Macomb County, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 3rd-largest in Michigan
The population of Macomb County, Michigan is 877,624 as of the 2023 American Community Survey, making it the 3rd-largest county in Michigan. The median household income is $76,399, the median home value is $231,400, and the median age is 41.1.
The population of Macomb County has grown 5.3% since 2010 (841,350 → 886,175), a +0.37% annualized rate.
877,624
Population
+0.37%
Annual growth
1831
People / sq mi
$76,399
Median Income
$231,400
Median Home Value
Macomb County covers 479 sq mi of land at 1830.9 people per square mile.
About Macomb County, MI
What distinguishes Macomb County is density: among the most densely settled of US counties, around 1,831 people per square mile. Macomb County is a county in Michigan with a population of 877,624. That makes it one of the ten largest counties in Michigan in the country, at #3 by population.
Households take in a median $76,399, comfortably near the US median of $78,538. About 7.3% of residents live below the federal poverty level, below the national 12.4%. A typical home is worth $231,400, with typical rent around $1,175.
College attainment is above the local norm at 27.2%, below the national 35.0%. A solid 11.5% of workers are based at home, below the national 14.0%, and the average commute runs about 27 minutes each way.
That density explains much of the rest of the profile in Macomb County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Macomb County Population History (2010-2024)
The county of Macomb County had a population of 841,350 in 2010 and 886,175 in 2024, a 5.3% growth over 14 years. The peak was 886,175 in 2024. Average annual growth rate: 0.37%.
886,175
Population (2024)
841,350
Population (2010)
886,175
Peak (2024)
0.37%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 841,350 |
| 2011 | 844,159 |
| 2012 | 849,761 |
| 2013 | 857,146 |
| 2014 | 862,914 |
| 2015 | 865,031 |
| 2016 | 868,329 |
| 2017 | 870,867 |
| 2018 | 872,089 |
| 2019 | 872,389 |
| 2020 | 880,294 |
| 2021 | 877,789 |
| 2022 | 875,735 |
| 2023 | 879,271 |
| 2024 | 886,175 |
Race & Ethnicity
| White | 76.2% |
| Black or African American | 12.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
41.1
Median Age
51.0%
Female
49.0%
Male
17.9%
Age 65+
Age Distribution
Children (under 15): 16.9% · Seniors (65+): 17.9%
Income & Poverty
| Median household income | $76,399+$5,250 vs state |
| Mean household income | $96,605 |
| Per-capita income | $39,467 |
| Poverty rate | 7.3%-1.5% vs state |
| Unemployment rate | 3.7% |
| Employment-to-population | 60.1% |
Top Industries by Employment
The largest employment sector in Macomb County is manufacturing, accounting for 20.8% of workers.
How residents commute
0.6%
Drive alone
1.0%
Carpool
77.8%
Public transit
11.5%
Work from home
26.8 min
Avg commute
Housing
$231,400+$13,800 vs state
Median home value
$1,175
Median rent
75.0%
Homeownership rate
371,723
Total housing units
95.9%
Occupied
4.1%
Vacant
25.0%
Renter-occupied
Social & access
95.0%
With health insurance
95.2%
With broadband internet
10.1%
Foreign-born
5.4%
Veterans (18+)
13.9%
With a disability
84.8%
Speak language other than English at home
Education
90.8%
High School+
27.2%
Bachelor's+
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County rankings
Common questions about Macomb County, MI
Frequently Asked Questions
Macomb County, Michigan has a population of 877,624 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 3rd-largest county in Michigan. Population density is 1831 people per square mile.
The population of Macomb County has grown 5.3% since 2010 (841,350 → 886,175), a +0.37% annualized rate.
The median household income in Macomb County, Michigan is $76,399, with mean (average) household income of $96,605 and per-capita income of $39,467. 7.3% of residents live below the federal poverty level.
In Macomb County, the largest racial and ethnic groups are White (76.2%), Black or African American (12.5%), Hispanic or Latino (1.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Macomb County, Michigan is 41.1 years. Residents are 51.0% female and 49.0% male.
The median home value in Macomb County is $231,400 and median monthly rent is $1,175. 75.0% of occupied housing units are owner-occupied. The county has 371,723 total housing units, 4.1% of which are vacant.
The largest employment sector in Macomb County, Michigan is manufacturing, employing 20.8% of workers. The unemployment rate is 3.7%.
Detroit is among the largest cities associated with Macomb County, Michigan, with a population of 636,644.
Macomb County, MI Climate
Macomb County, MI has an average annual temperature of 8.9°C (48°F) and receives about 805 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
8.9°C
Avg Temp
805
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 23° | 45 mm |
| February | -4° / 25° | 42 mm |
| March | 1° / 34° | 60 mm |
| April | 8° / 46° | 73 mm |
| May | 14° / 57° | 72 mm |
| June | 19° / 67° | 81 mm |
| July | 22° / 72° | 81 mm |
| August | 21° / 70° | 82 mm |
| September | 17° / 63° | 82 mm |
| October | 11° / 51° | 56 mm |
| November | 4° / 40° | 67 mm |
| December | -2° / 29° | 64 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Macomb County, MI
The most comfortable months to visit Macomb County, MI are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -8°C low). August is usually the wettest month.
Where to stay near Macomb County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.