What is the largest city in Macomb County, MI?

Warren is the largest city or town in Macomb County, with about 137,928 residents.

How many ZIP codes are in Macomb County?

Macomb County includes 36 ZIP Code Tabulation Areas, including 48005, 48015, 48021, 48026, 48035.

What is the population of Macomb County, MI?

About 879,853 people live in Macomb County, based on American Community Survey 5-year estimates.

What counties border Macomb County?

Macomb County borders Wayne County, Oakland County, St. Clair County, Lapeer County.

Macomb County, MI: Cities, ZIP Codes & Local Data

Population

879,853

Land area

479sq mi

People per sq mi

1,836

ZIP codes

36

Macomb County at a glance

Macomb County is about 10 times as dense as Michigan as a whole.
By population, it ranks 3rd among 83 counties in Michigan.
The median household income is $77,837, 7% above the Michigan median of $72,875.
A typical owner-occupied home is valued at $243,900 (5% above Michigan) and median rent is $1,211 a month.
Its largest cities are Warren (137,928), Sterling Heights (133,573) and St. Clair Shores (58,140).

Local data for Macomb County, MI

Counts from official public data

Housing and community stats

Macomb County, MI, American Community Survey 2020-2024

Full profile

Median household income

$77,837

Poverty rate

10.4%

Median home value

$243,900

Prices +4.1% in a year

Median rent

$1,211/mo

Homeownership

75.0%

Bachelor's or higher

27.7%

Median age

41.3

Average commute

26.3 min

Largest reported origins and ancestries: German Americans (152,664), Polish Americans (111,086), Italian Americans (87,825).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

5.7%

Aug 2026, +1.2 pts in a year

Average annual pay

$72,038

331,515 jobs, 2025

Income per person

$60,760

BEA, 2024

Federal spending

$7.7B

FY 2026, $8,695 per person

PPP loans

$2.2B

25,134 loans, 251,464 jobs reported

Campaign donations

$4.8M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Macomb County, MI, workers 16 and older. American Community Survey 5-year estimates

Drove alone76.0%
Carpooled7.8%
Public transit0.6%
Walked1.0%
Bicycle0.2%
Taxi, ride-hailing, motorcycle or other1.0%
Worked from home13.4%

Average one-way commute: 26.3 minutes for people who do not work from home.

Environment and hazard risk

Macomb County, MI, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: tornado

Storm events since 1996

785

Most often thunderstorm wind

Flood insurance policies

1,360

0.5% of homes, county

July high / Jan low

82° / 18°F

35.0 inches of rain a year

Hazards, floods and storm history Check a flood zone 8 historic places

Health statistics

Share of adults in Macomb County, MI, CDC PLACES estimates

All 40 measures

Obesity

37.5%

U.S. 33.3% +4.2 pts

Diabetes

11.4%

U.S. 12.1% -0.7 pts

Smoking

15.2%

U.S. 12.8% +2.4 pts

Uninsured (18-64)

6.5%

U.S. 11.1% -4.6 pts

Cities, towns and ZIP codes in Macomb County

Population shown

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Frequently asked questions

What is the largest city in Macomb County, MI?: Warren is the largest city or town in Macomb County, with about 137,928 residents.
How many ZIP codes are in Macomb County?: Macomb County includes 36 ZIP Code Tabulation Areas, including 48005, 48015, 48021, 48026, 48035.
What is the population of Macomb County, MI?: About 879,853 people live in Macomb County, based on American Community Survey 5-year estimates.
What counties border Macomb County?: Macomb County borders Wayne County, Oakland County, St. Clair County, Lapeer County.