Union County, Arkansas Demographics 2026
Union County, Arkansas has a population of 37,900, the 21st most populous county in Arkansas. The median household income is $55,259 and the median home value is $120,900. The poverty rate is 19.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Union County Quick Facts
How Union 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 | 38,368 | 37,900 | -1.2% |
| Median household income | $50,221 | $55,259 | +10.0% |
| Median home value | $114,700 | $120,900 | +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 Union County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| El Dorado | 17,115 | $49,244 | 23.3% | $124,100 |
| Smackover | 2,419 | $55,995 | 26.7% | $118,600 |
| Norphlet | 1,003 | $51,705 | 13.6% | $120,800 |
| Junction City | 564 | N/A | 9.9% | $111,300 |
| Strong | 434 | $36,063 | 35.9% | $66,600 |
| Huttig | 401 | $55,000 | 15.0% | $46,200 |
| Calion | 355 | $41,417 | 15.5% | $89,400 |
| Urbana | 147 | N/A | 23.8% | N/A |
| Lawson | 86 | $91,389 | 0.0% | N/A |
| Felsenthal | 40 | $33,750 | 32.5% | $83,000 |
| Mount Holly | 18 | N/A | 0.0% | N/A |
Explore Arkansas Rankings
Population Overview
Union County is located in Arkansas with a total population of 37,900. It is the 21st most populous county out of 75 in Arkansas. The county encompasses 11 Census-designated places.
Age Demographics
The median age in Union County is 41.4 years. This is 8% higher than the state median of 38.5 years.
Economy, Income & Housing
The median household income in Union County is $55,259. This is 9% lower than the state median of $60,773. It is also 32% lower than the national median of $80,734. The poverty rate stands at 19.6%. This is 22% higher than the state poverty rate of 16.0%. The unemployment rate is 5.5%. This is 11% higher than the state rate of 4.9%. The median home value is $120,900. Housing costs are 36% lower than the state median of $188,000. With a home-value-to-income ratio of just 2.2x, Union County is one of the most affordable housing markets in the area. 72.7% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 66.4%.
Race & Ethnicity
The largest racial or ethnic group in Union County is White (non-Hispanic), making up 59.4% of the population. Black or African American residents account for 32.1%. The Black or African American population is significantly higher than the state average (32.1% vs 14.6%).
Education
19.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 26% lower 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 88.5%.
Data Sources & Methodology
All figures for Union 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 Union County, Arkansas?
Union County has a population of 37,900, making it the 21st most populous county in Arkansas.
What is the median income in Union County?
The median household income in Union County is $55,259 with a poverty rate of 19.6%.
How many cities are in Union County, Arkansas?
Union County contains 11 Census-designated places.