How many people live in Shiawassee County, MI?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 68,000 people living in Shiawassee County, MI. That makes Shiawassee County the 28th-most populous county in Michigan. It is home to 0.67% of people living in the state.
68K
population of Shiawassee County, MI (2024)
0.67%
County share of the Michigan population (2024)
About 68,000 people lived in Shiawassee County, MI in 2024.
Population estimates, 2000–2024
What are Shiawassee County, MI’s age demographics?
About 14,200 Shiawassee County, MI residents are aged 65 and older in 2024. That represents 20.9% of its population. For comparison, the age group represents 19.6% of Michigan’s population and 18% in the US overall.
Another 13,800 Shiawassee County residents, or 20.3% 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 Shiawassee County, MI's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Shiawassee County, MI’s racial and ethnic demographics?
Non-Hispanic white residents make up 93.2% of the Shiawassee County, MI population, higher than the national share of 57.5%.
In contrast, Shiawassee County’s Hispanic population accounts for 3.5%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.74% 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.
Shiawassee 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 Shiawassee County, MI is Owosso with about 14,500 residents in 2024.
Cities and towns in Shiawassee County, MI ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Owosso | 14,544 |
| 2. | Owosso | 4,794 |
| 3. | Caledonia | 4,322 |
| 4. | Woodhull | 3,700 |
| 5. | Durand | 3,483 |
| 6. | Bennington | 3,119 |
| 7. | Corunna | 3,014 |
| 8. | Perry | 2,129 |
| 9. | Antrim | 2,115 |
| 10. | Sciota | 1,687 |
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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.
