How many people live in Jackson County, IN?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 47,400 people living in Jackson County, IN. That makes Jackson County the 31st-most populous county in Indiana. It is home to 0.68% of people living in the state.
47.4K
population of Jackson County, IN (2024)
0.68%
County share of the Indiana population (2024)
About 47,400 people lived in Jackson County, IN in 2024.
Population estimates, 2000–2024
What are Jackson County, IN’s age demographics?
About 8,100 Jackson County residents are aged 65 and older in 2024. That represents 17.1% of its population. For comparison, the age group represents 17.5% of Indiana’s population and 18% in the US overall.
Another 12,200 Jackson County residents, or 25.8% of the population, were children under 18. For comparison, the age group represents 22.9% of Indiana’s population and 21.6% in the US overall.
A higher share of Jackson County, IN's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Jackson County, IN’s racial and ethnic demographics?
Non-Hispanic white residents make up 78.3% of the Jackson County, IN population, higher than the national share of 57.5%.
In contrast, Jackson County’s non-Hispanic Black or African American population accounts for 1.2%, below the 12.6% nationwide, and the Hispanic population makes up 15.6% of the county, compared with 20% 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.
Jackson County, IN has a higher share of a Hispanic population than Indiana as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Jackson County, IN is Seymour with about 20,500 residents in 2024.
Cities and towns in Jackson County, IN ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Seymour (pt.) | 20,534 |
| 2. | Brownstown | 3,077 |
| 3. | Seymour (pt.) | 1,990 |
| 4. | Owen | 1,618 |
| 5. | Hamilton | 1,598 |
| 6. | Crothersville | 1,517 |
| 7. | Pershing | 1,373 |
| 8. | Washington | 1,228 |
| 9. | Driftwood | 956 |
| 10. | Grassy Fork | 695 |
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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.