321,566 people (2024 Census estimate, +12.2% since 2020)
848 square miles of land · 379 people per square mile
“Highest” and “lowest” are just order, not grades: a high rank for poverty or hazard losses means more of it. Each figure's source is in its section below.
28 active community water systems list Benton County in the area they serve, reporting 408,523 people served in all (a system that crosses county lines counts its whole population).
| SPRINGDALE WATER UTILITIES buys surface water · local government · AR0000575 | 100,795 served |
| ROGERS WATER UTILITIES buys surface water · local government · AR0000055 | 81,443 served |
| BENTONVILLE WATER UTILITIES buys surface water · local government · AR0000041 | 51,250 served |
| BELLA VISTA POA buys surface water · local government · AR0000039 | 39,419 served |
| CENTERTON WATERWORKS buys surface water · local government · AR0000044 | 27,243 served |
| SILOAM SPRINGS WATERWORKS surface water · local government · AR0000056 | 23,940 served |
| WASHINGTON WATER AUTHORITY WWA buys surface water · local government · AR0000574 | 20,140 served |
| PEA RIDGE WATERWORKS buys surface water · local government · AR0000053 | 12,795 served |
Source: U.S. EPA Safe Drinking Water Information System (SDWIS), active community systems, . Look up any system's violations and test results with EPA's search using its ID.
About 479 people were held in Benton County's jail, in Vera's latest figure (2020), or 257 per 100,000 residents ages 15–64. In 2015 it was about 426.
Source: Vera Institute of Justice, Incarceration Trends (built from federal Bureau of Justice Statistics jail surveys). Counties without their own jail, or that share one, may show no figure.
7 school districts have their office in Benton County. School taxes are usually the largest part of a property tax bill.
Spent $268.8 million — $231.1 million to run schools, about $12,377 per student, plus $22.4 million on buildings and equipment. Money in: $53.3 million local (mostly property tax), $193.1 million state, $22.5 million federal. Long-term debt: $359 million.
Spent $211.4 million — $183.9 million to run schools, about $11,519 per student, plus $18.9 million on buildings and equipment. Money in: $35.5 million local (mostly property tax), $151.5 million state, $27.7 million federal. Long-term debt: $198.6 million.
Spent $60.7 million — $53.1 million to run schools, about $11,517 per student, plus $6.1 million on buildings and equipment. Money in: $7.7 million local (mostly property tax), $43.9 million state, $8.6 million federal. Long-term debt: $50.7 million.
Spent $28.9 million — $25.7 million to run schools, about $10,298 per student, plus $2 million on buildings and equipment. Money in: $4.1 million local (mostly property tax), $23.3 million state, $2.9 million federal. Long-term debt: $37 million.
Spent $28 million — $24.1 million to run schools, about $11,609 per student, plus $2.9 million on buildings and equipment. Money in: $5.2 million local (mostly property tax), $18.7 million state, $3.7 million federal. Long-term debt: $43.2 million.
Spent $21.7 million — $20.2 million to run schools, about $12,477 per student, plus $987,000 on buildings and equipment. Money in: $5.1 million local (mostly property tax), $15.4 million state, $3.3 million federal. Long-term debt: $23.5 million.
Spent $9.5 million — $7.8 million to run schools, about $12,528 per student, plus $1.4 million on buildings and equipment. Money in: $1.1 million local (mostly property tax), $6.1 million state, $1.8 million federal. Long-term debt: $9.3 million.
Source: U.S. Census Bureau, 2023 Annual Survey of School System Finances. Districts are listed by the county of their main office; some serve neighboring counties too.
Source: County Health Rankings & Roadmaps 2025 (University of Wisconsin Population Health Institute), which gathers federal data (CDC, Census, and others); measures cover different recent years. Blank lines aren't reported for small counties.
Overall risk: Relatively Moderate compared with other U.S. counties. FEMA estimates natural hazards cost Benton County about $91.9 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Moderate; social vulnerability: Very Low.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
409 bridges in Benton County: 203 in good condition, 196 fair, and 10 poor (2.4%). “Poor” means a main part — the deck, the beams, or the supports — is rated 4 or lower on the federal 0–9 scale. It doesn't mean unsafe to drive; unsafe bridges are closed.
| US 412 Benton 2 over Illinois River/West Crsg · built 1995 | 10,000 vehicles a day |
| Sprdle/Silent Grve over SPRING CREEK · built 2003 | 4,400 vehicles a day |
| SH 12 Benton 2 over LITTLE FLINT · built 1955 | 4,000 vehicles a day |
| SH 43 Benton 2 over TOWN CREEK · built 1958 | 3,090 vehicles a day |
| SH 59 Benton 2 over ILLINOIS RIVER · built 1963 | 3,000 vehicles a day |
| SH 43 Benton 2 over FLINT CREEK · built 1958 | 2,799 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $48.5 million of work in Benton County in fiscal 2025, about $170 per resident — to the county, cities, schools, hospitals, nonprofits and others.
Source: USAspending.gov, grants by place of performance, fiscal 2025 (Oct. 2024 to Sept. 2025). Search it by county to see each award.
From Grants.gov: posted grants listing county governments as eligible, soonest deadline first; research-only and overseas programs left out; list updated 2026-10-13, refreshed weekly. 62 are open in all. Cities, towns, school districts and nonprofits have their own lists there.
General election: Tuesday, November 3, 2026. Last day to register to vote: 2026-10-05. Early voting: 2026-10-19 to 2026-11-02. Absentee application due (by mail, email, or fax): 2026-10-27. Absentee ballot hand-delivered by you: last day: 2026-10-30. Election Day — and mailed absentee ballots must arrive: 2026-11-03. Provisional ballot: show your ID by noon: 2026-11-09. General runoff (only where a race needs one): 2026-12-01.
Source: Arkansas Secretary of State, 2026 election calendar · Fayetteville Flyer, Oct. 5, 2026 · sos.arkansas.gov — voting in Arkansas
The budget, property tax rates, audits, local officials and offices for Benton County come from the county's own records, which we haven't gathered — not gathered, never hidden. See what a full county site looks like, or ask to have Benton County built: brayden.ozark@gmail.com.
More of Arkansas: the state government and every county in Arkansas.
Nearby counties: McDonald County, MO (21 mi) · Washington County (25 mi) · Delaware County, OK (31 mi) · Barry County, MO (34 mi) · Madison County (37 mi) · Adair County, OK (37 mi).