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Black Rock School District Historical Median Individual Worker Income Data
ACS 2006-2010 data
| Black Rock School District | 20,680 USD |
| Arkansas | 24,084 USD |
| U.S. | 29,701 USD |
ACS 2005-2009 data
| Black Rock School District | 21,624 USD |
| Arkansas | 23,615 USD |
| U.S. | 29,050 USD |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.