20,920 people (2024 Census estimate, −2.3% since 2020)
866 square miles of land · 24 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.
9 active community water systems list Clark County in the area they serve, reporting 21,612 people served in all (a system that crosses county lines counts its whole population).
| ARKADELPHIA WATERWORKS surface water · local government · AR0000085 | 11,855 served |
| GURDON WATERWORKS groundwater · local government · AR0000087 | 2,988 served |
| CLARK COUNTY COUNTRY WATER FACILITIES buys surface water · local government · AR0000741 | 2,590 served |
| RIVER VALLEY WATER ASSN buys surface water · local government · AR0000833 | 1,207 served |
| ALPINE WATER ASSOCIATION buys surface water · private · AR0000764 | 750 served |
| CADDO VALLEY WATERWORKS buys surface water · private · AR0000515 | 595 served |
| OKOLONA WATERWORKS groundwater · local government · AR0000089 | 562 served |
| WHELEN SPRINGS WATER DEPT buys groundwater · local government · AR0000804 | 559 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 55 people were held in Clark County's jail, in Vera's latest figure (2019), or 373 per 100,000 residents ages 15–64. In 2014 it was about 55.
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.
2 school districts have their office in Clark County. School taxes are usually the largest part of a property tax bill.
Spent $29.5 million — $19.6 million to run schools, about $10,265 per student, plus $8.6 million on buildings and equipment. Money in: $4.3 million local (mostly property tax), $18.3 million state, $4.3 million federal. Long-term debt: $35.9 million.
Spent $10.4 million — $9.3 million to run schools, about $14,428 per student, plus $813,000 on buildings and equipment. Money in: $2.4 million local (mostly property tax), $6.5 million state, $2.1 million federal. Long-term debt: $4.1 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: Very Low compared with other U.S. counties. FEMA estimates natural hazards cost Clark County about $10.2 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.
201 bridges in Clark County: 83 in good condition, 111 fair, and 7 poor (3.5%). “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 67 S-5 LM 11.07 over BIG DECEIPER CREEK · built 1931 | 3,200 vehicles a day |
| US67 Sec4 Lm 0.01 over LITTLE MISSOURI RIVER · built 1931 | 1,492 vehicles a day |
| Clark CR 404 Z-D over Little Degray Creek · built 2006 | 115 vehicles a day |
| Clark CR 50 Z-D over DEGRAY CREEK · built 1930 | 114 vehicles a day |
| Clark CR 8 Z-G over SOUTH BOAT DITCH · built 1928 | 69 vehicles a day |
| CR 30 (DEGRAY RD.) over I 30-SEC 14 LOG 76.64 · built 1965 | 46 vehicles a day |
Source: Federal Highway Administration, National Bridge Inventory (2025 submission). Includes state, county and city bridges.
Federal grants paid for $29.4 million of work in Clark County in fiscal 2025, about $1,372 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 Clark 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 Clark County built: brayden.ozark@gmail.com.
More of Arkansas: the state government and every county in Arkansas.
Nearby counties: Hot Spring County (22 mi) · Nevada County (28 mi) · Pike County (29 mi) · Dallas County (30 mi) · Hempstead County (35 mi) · Ouachita County (36 mi).