · #125/25278 · Middlesex County

INC-TOP · RANK-TOP · ABOVE-PEER · BOOK-FEW · OWN-MID · POP-SMALL · SPREAD-TIGHT · HOME-TOP

  • INC-TOP $236,422
  • RANK-TOP #125/25278
  • ABOVE-PEER over Arlington
  • BOOK-FEW 2 ZIPs
  • OWN-MID 81% owners
  • POP-SMALL 31,394
  • SPREAD-TIGHT 02421→02420
  • HOME-TOP $1,203,000

Nearest income peer: Arlington, MA ( $85,576 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Lexington

Lowest/highest poles plus county-sharing cities nearest Lexington on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Lexington, MA sits among US cities with a top-decile household income, on a small-city population base, across a handful of delivery areas.

Top 1%
household income vs 25,278 US cities
31,394
city population (Census)
2
USPS ZIP codes covered
$236,422
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 2 ZIPs: the city page and the ZIP page nearly coincide. Headline income $236,422 and home value $1,203,000 should be read as near-neighborhood numbers ; bachelor's attainment averages 84.4%.

Owner-occupancy sits in a mixed band (81.0%) - check the ZIP page's tenure split before treating Lexington as a pure owner town.

Within Massachusetts, Medfield is the closest lower-income city and Sudbury the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Lexington.

Within-city ZIP comparison

Where the ZIP codes inside Lexington differ

The published income range is comparatively compact across the ZIPs in Lexington: $227,813 in ZIP 02421 to $245,031 in 02420. The city average is therefore a more representative summary here, though each ZIP page still carries its own housing and demographic record.

Income high-to-low ratio
1.1×

02421 to 02420

Home-value high-to-low ratio
1.0×

02420 to 02421

Poverty-rate spread
3.6 points

02420 to 02421

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Lead ZIP 02421 skews compact Lexington

In this 2-ZIP cluster, 02421 covers about 55% of Lexington's 31,394 residents. City averages lean toward that lead; open a thinner sibling ZIP for the contrast the mean hides.

Census ZBP business roll-up

Employer-heavy short list in Lexington

Citywide ZBP: 1,086 establishments, 25,194 employees , annual payroll $3,751,868k (~35 establishments per 1,000 residents) across 2 of 2 ZIPs. Peak business ZIP 02421 (582 units) ; leading NAICS Professional, scientific, and technical services (261) · also Health care and social assistance · Other services (except public administration) .

View your shortlist →

ZIP Codes in Lexington, MA

These ZIP codes sit in Middlesex County, which covers 81 ZIP codes in all; 2 of them fall in Lexington. See the Middlesex County roll-up →

No other city sharing Middlesex County reports a higher average ZIP median income than Lexington. Lowell, Cambridge and Somerville sit below it, so a household comparing this county on income alone starts here. Lowell marks the far end of that range at $78,949, 67% below Lexington.

Side-by-side: Compare 02421 vs 02420 →

ZIP Code Population Median income Establishments Density
02421 17,342 $227,813 582 680
02420 14,052 $245,031 504 824

Lexington roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Lexington, .