How many people live in Mecosta County, MI?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 41,900 people living in Mecosta County, MI. That makes Mecosta County the 39th-most populous county in Michigan. It is home to 0.41% of people living in the state.
41.9K
population of Mecosta County, MI (2024)
0.41%
County share of the Michigan population (2024)
About 41,900 people lived in Mecosta County, MI in 2024.
Population estimates, 2000–2024
What are Mecosta County, MI’s age demographics?
About 9,000 Mecosta County residents are aged 65 and older in 2024. That represents 21.5% of its population. For comparison, the age group represents 19.6% of Michigan’s population and 18% in the US overall.
Another 7,900 Mecosta County residents, or 18.7% of the population, were children under 18. For comparison, the age group represents 20.8% of Michigan’s population and 21.6% in the US overall.
A higher share of Mecosta County, MI's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Mecosta County, MI’s racial and ethnic demographics?
Non-Hispanic white residents make up 90.1% of the Mecosta County, MI population, higher than the national share of 57.5%. Mecosta County, MI also has a larger share of people identifying as non-Hispanic two or more races (2.5%) than the US overall (2.5%).
In contrast, Mecosta County’s Hispanic population accounts for 3.3%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 2.4% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Mecosta County, MI has a higher share of a non-Hispanic white population than Michigan as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Mecosta County, MI is Big Rapids with about 8,600 residents in 2024.
Cities and towns in Mecosta County, MI ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Big Rapids | 8,565 |
| 2. | Big Rapids | 4,061 |
| 3. | Green | 3,366 |
| 4. | Colfax | 2,024 |
| 5. | Austin | 1,778 |
| 6. | Martiny | 1,658 |
| 7. | Wheatland | 1,432 |
| 8. | Sheridan | 1,373 |
| 9. | Chippewa | 1,276 |
| 10. | Hinton | 1,102 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
