How many people live in Brown County, OH?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 44,300 people living in Brown County, OH. That makes Brown County the 55th-most populous county in Ohio. It is home to 0.37% of people living in the state.
44.3K
population of Brown County, OH (2024)
0.37%
County share of the Ohio population (2024)
About 44,300 people lived in Brown County, OH in 2024.
Population estimates, 2000–2024
What are Brown County, OH’s age demographics?
About 8,800 Brown County residents are aged 65 and older in 2024. That represents 19.9% of its population. For comparison, the age group represents 19.1% of Ohio’s population and 18% in the US overall.
Another 10,100 Brown County residents, or 22.7% of the population, were children under 18. For comparison, the age group represents 21.7% of Ohio’s population and 21.6% in the US overall.
A lower share of Brown County, OH's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Brown County, OH’s racial and ethnic demographics?
Non-Hispanic white residents make up 95.5% of the Brown County, OH population, higher than the national share of 57.5%.
In contrast, Brown County’s Hispanic population accounts for 1.5%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.98% 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.
Brown County, OH has a higher share of a non-Hispanic white population than Ohio as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Brown County, OH is Georgetown with about 4,500 residents in 2024.
Cities and towns in Brown County, OH ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Georgetown (pt.) | 4,491 |
| 2. | Mount Orab (pt.) | 1,909 |
| 3. | Jackson | 1,754 |
| 4. | Ripley | 1,591 |
| 5. | Aberdeen | 1,542 |
| 6. | Mount Orab (pt.) | 1,435 |
| 7. | Eagle | 1,333 |
| 8. | Scott | 1,333 |
| 9. | Sardinia (pt.) | 1,109 |
| 10. | Mount Orab (pt.) | 1,056 |
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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.
