How many people live in Eaton County, MI?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 109,500 people living in Eaton County, MI. That makes Eaton County the 19th-most populous county in Michigan. It is home to 1.1% of people living in the state.
109K
population of Eaton County, MI (2024)
1.1%
County share of the Michigan population (2024)
About 109,500 people lived in Eaton County, MI in 2024.
Population estimates, 2000–2024
What are Eaton County, MI’s age demographics?
About 23,200 Eaton County residents are aged 65 and older in 2024. That represents 21.2% of its population. For comparison, the age group represents 19.6% of Michigan’s population and 18% in the US overall.
Another 22,100 Eaton County residents, or 20.2% 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 Eaton County, MI's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Eaton County, MI’s racial and ethnic demographics?
Non-Hispanic white residents make up 80.3% of the Eaton County, MI population, higher than the national share of 57.5%. Eaton County, MI also has a larger share of people identifying as non-Hispanic two or more races (2.7%) than the US overall (2.5%).
In contrast, Eaton County’s Hispanic population accounts for 6.6%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 7.2% 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.
Eaton 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 Eaton County, MI is Delta with about 33,200 residents in 2024.
Cities and towns in Eaton County, MI ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Delta | 33,211 |
| 2. | Charlotte | 9,301 |
| 3. | Grand Ledge (pt.) | 7,838 |
| 4. | Eaton Rapids | 5,184 |
| 5. | Lansing (pt.) | 5,091 |
| 6. | Eaton Rapids | 4,012 |
| 7. | Eaton | 4,011 |
| 8. | Oneida | 3,966 |
| 9. | Hamlin | 3,231 |
| 10. | Potterville | 3,121 |
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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.
