Data as of October 18, 2026 · refreshed automatically from the official Arkansas voter file
Benton County, Arkansas has 163,999 active registered voters across 436 precincts, as of October 2026.
Party registration
Arkansas doesn't register voters by party, so there's no party breakdown to show. Party lean is usually inferred from primary participation; that data is in the voter file and available inside Motion51.
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 119 | 581 | 393 | 67.64% |
| 2 | 259 | 629 | 422 | 67.09% |
| 3 | 104 | 1,158 | 747 | 64.51% |
| 4 | 263 | 460 | 293 | 63.7% |
| 5 | 198 | 474 | 298 | 62.87% |
| 6 | 261 | 547 | 343 | 62.71% |
| 7 | 197 | 1,772 | 1,110 | 62.64% |
| 8 | 324 | 521 | 322 | 61.8% |
| 9 | 123 | 612 | 374 | 61.11% |
| 10 | 283 | 1,012 | 617 | 60.97% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
How Benton County voted for president
Election results are public records.
Benton County at a glance.
Benton County had an estimated 321,566 residents in July 2024, the second most populous of Arkansas's 75 counties, up 13.1% since the 2020 census. Of those, 241,968 are 18 or older, the voting-age population, and 14.1% are 65 or older. Its 163,999 active registered voters equal about 67.8% of that voting-age population.
It covers 848 square miles of land (379 people per square mile), and 14.3% of residents live outside any incorporated city or town. The largest cities and towns are Rogers (75,639), Bentonville (61,791), Bella Vista (33,274), Centerton (25,745) and Siloam Springs (20,075). The American Community Survey (2020-2024) puts it at a median age of 35.9, a median household income of $93,506, 37.8% of adults 25 and older holding a bachelor's degree or higher and 67.0% of occupied homes owned by the people living in them.
In 2024, 128,595 votes were cast for president, about 53.1% of the voting-age population; the Democratic ticket took 35.2% and the Republican ticket 62.1%. The two-party margin moved from R+36.5 in 2008 to R+26.9 in 2024.
- Population (2024 estimate)
- 321,566
- Population (2020 census base)
- 284,334
- Voting-age population (18+)
- 241,968
- Active voters per 100 adults
- 67.8
- Residents 65 and older
- 14.1%
- People per square mile
- 379
- Living outside incorporated places
- 14.3%
- Land area
- 848 sq mi
- Median age
- 35.9
- Median household income
- $93,506
- Adults 25+ with a bachelor's degree
- 37.8%
- Owner-occupied homes
- 67.0%
Largest cities and towns
- Rogers 75,639
- Bentonville 61,791
- Bella Vista 33,274
- Centerton 25,745
- Siloam Springs 20,075
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 35.2% | 62.1% | R+26.9 | 128,595 |
| 2020 | 35.2% | 61.7% | R+26.5 | 119,912 |
| 2016 | 29.6% | 64.4% | R+34.8 | 94,262 |
| 2012 | 28.6% | 69.0% | R+40.4 | 77,525 |
| 2008 | 30.7% | 67.2% | R+36.5 | 76,073 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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