How many people live in Mackinac County, MI?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 11,100 people living in Mackinac County, MI. That makes Mackinac County the 74th-most populous county in Michigan. It is home to 0.11% of people living in the state.
11.1K
population of Mackinac County, MI (2024)
0.11%
County share of the Michigan population (2024)
About 11,100 people lived in Mackinac County, MI in 2024.
Population estimates, 2000–2024
What are Mackinac County, MI’s age demographics?
About 3,400 Mackinac County residents are aged 65 and older in 2024. That represents 30.5% of its population. For comparison, the age group represents 19.6% of Michigan’s population and 18% in the US overall.
Another 1,700 Mackinac County residents, or 14.9% 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 Mackinac County, MI's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Mackinac County, MI’s racial and ethnic demographics?
Non-Hispanic white residents make up 70.8% of the Mackinac County, MI population, higher than the national share of 57.5%. Mackinac County, MI also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (15%) than the US overall (0.72%).
In contrast, Mackinac County’s Hispanic population accounts for 2.7%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 5.9% 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.
Mackinac County, MI has a higher share of a non-Hispanic American Indian and Alaska Native population than Michigan as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Mackinac County, MI is St. Ignace with about 2,300 residents in 2024.
Cities and towns in Mackinac County, MI ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | St. Ignace | 2,331 |
| 2. | Clark | 1,981 |
| 3. | Garfield | 1,181 |
| 4. | Moran | 1,061 |
| 5. | St. Ignace | 998 |
| 6. | Portage | 970 |
| 7. | Marquette | 625 |
| 8. | Mackinac Island | 613 |
| 9. | Brevort | 515 |
| 10. | Newton | 448 |
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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.
