| Zip Code : | 72415 |
| City : | Black Rock city |
| County : | Lawrence County |
| State : | Arkansas (AR) |
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| Land Area : | 37.99 sq mi |
| Water Area : | 0.54 sq mi |
| Latitude : | 36.1267362 |
| Longitude : | -91.1749484 |
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| Population (2010): | 1,346 |
| Population Estimate (2012) : | 1,220 |
| Population Density : | 35.43/sq mi |
| Housing Units (2012) : | 603 |
| Median Household Income (2012) : | $36,583 (Arkansas : $40,531, USA : $53,046) |
| Median Family Income (2012) : | $39,667 (Arkansas : $50,453, USA : $64,585) |
| Median House Price (2012) : | $69,400 (Arkansas : $106,300, USA : $181,400) |