How many people live in Benton County, AR?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 321,600 people living in Benton County, AR. That makes Benton County the second-most populous county in Arkansas. It is home to 10.3% of people living in the state.
322K
population of Benton County, AR (2024)
10.3%
County share of the Arkansas population (2024)
About 321,600 people lived in Benton County, AR in 2024.
Population estimates, 2000–2024
What are Benton County, AR’s age demographics?
About 45,400 Benton County, AR residents are aged 65 and older in 2024. That represents 14.1% of its population. For comparison, the age group represents 18.2% of Arkansas’s population and 18% in the US overall.
Another 79,600 Benton County, AR residents, or 24.8% of the population, were children under 18. For comparison, the age group represents 22.8% of Arkansas’s population and 21.6% in the US overall.
A lower share of Benton County, AR's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Benton County, AR’s racial and ethnic demographics?
Non-Hispanic white residents make up 68.9% of the Benton County, AR population, higher than the national share of 57.5%. Benton County, AR also has a larger share of people identifying as non-Hispanic two or more races (2.5%) than the US overall (2.5%).
In contrast, Benton County’s non-Hispanic Black or African American population accounts for 2.1%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 5.1% 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.
Benton County, AR has a higher share of a Hispanic population than Arkansas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Benton County, AR is Rogers with about 75,600 residents in 2024.
Cities and towns in Benton County, AR ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Rogers | 75,639 |
| 2. | Bentonville | 61,791 |
| 3. | Bella Vista | 33,274 |
| 4. | Centerton | 25,745 |
| 5. | Siloam Springs | 20,075 |
| 6. | Springdale (pt.) | 12,142 |
| 7. | Lowell | 11,568 |
| 8. | Pea Ridge | 10,190 |
| 9. | Cave Springs | 6,304 |
| 10. | Gentry | 4,672 |
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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.
