El Dorado, AR ZIP codes
El Dorado, Arkansas has 2 ZIP codes, including 1 PO Box ZIP. They are in Union County.
- Population in these ZIPs
- 29,760
- Avg. median income
- $55,800population-weighted
- Typical home value
- $134,200population-weighted
- Metro area
- El Dorado, AR
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El Dorado, AR ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 71730 | Union County | 29,760 | $55,770 | $134,200 |
| 71731 PO Box | Union County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near El Dorado
Frequently asked questions
What county is El Dorado, Arkansas in?
El Dorado ZIP codes are in Union County.
Which El Dorado ZIP codes are PO Boxes?
71731 is a PO Box or single-organization ZIP code; it has no residential delivery area.