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 a county in Michigan with a population of 41,478. It ranks #39 among counties in Michigan by population. The median age is 39.7, in line with the national median. The population is 54.1% male and 45.9% female.
The median household income in Gratiot County is $61,128, below the US median of $74,580. 8.8% of residents live below the federal poverty level. Home values sit at a median of $136,800, with monthly rent averaging $808. The homeownership rate of 78.9% is higher than the national rate of 64.8%.
Educational attainment in Gratiot County reflects 19.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 24.6 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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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.