Cambridge city, Massachusetts
Cambridge city profile, demographic data, and geographic information.
Cambridge city is a geographic entity located in Middlesex County, Massachusetts. As of official census estimates, it has a reported population of 122,588. The land area covers 6.40 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 122,588 | — | 2025 / Census |
| Median Age | 30.4 yrs | ±0.4 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 49,444 | ±765 | 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 | 54,840 | ±793 |
| Occupied Housing Units | 49,444 | ±765 |
| Vacant Housing Units | 5,396 | ±688 |
| Median Home Value | $1,092,100 | ±$42,162 |
| Median Gross Rent | $2,787 | ±$48 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $130,748 | ±$3,564 |
| Per Capita Income | $78,723 | ±$2,057 |
| Poverty Rate | 12.8% | ±1.2% |
| Population Below Poverty Level | 13,080 | ±1,249 |
| Unemployment Rate | 3.4% | ±0.6% |
| Civilian Labor Force, Employed | 70,999 | ±1,311 |
| Broadband Internet Rate | 94.8% | ±0.7% |
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: 121,186 (2024)
ID: 166448
|
Municipal | Official Local Government |
Contact: MAYOR
795 MASSACHUSETTS AVE, CAMBRIDGE MA 02139-3219
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Cambridge | PK-08 | Cambridge, MA | |
| Regular School Cambridge | PK-06 | Cambridge, MA | |
| Regular School Cambridge | 09-12 | Cambridge, MA | |
| Regular School Cambridge | 06-08 | Cambridge, MA | |
| Regular School Cambridge | PK-05 | Cambridge, MA | |
| Regular School Cambridge | 06-12 | Cambridge, MA | |
| Regular School Cambridge | PK-05 | Cambridge, MA | |
| Alternative School Cambridge | PK-05 | Cambridge, MA | |
| Regular School Cambridge | PK-05 | Cambridge, MA | |
| Regular School Cambridge | PK-05 | Cambridge, MA |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 3 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
CAMBRIDGE HEALTH ALLIANCE
|
Hospital | City address association | 1493 CAMBRIDGE STREET, CAMBRIDGE, MA, 02139 |
(617) 665-1000
|
|
Harvard University
|
College | 0.1 mi away | Massachusetts Hall, Cambridge, MA, 02138 |
6174951000
|
|
CAMBRIDGE PUBLIC LIBRARY
|
Library | 0.4 mi away | 449 BROADWAY, CAMBRIDGE, MA, 02138 |
(617) 349-4040
|
|
MOUNT AUBURN HOSPITAL
|
Hospital | City address association | 330 MOUNT AUBURN STREET, CAMBRIDGE, MA, 02138 |
(617) 492-3500
|
|
Lesley University
|
College | 0.3 mi away | 29 Everett St, Cambridge, MA, 02138-2790 |
6178689600
|
|
ALMA BOUDREAU BRANCH
|
Library | 0.9 mi away | 245 CONCORD AVENUE, CAMBRIDGE, MA, 02138 |
(617) 349-4017
|
|
Longy School of Music of Bard College
|
College | 0.3 mi away | 27 Garden Street, Cambridge, MA, 02138 |
6178760956
|
|
CENTRAL SQUARE BRANCH LIBRARY
|
Library | 1.1 mi away | 45 PEARL STREET, CAMBRIDGE, MA, 02139 |
(617) 349-4010
|
|
Massachusetts Institute of Technology
|
College | 1.7 mi away | 77 Massachusetts Avenue, Cambridge, MA, 02139-4301 |
6172531000
|
|
MILDRED A. O`NEILL BRANCH
|
Library | 1.3 mi away | 70 RINDGE AVENUE, CAMBRIDGE, MA, 02140 |
(617) 349-4023
|
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 5.0 miles from Cambridge 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 |
|---|---|---|---|
| Cambridge city | City | 0.0 mi | — |
| Somerville city | City | 1.3 mi | — |
| Watertown city | City | 3.1 mi | — |
| Medford city | City | 3.4 mi | — |
| Belmont CDP | CDP | 3.5 mi | — |
| Arlington CDP | CDP | 3.7 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 2501711000. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.