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Lexington

MassachusettsCDP

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Total population

34,295

Median home value

$1,203,100

84.3%

Bachelor's+

Median income

$238,444

Lexington$238k
National$74k

Air quality index

47Good
Weather90°F · Patchy Fog then Mostly Sunny
Coordinates42.45°, -71.23°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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Active weather alerts
  • Heat Advisory · Moderate
    Heat Advisory issued June 11 at 7:54AM EDT until June 12 at 8:00PM EDT by NWS Boston/Norton MA

Source: NOAA National Weather Service.

City facts

Overview

Lexington sits in Massachusetts, United States and is identified as a census-designated community. Public datasets list a population of roughly 34,454. Lexington maps to 42.445°, -71.230° — squarely within the temperate belt. Climate records indicate average highs near 60.4°F and lows near 43.4°F and about 47.7 in of annual precipitation (a wet total). Public records associate its founding with 1640. Time-zone records list it under Q941023. The census-designated community sits at a modest elevation of 64 m and covers roughly 16.5 km² of territory. Climatically, locations at this latitude tend to experience four distinct seasons with warm summers and cold winters. Population density therefore averages about 2,088 per km², a high population density. The remainder of this page draws on open public data to describe the area's demographics, climate, environment and nearby amenities.

Summary composed automatically from structured open data on this page. See our Terms for details.

History & geography

Demographics & economy

Median age
47.3
Median home value
$1,203,100
Housing units
12,754
Poverty rate
4.7%
Unemployment
2.9%

Race & ethnicity

White
55.8%
Black
1.7%
Asian
33.8%
Hispanic
3.5%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
42.4452
Longitude
-71.2300
Water area
0.21 mi²
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Avg high
60.4°F
Avg low
43.4°F
Annual precipitation
47.7 in

10-year averages from ERA5 reanalysis (Open-Meteo).

Current forecast

Today
90°F
Patchy Fog then Mostly Sunny
Tonight
71°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
Friday
89°F
Mostly Sunny then Slight Chance Rain Showers
Friday Night
66°F
Showers And Thunderstorms Likely
Saturday
90°F
Sunny
Saturday Night
65°F
Mostly Clear

Forecast for Lexington, MA from NOAA NWS API.

Air quality

US AQI — Good
47
PM2.5 (µg/m³)
10.6
PM10 (µg/m³)
11
Ozone (µg/m³)
81
NO₂ (µg/m³)
11.9

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
22.7%
Diabetes
6.7%
Adult obesity
18.8%
Binge drinking
16.2%
Adult smoking
5.7%
No leisure activity
14%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
3,957,057
Distinct species (top 10)
10

Most-observed species

  • Turdus migratorius Linnaeus, 1766
    Turdus migratorius Linnaeus, 1766 · Aves
    156,260
  • Cyanocitta cristata (Linnaeus, 1758)
    Cyanocitta cristata (Linnaeus, 1758) · Aves
    147,730
  • Cardinalis cardinalis (Linnaeus, 1758)
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    129,404
  • Poecile atricapillus (Linnaeus, 1766)
    Poecile atricapillus (Linnaeus, 1766) · Aves
    126,358
  • Zenaida macroura (Linnaeus, 1758)
    Zenaida macroura (Linnaeus, 1758) · Aves
    116,507
  • Passer domesticus (Linnaeus, 1758)
    Passer domesticus (Linnaeus, 1758) · Aves
    113,740
  • Melospiza melodia (A.Wilson, 1810)
    Melospiza melodia (A.Wilson, 1810) · Aves
    110,533
  • Dryobates pubescens (Linnaeus, 1766)
    Dryobates pubescens (Linnaeus, 1766) · Aves
    105,210

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
12
Largest magnitude
3.8
Largest event
2025-01-27

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Massachusetts

Browse all places in Massachusetts

Geography & sun

Nearby airports

Public attention

Books about this place

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Nearest stream gauge

Events

Sources

  • US Census Bureau (ACS 5-year estimates)
  • Open-Meteo (ERA5 reanalysis)
  • NOAA National Weather Service
  • Wikidata
  • Open-Meteo Air Quality (CAMS)
  • USGS Earthquake Catalog (global feed)
  • GBIF (Global Biodiversity Information Facility)
  • CDC PLACES
  • Wikidata SPARQL (CC0) — population, area, elevation, inception, head of government, Commons image

Notes: Nearby POIs unavailable; Photos unavailable; Schools data unavailable; Walkability unavailable; EPA pollution data unavailable; Livability counts unavailable; FEMA NRI data unavailable; Wikipedia History/Geography sections unavailable; Wikidata facts unavailable