County · Arkansas · United States
Johnson County ZIP codes
8 ZIP codes · 8 cities · FIPS 05071
Key facts
- State
- Arkansas (AR)
- FIPS code
- 05071
- Population
- 25,932
- Median household income
- $44,808
- Median age
- 39.4
- Land area
- 661 sq mi (1,712 km²)
- Population density
- 39 / sq mi
- Area codes
- 479
Cities and ZIP codes in Johnson County (8)
| City | ZIP codes |
|---|---|
| Clarksville | 72830 |
| Coal Hill | 72832 |
| Hagarville | 72839 |
| Hartman | 72840 |
| Knoxville | 72845 |
| Lamar | 72846 |
| Oark | 72852 |
| Ozone | 72854 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.