How many people live in Hendricks County, IN?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 190,600 people living in Hendricks County, IN. That makes Hendricks County the eighth-most populous county in Indiana. It is home to 2.7% of people living in the state.
191K
population of Hendricks County, IN (2024)
2.7%
County share of the Indiana population (2024)
About 190,600 people lived in Hendricks County, IN in 2024.
Population estimates, 2000–2024
What are Hendricks County, IN’s age demographics?
About 30,000 Hendricks County residents are aged 65 and older in 2024. That represents 15.8% of its population. For comparison, the age group represents 17.5% of Indiana’s population and 18% in the US overall.
Another 46,300 Hendricks County residents, or 24.3% 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 Hendricks County, IN's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Hendricks County, IN’s racial and ethnic demographics?
Non-Hispanic white residents make up 74.7% of the Hendricks County population, higher than the national share of 57.5%. Hendricks County also has a larger share of people identifying as non-Hispanic Black or African American (13.1%) than the US overall (12.6%).
In contrast, Hendricks County’s Hispanic population accounts for 5.8%, below the 20% nationwide, and the non-Hispanic Asian population makes up 3.8% of the county, compared with 6.5% 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.
Hendricks County, IN has a higher share of a non-Hispanic Black or African American population than Indiana as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Hendricks County, IN is Plainfield with about 30,800 residents in 2024.
Cities and towns in Hendricks County, IN ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Plainfield (pt.) | 30,836 |
| 2. | Brownsburg (pt.) | 27,477 |
| 3. | Avon (pt.) | 24,735 |
| 4. | Danville (pt.) | 11,763 |
| 5. | Plainfield (pt.) | 6,324 |
| 6. | Brownsburg (pt.) | 5,474 |
| 7. | Pittsboro (pt.) | 4,260 |
| 8. | Marion | 1,546 |
| 9. | Clayton | 949 |
| 10. | Danville (pt.) | 769 |
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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.
