Population

122,588

US Census estimate, July 2025

Median home value

$1,092,100

Owner-occupied units

Cambridge, MA

Massachusetts · 42.376° N, 71.119° W · 6 sq mi

Cambridge is a city in Massachusetts, with a population of 122,588 and about 19,163 residents per square mile. The median household earns $130,748 a year, and the median home is worth $1,092,100.

Conditions

Humidity & wind

—

UV index

—

Sunrise & sunset

—

Local time

—

Size & density

Land area

6 sq mi

Water excluded

Population density

19,163

People per square mile

Rank by population

#251

Of cities on this site

Rank by area

#866

Of cities on this site

Money & housing

Median household income

$130,748

US median ≈ $78,538

Median gross rent

$2,787

Per month

Homeownership

33.5%

US ≈ 65%

Average commute

25.8 min

One way

People

Median age

30.4

US median 39.1

Bachelor's degree +

80.8%

Age 25 and over

Foreign born

29.7%

Households

49,444

2.05 people each

What people here do for work

Education & health care 40.9^%

Professional & business services 24.5^%

Manufacturing 7^%

Finance, insurance & real estate 5.4^%

Top four industries · share of all workers · ACS 2024

Wealthiest person in Massachusetts

Name

Abigail Johnson

Forbes, Apr 2025

Net worth

$31.5B

As of 25 Apr 2025 — not live

Lives in

Milton

Source of wealth

Fidelity

Compiled from public reporting, not from an official dataset, and not independently verified.

Largest employer in Massachusetts · private sector

Employer

Mass General Brigham

Sector

Healthcare

Compiled from public reporting, not from an official dataset, and not independently verified. Government employers are excluded.

Largest public company in Massachusetts

Company

TJX

Revenue

$56.4B

Fiscal year 2024

Headquarters

Framingham

Ticker

TJX

Compiled from public reporting, not from an official dataset, and not independently verified.

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State of Massachusetts

State bird

Black-capped Chickadee

State flower

Mayflower

State capital

Boston

Nickname

The Bay State

Compare Cambridge with

Cities near Cambridge

Somerville, MA1 mi · 84,211
Medford, MA3 mi · 59,834
Brookline, MA4 mi · 63,266
Everett, MA4 mi · 53,572
Malden, MA5 mi · 66,370
Boston, MA6 mi · 672,973
Newton, MA6 mi · 90,741
Waltham, MA6 mi · 65,037