Gratiot County, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 39th-largest in Michigan
The population of Gratiot County, Michigan is 41,478 as of the 2023 American Community Survey, making it the 39th-largest county in Michigan. The median household income is $61,128, the median home value is $136,800, and the median age is 39.7.
The population of Gratiot County has declined 2.5% since 2010 (42,431 → 41,372), a -0.18% annualized rate.
41,478
Population
-0.18%
Annual growth
73
People / sq mi
$61,128
Median Income
$136,800
Median Home Value
Gratiot County covers 568 sq mi of land at 73.0 people per square mile.
About Gratiot County, MI
Gratiot County is distinguished by its share of foreign-born residents, 11.7% of the population. Gratiot County is a county in Michigan with a population of 41,478. It ranks #39 among counties in Michigan by population.
Median household income is $61,128, below the US median of $78,538. About 8.8% of residents live below the federal poverty level, below the national 12.4%. Homes carry a median value of $136,800, with typical rent around $808.
Degree attainment is mid-range for US counties: 19.0% of adults hold a four-year degree, below the national 35.0%. Around 7.1% of workers work from home, below the national 14.0%, and the average commute runs about 25 minutes each way.
Gratiot County Population History (2010-2024)
The county of Gratiot County had a population of 42,431 in 2010 and 41,372 in 2024, a -2.5% growth over 14 years. The peak was 42,431 in 2010. Average annual growth rate: -0.18%.
41,372
Population (2024)
42,431
Population (2010)
42,431
Peak (2010)
-0.18%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 42,431 |
| 2011 | 42,121 |
| 2012 | 41,975 |
| 2013 | 41,937 |
| 2014 | 41,468 |
| 2015 | 41,333 |
| 2016 | 40,937 |
| 2017 | 40,978 |
| 2018 | 40,582 |
| 2019 | 40,681 |
| 2020 | 41,687 |
| 2021 | 41,298 |
| 2022 | 41,134 |
| 2023 | 41,434 |
| 2024 | 41,372 |
Race & Ethnicity
| White | 87.4% |
| Black or African American | 5.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
39.7
Median Age
45.9%
Female
54.1%
Male
17.5%
Age 65+
Age Distribution
Children (under 15): 16.1% · Seniors (65+): 17.5%
Income & Poverty
| Median household income | $61,128$-10,021 vs state |
| Mean household income | $81,865 |
| Per-capita income | $29,558 |
| Poverty rate | 8.8% |
| Unemployment rate | 2.5% |
| Employment-to-population | 49.9% |
Top Industries by Employment
The largest employment sector in Gratiot County is professional & business services, accounting for 27.4% of workers.
How residents commute
0.6%
Drive alone
3.5%
Carpool
81.9%
Public transit
7.1%
Work from home
24.6 min
Avg commute
Housing
$136,800$-80,800 vs state
Median home value
$808
Median rent
78.9%
Homeownership rate
16,051
Total housing units
90.4%
Occupied
9.6%
Vacant
21.1%
Renter-occupied
Social & access
95.1%
With health insurance
92.7%
With broadband internet
11.7%
Foreign-born
5.4%
Veterans (18+)
15.7%
With a disability
95.5%
Speak language other than English at home
Education
91.9%
High School+
19.0%
Bachelor's+
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County rankings
Frequently Asked Questions
Gratiot County, Michigan has a population of 41,478 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 39th-largest county in Michigan. Population density is 73 people per square mile.
The population of Gratiot County has declined 2.5% since 2010 (42,431 → 41,372), a -0.18% annualized rate.
The median household income in Gratiot County, Michigan is $61,128, with mean (average) household income of $81,865 and per-capita income of $29,558. 8.8% of residents live below the federal poverty level.
In Gratiot County, the largest racial and ethnic groups are White (87.4%), Black or African American (5.5%), 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 Gratiot County, Michigan is 39.7 years. Residents are 45.9% female and 54.1% male.
The median home value in Gratiot County is $136,800 and median monthly rent is $808. 78.9% of occupied housing units are owner-occupied. The county has 16,051 total housing units, 9.6% of which are vacant.
The largest employment sector in Gratiot County, Michigan is professional, scientific, and management services, employing 27.4% of workers. The unemployment rate is 2.5%.
Detroit is among the largest cities associated with Gratiot County, Michigan, with a population of 636,644.
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Statewide data for Michigan
Population, race, income, age, and trends across Michigan
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.