What is the largest city in Worcester County, MA?

Worcester is the largest city or town in Worcester County, with about 207,055 residents.

How many ZIP codes are in Worcester County?

Worcester County includes 85 ZIP Code Tabulation Areas, including 01005, 01031, 01037, 01068, 01074.

What is the population of Worcester County, MA?

About 867,788 people live in Worcester County, based on American Community Survey 5-year estimates.

What counties border Worcester County?

Worcester County borders Middlesex County, Norfolk County, Providence County, RI, Hampden County, Hillsborough County, NH, Hampshire County, Northeastern Connecticut Planning Region, CT, Cheshire County, NH, Franklin County.

Worcester County, MA: Cities, ZIP Codes & Local Data

Population

867,788

Land area

1,511sq mi

People per sq mi

574

ZIP codes

85

Worcester County at a glance

Worcester County is 36% less dense than Massachusetts as a whole.
By population, it ranks 2nd among 14 counties in Massachusetts.
The median household income is $95,939, 8% below the Massachusetts median of $103,960.
A typical owner-occupied home is valued at $423,700 (25% below Massachusetts) and median rent is $1,426 a month.
Its largest cities are Worcester (207,055), Leominster (43,909) and Fitchburg (41,798).

Local data for Worcester County, MA

Counts from official public data

Housing and community stats

Worcester County, MA, American Community Survey 2020-2024

Full profile

Median household income

$95,939

Poverty rate

10.3%

Median home value

$423,700

Prices +3.4% in a year

Median rent

$1,426/mo

Homeownership

65.8%

Bachelor's or higher

39.7%

Median age

40.2

Average commute

29.2 min

Largest reported origins and ancestries: Irish Americans (148,126), Italian Americans (99,495), French Americans (69,047).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.2%

Sep 2026, -0.3 pts in a year

Average annual pay

$74,037

356,384 jobs, 2025

Income per person

$71,909

BEA, 2024

Federal spending

$5.8B

FY 2026, $6,718 per person

PPP loans

$1.9B

20,073 loans, 200,744 jobs reported

Campaign donations

$3.2M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Worcester County, MA, workers 16 and older. American Community Survey 5-year estimates

Drove alone70.5%
Carpooled7.8%
Public transit1.5%
Walked2.2%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other2.3%
Worked from home15.6%

Average one-way commute: 29.2 minutes for people who do not work from home.

Environment and hazard risk

Worcester County, MA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: ice storm

Storm events since 1996

1,768

Most often thunderstorm wind

Flood insurance policies

1,081

0.5% of homes, county

July high / Jan low

83° / 13°F

47.7 inches of rain a year

Hazards, floods and storm history Check a flood zone 479 historic places

Health statistics

Share of adults in Worcester County, MA, CDC PLACES estimates

All 40 measures

Obesity

32.6%

U.S. 33.3% -0.7 pts

Diabetes

10.4%

U.S. 12.1% -1.7 pts

Smoking

12.3%

U.S. 12.8% -0.5 pts

Uninsured (18-64)

5.4%

U.S. 11.1% -5.7 pts

Cities, towns and ZIP codes in Worcester County

Population shown

Frequently asked questions

What is the largest city in Worcester County, MA?: Worcester is the largest city or town in Worcester County, with about 207,055 residents.
How many ZIP codes are in Worcester County?: Worcester County includes 85 ZIP Code Tabulation Areas, including 01005, 01031, 01037, 01068, 01074.
What is the population of Worcester County, MA?: About 867,788 people live in Worcester County, based on American Community Survey 5-year estimates.
What counties border Worcester County?: Worcester County borders Middlesex County, Norfolk County, Providence County, RI, Hampden County, Hillsborough County, NH, Hampshire County, Northeastern Connecticut Planning Region, CT, Cheshire County, NH, Franklin County.