4 . 2 0 9   km 2 ), ▁including ▁ 1 . 5 8 5 ▁square ▁miles ▁( 4 . 1 0 4   km 2 ) ▁of ▁land ▁and ▁ 0 . 0 4 0 ▁square ▁miles ▁( 0 . 1 0 5   km 2 ) ▁of ▁water ▁( 2 . 4 9 %). ▁ ▁The ▁Bor ough ▁of ▁Wood st own ▁is ▁an ▁independent ▁municipality ▁completely ▁surrounded ▁by ▁P iles gro ve ▁Township , ▁making ▁it ▁part ▁of ▁ 2 1 ▁pairs ▁of ▁" d ough nut ▁towns " ▁in ▁the ▁state , ▁where ▁one ▁municipality ▁entirely ▁surr ounds ▁another . ▁Wood st own ▁serves ▁as ▁the ▁more ▁dens ely ▁settled ▁commercial ▁core ▁of ▁the ▁pa ired ▁communities , ▁while ▁P iles gro ve ▁is ▁more ▁agricult ural . ▁ ▁Dem ograph ics ▁ ▁Census ▁ 2 0 1 0 ▁ ▁The ▁Census ▁Bureau ' s ▁ 2 0 0 6 – 2 0 1 0 ▁American ▁Community ▁Survey ▁showed ▁that ▁( in ▁ 2 0 1 0 ▁infl ation - ad just ed ▁dollars ) ▁median ▁household ▁income ▁was ▁$ 6 2 , 9 5 8 ▁( with ▁a ▁margin ▁of ▁error ▁of ▁+ / − ▁$ 8 , 2 3 9 ) ▁and ▁the ▁median ▁family ▁income ▁was ▁$ 7 4 , 4 7 9 ▁(+ / − ▁$ 7 , 7 2 7 ). ▁M ales ▁had ▁a ▁median ▁income ▁of ▁$ 6 4 , 6 8 8 ▁(+ / − ▁$ 1 6 , 9