17,865 people (2024 Census estimate, +7.9% since 2020)
834 square miles of land · 21 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.
4 active community water systems list Madison County in the area they serve, reporting 21,395 people served in all (a system that crosses county lines counts its whole population).
| MADISON CO WATER FACILITIES BD buys surface water · local government · AR0000349 | 11,435 served |
| MOUNT OLIVE WATER ASSOCIATION buys surface water · local government · AR0000668 | 6,308 served |
| HUNTSVILLE WATERWORKS buys surface water · local government · AR0000348 | 3,648 served |
| MADISON CO REGIONAL WATER surface water · local government · AR0000803 | 4 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 1 people were held in Madison County's jail, in Vera's latest figure (2021), or 10 per 100,000 residents ages 15–64. In 2015 it was about 3.
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.
1 school district has its office in Madison County. School taxes are usually the largest part of a property tax bill.
Spent $33.5 million — $27.1 million to run schools, about $11,577 per student, plus $5.6 million on buildings and equipment. Money in: $4 million local (mostly property tax), $20.2 million state, $7.3 million federal. Long-term debt: $18.6 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 Low compared with other U.S. counties. FEMA estimates natural hazards cost Madison County about $11.7 million a year on average in buildings, crops and lives. Ability to bounce back (community resilience): Relatively Low; social vulnerability: Relatively High.
Source: FEMA National Risk Index (December 2025), expected annual loss. Ratings compare counties nationwide; they're estimates, not predictions.
149 bridges in Madison County: 35 in good condition, 94 fair, and 20 poor (13.4%). “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.
| SH 45 Madison Co. over WAR EAGLE CREEK · built 1964 | 2,800 vehicles a day |
| SH 74 Madison Co. over HOLMAN CREEK · built 1960 | 2,200 vehicles a day |
| SH 74 Madison Co. over RICHLAND CREEK · built 1934 | 2,197 vehicles a day |
| SH 23 Madison Co. over WAR EAGLE CREEK · built 1962 | 1,808 vehicles a day |
| SH 21 Madison over MAXWELL CREEK · built 1934 | 1,600 vehicles a day |
| SH 23-Madison Co. over HAWKINS HOLLOW CR · built 1955 | 1,198 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $8 million of work in Madison County in fiscal 2025, about $485 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 Madison 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 Madison County built: brayden.ozark@gmail.com.
More of Arkansas: the state government and every county in Arkansas.
Nearby counties: Carroll County (25 mi) · Washington County (28 mi) · Newton County (29 mi) · Johnson County (34 mi) · Franklin County (36 mi) · Benton County (37 mi).