| ZIP Codes: | 8 ZIP Codes (8 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 479 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:11:24 PM |
| Population: | 25,078 [See All] |
| FIPS: | 05071 |
| Land Area: | 642 sq mi |
| Water Area: | 19 sq mi |
| Coordinates: | 35.5237, -93.4712 |
| Quick Link: |
25,078 residents live across 8 ZIPs covering 642 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 24,873 to 25,078 from 2014 to 2024 — a +0.8% change. 6 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 72845 (Knoxville, $63,462 median) and poorest ZIP 72832 (Coal Hill, $27,356) are 16.5 miles apart — a 2.3× income gap across local geography.
Median home values vary 2.5× across this county — from $63,200 in 72839 (Hagarville) to $155,000 in 72830 (Clarksville).
Density varies 52× across the county — from 2 people/sq mi in 72839 (Hagarville) to 111 in 72830 (Clarksville).
Educational attainment ranges from 9.6% bachelor's+ in 72832 (Coal Hill) to 27.7% in 72846 (Lamar) — the breadth of educational profiles across the area.
Within Arkansas, this is the #24 most populous of 78 counties and ranks #58 for median household income .
Weighted by population, the typical household earns about $46,793 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.0% of adults age 25+ hold a bachelor's degree or higher (3,030 of 16,822 reporting).
8 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 72830 | Clarksville | Standard | 15,757 | $42,416 | 141.9 | 2.8% |
| 72846 | Lamar | Standard | 3,853 | $61,250 | 102.0 | -8.4% |
| 72840 | Hartman | Standard | 2,448 | $49,750 | 49.4 | 14.6% |
| 72845 | Knoxville | Standard | 1,063 | $63,462 | 19.1 | 9.5% |
| 72854 | Ozone | Standard | 791 | — | 103.7 | 6.3% |
| 72832 | Coal Hill | Standard | 649 | $27,356 | 8.5 | -39.5% |
| 72839 | Hagarville | Standard | 328 | $48,750 | 153.4 | 8.6% |
| 72852 | Oark | Standard | 189 | $48,241 | 64.1 | 70.3% |