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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
Weather55°F · Chance Rain
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
  • Wind Advisory · Moderate
    Wind Advisory issued September 25 at 12:30PM EDT until September 27 at 8:00AM 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. Lexington maps to 42.445°, -71.230° — squarely within the temperate belt. Public datasets list a population of roughly 34,295. Open historical records trace its establishment to roughly 1640. The location receives about 1,392 kWh/m² of solar irradiance per year and sunshine for roughly 54% of daylight hours. Climatically, locations at this latitude tend to experience four distinct seasons with warm summers and cold winters. Time-zone records list it under Q941023. 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). Population density therefore averages about 2,078 per km², a high population density. The census-designated community sits at a modest elevation of 64 m and covers roughly 16.5 km² of territory. 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

Tonight
55°F
Chance Rain
Saturday
60°F
Heavy Rain
Saturday Night
54°F
Heavy Rain
Sunday
61°F
Heavy Rain
Sunday Night
56°F
Heavy Rain
Monday
61°F
Light Rain

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

Avg solar (kWh/m²/day)
3.81
Annual solar (kWh/m²)
1,392

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Books about Lexington

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Research-grade observations from iNaturalist (within ~15 mi).

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)
  • • iNaturalist
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Open Library
  • • 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