How many counties are in Massachusetts?

Massachusetts has 14 counties, according to the U.S. Census Bureau.

What is the largest city in Massachusetts?

Boston is the largest city in Massachusetts, with a population of about 666,442.

What is the population of Massachusetts?

Massachusetts has about 7,044,056 residents, based on the Census Bureau's American Community Survey 5-year estimates.

How many ZIP codes are in Massachusetts?

There are 539 ZIP Code Tabulation Areas in Massachusetts.

Massachusetts (MA): Counties, Cities

Population

7,044,056

Land area

7,801sq mi

People per sq mi

903

Cities and towns

248

Massachusetts at a glance

Households here earn a median of $103,960 a year, 29% more than the U.S. figure of $80,734.
A typical owner-occupied home is valued at $562,100 (69% above the U.S.) and median rent is $1,762 a month.
The biggest population centers are Boston (666,442), Worcester (207,055) and Springfield (154,749).

Local data for Massachusetts

Counts from official public data

Housing and community stats

Massachusetts, American Community Survey 2020-2024

Full profile

Median household income

$103,960

Poverty rate

10.0%

Median home value

$562,100

Prices +3.6% in a year

Median rent

$1,762/mo

Homeownership

62.5%

Bachelor's or higher

47.3%

Median age

40.0

Average commute

29.1 min

Largest reported origins and ancestries: Irish Americans (1,310,139), Italian Americans (783,820), German Americans (382,028).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.3%

Sep 2026, -0.3 pts in a year

Average annual pay

$100,085

3,634,042 jobs, 2025

Income per person

$93,607

BEA, 2024

Federal spending

$85.29B

FY 2026, $12,132 per person

PPP loans

$21.08B

217,222 loans, 2,101,586 jobs reported

Campaign donations

$172M

Itemized, 2026 cycle

Economy Federal spending PPP loans Campaign finance

Environment and hazard risk

Massachusetts, from FEMA, NOAA and EPA

Full report

High-risk counties

2

of 14 rated by FEMA

Storm events since 1996

15,489

60 deaths

Flood insurance policies

36,939

$439M paid since 1978

Superfund sites

41

357 toxic release facilities

Hazards, floods and storm history Check a flood zone 3,093 historic places

Health statistics

Share of adults in Massachusetts, CDC PLACES estimates

All 40 measures

Obesity

27.7%

U.S. 33.3% -5.6 pts

Diabetes

9.8%

U.S. 12.1% -2.3 pts

Smoking

11.3%

U.S. 12.8% -1.5 pts

Uninsured (18-64)

5.2%

U.S. 11.1% -5.9 pts

Largest cities in Massachusetts

Name	Population	Land area (sq mi)
Boston	666,442	48.3
Worcester	207,055	37.4
Springfield	154,749	31.9
Cambridge	118,796	6.4
Lowell	118,368	13.6
Brockton	105,386	21.3
Quincy	102,114	16.6
Lynn	101,709	10.7
New Bedford	100,998	20
Fall River	94,082	33.1
Newton	89,044	17.8
Lawrence	88,736	6.9
Somerville	81,036	4.1
Framingham	72,399	25
Haverhill	67,698	33
Malden	65,906	5
Waltham	64,902	12.7
Brookline	63,266	6.8
Taunton	60,433	46.7
Revere	60,012	5.7
Medford	59,354	8.1
Weymouth Town	58,505	16.8
Chicopee	55,295	22.9
Peabody	54,695	16.2
Methuen	53,475	22.2

Counties, cities and towns in Massachusetts

Population shown

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Frequently asked questions

How many counties are in Massachusetts?: Massachusetts has 14 counties, according to the U.S. Census Bureau.
What is the largest city in Massachusetts?: Boston is the largest city in Massachusetts, with a population of about 666,442.
What is the population of Massachusetts?: Massachusetts has about 7,044,056 residents, based on the Census Bureau's American Community Survey 5-year estimates.
How many ZIP codes are in Massachusetts?: There are 539 ZIP Code Tabulation Areas in Massachusetts.