Black Rock, Arkansas
| Black Rock, Arkansas | |
|---|---|
| Town | |
 Location in Lawrence County and the state of Arkansas |
|
| Coordinates: 36°6′28″N 91°5′56″W / 36.10778°N 91.09889°WCoordinates: 36°6′28″N 91°5′56″W / 36.10778°N 91.09889°W | |
| Country | United States |
| State | Arkansas |
| County | Lawrence |
| Area | |
| • Total | 3.5 sq mi (8.9 km2) |
| • Land | 3.3 sq mi (8.5 km2) |
| • Water | 0.2 sq mi (0.4 km2) |
| Elevation | 312 ft (95 m) |
| Population (2000) | |
| • Total | 717 |
| • Density | 204.9/sq mi (80.6/km2) |
| Time zone | Central (CST) (UTC-6) |
| • Summer (DST) | CDT (UTC-5) |
| ZIP code | 72415 |
| Area code(s) | 870 |
| FIPS code | 05-06700 |
| GNIS feature ID | 0076368 |
Black Rock is a town in Lawrence County, Arkansas, United States, along the Black River. The population was 717 at the 2000 census.
Black Rock is located at 36°6′28″N 91°5′56″W / 36.10778°N 91.09889°W (36.107794, -91.098913).
According to the United States Census Bureau, the town has a total area of 3.4 square miles (8.8 km2), of which, 3.3 square miles (8.5 km2) of it is land and 0.2 square miles (0.52 km2) of it (4.37%) is water.
As of the census of 2000, there were 717 people, 284 households, and 199 families residing in the city. The population density was 218.6 people per square mile (84.4/km²). There were 334 housing units at an average density of 101.8 per square mile (39.3/km²). The racial makeup of the city was 99.02% White, 0.14% Native American, and 0.84% from two or more races. 0.28% of the population were Hispanic or Latino of any race.
There were 284 households out of which 30.6% had children under the age of 18 living with them, 56.0% were married couples living together, 11.3% had a female householder with no husband present, and 29.9% were non-families. 28.2% of all households were made up of individuals and 12.7% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.08.
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