Zip Code 72140 — Saint Charles, AR
72140 is a ZIP Code associated with Saint Charles, AR, located within Arkansas. 72140 ranks #6 out of 10 ZIP codes in Arkansas County by population (and #470 out of 615 in AR). The area supports an estimated population of 321 residents across Data Pending housing units, with a population density of 8.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (34.360520, -91.154900)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 72140 |
| Primary City | Saint Charles |
| State / Province | AR |
| County | Arkansas |
| Total Population | 321 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 8.7 people/sq mi |
| Timezone | America/Chicago |
How 72140 Compares
| Metric | ZIP 72140 | Arkansas County | AR State Average |
|---|
| Population | 321 | 16,906 (Total) | 3,049,723 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 8.7 /sq mi | -- | -- |
| County Pop Rank | #6 of 10 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →