2 8 ▁according ▁to ▁the ▁ 2 0 0 0 ▁census . ▁ ▁Ge ograph ically , ▁Mount ▁Air y ▁Township ▁occup ies ▁ ▁in ▁northern ▁Sur ry ▁County , ▁with ▁its ▁northern ▁border ▁being ▁with ▁the ▁state ▁of ▁Virginia . ▁ ▁Mount ▁Air y ▁Township ▁is ▁the ▁most ▁populated ▁town ship ▁of ▁Sur ry ▁County , ▁account ing ▁for ▁nearly ▁ 3 5 % ▁of ▁the ▁total ▁county ▁population . ▁ ▁There ▁are ▁multiple ▁un in cor por ated ▁communities ▁located ▁here , ▁including ▁B ann ert own , ▁Bo ones ▁Hill , ▁Fl at ▁Rock , ▁Franklin , ▁Hol ly ▁Spr ings , ▁S alem , ▁Sh elt ont own , ▁S late ▁Mountain , ▁Toast , ▁White ▁Pla ins , ▁and ▁White ▁Sul ph ur ▁Spr ings . ▁ ▁The ▁town ship ▁surr ounds ▁the ▁city ▁of ▁Mount ▁Air y ▁and ▁includes ▁the ▁census - design ated ▁places ▁of ▁Fl at ▁Rock , ▁Toast , ▁and ▁White ▁Pla ins . ▁U . S . ▁Highway ▁ 5 2 ▁by pass es ▁the ▁city ▁to ▁the ▁west ▁and ▁hosts ▁much ▁of ▁the ▁area ' s ▁ret ail ▁activity , ▁including ▁hot els , ▁restaur ants , ▁and ▁the ▁May berry ▁Mall . ▁Inter state ▁ 7 4 ▁passes ▁through ▁the ▁south ▁side ▁of ▁Mount ▁Air y ▁Township , ▁which ▁is ▁in ▁the ▁W inst on - S alem / G reens bor o ▁Com b ined ▁M SA . ▁ ▁Category : T own ships ▁in ▁Sur ry ▁County , ▁North