The following definitions apply in this Article:
The term includes the area contiguous to or located within 500 feet of the premises on which the salesroom is located. The term does not include a tent, a temporary stand, or other temporary quarters. The minimum area requirement does not apply to any place of business lawfully in existence and duly licensed on or before January 1, 1978.
In determining population for this definition the most recent census by the U.S. Bureau of the Census or the most recent population update either from Claritas Inc. or other similar recognized source shall be accumulated for all census tracts either wholly or partially within the relevant market area. In accumulating population for this definition, block group and block level data shall be used to apportion the population of census tracts which are only partially within the relevant market area so that population outside of the applicable radius is not included in the count.
N.C. Gen. Stat. § 20-286