Union County, Arkansas ZIP Codes
- ZIP records
8 - Cities represented
8 - Sum of listed ZIP population estimates
38,413
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 71730 | El Dorado | 29,760 |
| 2 | 71762 | Smackover | 2,929 |
| 3 | 71749 | Junction City | 2,787 |
| 4 | 71765 | Strong | 1,742 |
| 5 | 71747 | Huttig | 655 |
| 6 | 71759 | Norphlet | 243 |
| 7 | 71758 | Mount Holly | 150 |
| 8 | 71724 | Calion | 147 |
Cities in Union County
ZIP Directory
Browse all ZIP data for Arkansas
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.