Clark County, Arkansas Demographics 2026
Clark County, Arkansas has a population of 21,125, the 31st most populous county in Arkansas. The median household income is $52,034 and the median home value is $155,000. The poverty rate is 21.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Clark County Quick Facts
How Clark County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 21,378 | 21,125 | -1.2% |
| Median household income | $50,985 | $52,034 | +2.1% |
| Median home value | $147,100 | $155,000 | +5.4% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 51 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Clark County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Arkadelphia | 10,099 | $48,657 | 28.9% | $179,300 |
| Gurdon | 1,625 | $47,587 | 17.2% | $111,600 |
| Caddo Valley | 775 | $67,679 | 27.0% | $119,900 |
| Amity | 740 | $38,542 | 37.3% | $143,100 |
| Okolona | 287 | $72,917 | 5.9% | $93,800 |
| Gum Springs | 55 | $48,333 | 0.0% | $68,300 |
| Whelen Springs | 52 | $55,893 | 13.5% | N/A |
Explore Arkansas Rankings
Population Overview
Clark County is located in Arkansas with a total population of 21,125. It is the 31st most populous county out of 75 in Arkansas. The county encompasses 7 Census-designated places.
Age Demographics
The median age in Clark County is 32.0 years. This is 17% lower than the state median of 38.5 years.
Economy, Income & Housing
The median household income in Clark County is $52,034. This is 14% lower than the state median of $60,773. It is also 36% lower than the national median of $80,734. The poverty rate stands at 21.6%. This is 35% higher than the state poverty rate of 16.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 3.8%. This is 23% lower than the state rate of 4.9%. The median home value is $155,000. Housing costs are 18% lower than the state median of $188,000. The home-value-to-income ratio is 3.0x. 65.0% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 66.4%.
Race & Ethnicity
The largest racial or ethnic group in Clark County is White (non-Hispanic), making up 67.3% of the population. Black or African American residents account for 23.2%. The Black or African American population is significantly higher than the state average (23.2% vs 14.6%).
Education
26.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Clark County in the top 10% of all counties in the state for educational attainment. This is 2% higher than the state rate of 25.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.3%.
Data Sources & Methodology
All figures for Clark County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Arkansas and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Clark County, Arkansas?
Clark County has a population of 21,125, making it the 31st most populous county in Arkansas.
What is the median income in Clark County?
The median household income in Clark County is $52,034 with a poverty rate of 21.6%.
How many cities are in Clark County, Arkansas?
Clark County contains 7 Census-designated places.