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Clark County, AR
9 cities and towns and 9 ZIP codes in Clark County, Arkansas.
Population
21,125
Land area
866sq mi
People per sq mi
24
ZIP codes
9
Cities and towns in Clark County
Clark County at a glance
- Clark County is 58% less dense than Arkansas as a whole.
- Households here earn a median of $52,034 a year, 14% less than the Arkansas figure of $60,773.
- A typical owner-occupied home is valued at $155,000 (18% below Arkansas) and median rent is $793 a month.
- The biggest population centers are Arkadelphia (10,099), Gurdon (1,625) and Caddo Valley (775).
Local data for Clark County, AR
Counts from official public data
Housing and community stats
Clark County, AR, American Community Survey 2020-2024
Median household income
$52,034
Poverty rate
21.6%
Median home value
$155,000
Prices +4.2% in a year
Median rent
$793/mo
Homeownership
65.0%
Bachelor's or higher
26.2%
Median age
32.0
Average commute
21.4 min
Largest reported origins and ancestries: Irish Americans (1,540), German Americans (1,432), Mexican Americans (859).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.2%
Aug 2026, -1.1 pts in a year
Average annual pay
$47,304
8,716 jobs, 2025
Income per person
$46,783
BEA, 2024
Federal spending
$138M
FY 2026, $6,441 per person
PPP loans
$32.01M
672 loans, 4,475 jobs reported
Campaign donations
$98.03K
Itemized, 2026 cycle
How people get to work
Clark County, AR, workers 16 and older. American Community Survey 5-year estimates
- Drove alone76.2%
- Carpooled9.9%
- Public transit0.4%
- Walked6.1%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.5%
- Worked from home6.0%
Average one-way commute: 21.4 minutes for people who do not work from home.
Environment and hazard risk
Clark County, AR, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: lightning
Storm events since 1996
614
Most often thunderstorm wind
Flood insurance policies
45
0.5% of homes, county
July high / Jan low
94° / 31°F
54.8 inches of rain a year
Hazards, floods and storm historyCheck a flood zone31 historic places
Health statistics
Share of adults in Clark County, AR, CDC PLACES estimates
Obesity
40.0%
U.S. 33.3% +6.7 pts
Diabetes
12.9%
U.S. 12.1% +0.8 pts
Smoking
15.0%
U.S. 12.8% +2.2 pts
Uninsured (18-64)
10.4%
U.S. 11.1% -0.7 pts
Cities, towns and ZIP codes in Clark County
Population shown
Frequently asked questions
- What is the largest city in Clark County, AR?
- Arkadelphia is the largest city or town in Clark County, with about 10,099 residents.
- How many ZIP codes are in Clark County?
- Clark County includes 9 ZIP Code Tabulation Areas, including 71721, 71728, 71743, 71772, 71921.
- What is the population of Clark County, AR?
- About 21,125 people live in Clark County, based on American Community Survey 5-year estimates.
- What counties border Clark County?
- Clark County borders Hot Spring County, Ouachita County, Pike County, Montgomery County, Nevada County, Dallas County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023