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Waltham city, Massachusetts

Waltham city profile, demographic data, and geographic information.

Waltham city is a geographic entity located in Middlesex County, Massachusetts. As of official census estimates, it has a reported population of 65,037. The land area covers 12.74 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 65,037 — 2025 / Census
Median Age 34.4 yrs ±1 2020-2024 / Census ACS 5-Year 2024
Total Households 25,498 ±608 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 26,728 ±625
Occupied Housing Units 25,498 ±608
Vacant Housing Units 1,230 ±339
Median Home Value $748,700 ±$27,073
Median Gross Rent $2,268 ±$79
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $120,216 ±$7,308
Per Capita Income $58,449 ±$2,740
Poverty Rate 9.4% ±1.6%
Population Below Poverty Level 5,392 ±925
Unemployment Rate 3.7% ±0.8%
Civilian Labor Force, Employed 37,385 ±1,135
Broadband Internet Rate 94% ±3.1%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 65,849 (2024)
ID: 183918
Municipal Official Local Government
Contact: MAYOR
610 MAIN ST, WALTHAM MA 02452-5580

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Waltham KG-05 Waltham, MA
Regular School Waltham KG-05 Waltham, MA
Regular School Waltham KG-05 Waltham, MA
Regular School Waltham KG-05 Waltham, MA
Regular School Waltham 06-08 Waltham, MA
Regular School Waltham 06-08 Waltham, MA
Regular School Waltham PK-05 Waltham, MA
Regular School Waltham KG-05 Waltham, MA
Regular School Waltham 09-12 Waltham, MA
Alternative School Waltham 09-12 Waltham, MA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Bentley University
College 1.0 mi away 175 Forest St, Waltham, MA, 02452-4705
7818912000
WALTHAM PUBLIC LIBRARY
Library 0.9 mi away 735 MAIN ST., WALTHAM, MA, 02451
(781) 314-3425
Brandeis University
College 1.9 mi away 415 South St, Waltham, MA, 02454-9110
7817362000
WATERTOWN FREE PUBLIC LIBRARY
Library 3.2 mi away 123 MAIN ST., WATERTOWN, MA, 02472
(617) 972-6434
Lasell University
College 3.2 mi away 1844 Commonwealth Avenue, Newton, MA, 02466
6172432000
WESTON PUBLIC LIBRARY
Library 3.2 mi away 87 SCHOOL STREET, WESTON, MA, 02493
(781) 786-6150
Hebrew College
College 3.7 mi away 1860 Washington Street, Newton, MA, 02466-3008
6175598600
BELMONT PUBLIC LIBRARY
Library 3.6 mi away 336 CONCORD AVE., BELMONT, MA, 02478
(617) 489-2000
Regis College
College 4.4 mi away 235 Wellesley St, Weston, MA, 02493-1571
7817687000
NEWTON FREE LIBRARY
Library 4.0 mi away 330 HOMER STREET, NEWTON, MA, 02459
(617) 796-1360
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at BEDFORD HANSCOM FLD, MA US, located 6.1 miles from Waltham city. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 36.8° 18.2° 27.5° 2.90" —
February 39.4° 19.3° 29.3° 2.69" —
March 47.5° 27.2° 37.3° 3.85" —
April 59.9° 37.1° 48.5° 3.84" —
May 70.4° 46.7° 58.6° 3.36" —
June 79.4° 56.2° 67.8° 3.72" —
July 85.1° 62.0° 73.6° 3.51" —
August 83.6° 60.3° 71.9° 3.47" —
September 75.7° 51.8° 63.7° 3.54" —
October 63.6° 40.8° 52.2° 4.24" —
November 52.4° 32.4° 42.4° 3.72" —
December 42.0° 24.0° 33.0° 3.76" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Waltham city City 0.0 mi —
Belmont CDP CDP 3.1 mi —
Watertown city City 3.5 mi —
Lexington CDP CDP 3.9 mi —
Newton city City 4.3 mi —
Arlington CDP CDP 4.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 2501772600. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.