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Watertown city, Massachusetts

Watertown city profile, demographic data, and geographic information.

Watertown city is a geographic entity located in Middlesex County, Massachusetts. As of official census estimates, it has a reported population of 35,710. The land area covers 4.00 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 35,710 — 2025 / Census
Median Age 39.4 yrs ±1.3 2020-2024 / Census ACS 5-Year 2024
Total Households 16,371 ±500 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 17,206 ±496
Occupied Housing Units 16,371 ±500
Vacant Housing Units 835 ±244
Median Home Value $784,600 ±$31,188
Median Gross Rent $2,502 ±$107
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $126,265 ±$6,062
Per Capita Income $73,851 ±$3,569
Poverty Rate 7.5% ±1.6%
Population Below Poverty Level 2,653 ±560
Unemployment Rate 5.3% ±1.4%
Civilian Labor Force, Employed 21,247 ±659
Broadband Internet Rate 95.1% ±1.3%
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: 35,985 (2024)
ID: 194919
Municipal Official Local Government
Contact: TOWN CLERK
149 MAIN ST, WATERTOWN MA 02472-4423

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Watertown PK-05 Watertown, MA
Regular School Watertown PK-05 Watertown, MA
Regular School Watertown PK-05 Watertown, MA
Regular School Watertown 09-12 Watertown, MA
Regular School Watertown 06-08 Watertown, MA
Regular School Nearby KG-05 Lynn, MA
Regular School Nearby KG-05 Waban, MA
Regular School Nearby KG-05 Revere, MA
Regular School Nearby KG-05 Lynn, MA
Regular School Nearby PK-05 Revere, 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
Saint John's Seminary
College 1.9 mi away 127 Lake Street, Brighton, MA, 02135-3846
6172542610
WATERTOWN FREE PUBLIC LIBRARY
Library 0.5 mi away 123 MAIN ST., WATERTOWN, MA, 02472
(617) 972-6434
Boston College
College 2.3 mi away 140 Commonwealth Avenue, Chestnut Hill, MA, 02467
6175528000
FANEUIL BRANCH LIBRARY
Library 1.4 mi away 419 FANEUIL STREET, BRIGHTON, MA, 02135
(617) 782-6705
Bentley University
College 2.6 mi away 175 Forest St, Waltham, MA, 02452-4705
7818912000
DANIEL P. COLLINS BRANCH LIBRARY
Library 1.7 mi away 64 ABERDEEN AVENUE, CAMBRIDGE, MA, 02138
(617) 349-4021
Longy School of Music of Bard College
College 2.9 mi away 27 Garden Street, Cambridge, MA, 02138
6178760956
BELMONT PUBLIC LIBRARY
Library 1.8 mi away 336 CONCORD AVE., BELMONT, MA, 02478
(617) 489-2000
Harvard University
College 3.1 mi away Massachusetts Hall, Cambridge, MA, 02138
6174951000
BRIGHTON BRANCH LIBRARY
Library 2.0 mi away 40 ACADEMY HILL ROAD, BRIGHTON, MA, 02135
(617) 782-6032
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 JAMAICA PLAIN, MA US, located 5.3 miles from Watertown city. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 37.0° 19.4° 28.2° 3.87" —
February 39.6° 21.0° 30.3° 3.59" —
March 46.6° 28.4° 37.5° 4.49" —
April 58.8° 38.1° 48.5° 4.32" —
May 69.4° 48.2° 58.8° 3.64" —
June 78.8° 57.9° 68.4° 4.18" —
July 84.7° 64.0° 74.4° 3.49" —
August 83.1° 62.5° 72.8° 3.72" —
September 75.5° 54.9° 65.2° 3.96" —
October 63.7° 43.0° 53.3° 5.03" —
November 52.6° 34.2° 43.4° 3.99" —
December 42.4° 25.7° 34.0° 5.08" —
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
Watertown city City 0.0 mi —
Belmont CDP CDP 1.8 mi —
Newton city City 3.0 mi —
Cambridge city City 3.1 mi —
Waltham city City 3.5 mi —
Arlington CDP CDP 3.5 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 2501773405. • 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.