Black Rock, Arkansas

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Black Rock, Arkansas
Location in Lawrence County and the state of Arkansas
Location in Lawrence County and the state of Arkansas
Coordinates: Coordinates: 36°6′28″N 91°5′56″W / 36.10778°N 91.09889°W / 36.10778; -91.09889
CountryUnited States
StateArkansas
CountyLawrence
Area
 • Total3.5 sq mi (8.9 km2)
 • Land3.3 sq mi (8.5 km2)
 • Water0.2 sq mi (0.4 km2)
Elevation
312 ft (95 m)
Population
 (2000)
 • Total717
 • Density204.9/sq mi (80.6/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
72415
Area code(s)870
FIPS code05-06700
GNIS feature ID0076368

Black Rock is a city in the US state of Arkansas. The city of Black Rock in Lawrence County is situated on the Black River at the edge of the Ozark Mountains. It reportedly takes its name from black rocks in the area. The city was a boomtown, rising due to the development of railroads and timber interests, and it was later sustained by the pearling industry.