▁American . ▁ ▁Among ▁people ▁over ▁age ▁ 2 5 , ▁approximately ▁ 5 7 % ▁have ▁a ▁b ach elor ' s ▁degree ▁or ▁higher , ▁while ▁ 2 8 % ▁percent ▁are ▁currently ▁en rolled ▁in ▁gradu ate ▁school . ▁The ▁median ▁family ▁income , ▁according ▁to ▁the ▁ 2 0 0 0 ▁census ▁was ▁$ 4 2 , 6 1 6 . ▁Only ▁ 5 % ▁of ▁Br ent wood ▁residents ▁work ▁outside ▁Tra vis ▁County . ▁The ▁average ▁drive ▁time ▁to ▁work ▁for ▁residents ▁who ▁work ▁outside ▁the ▁home ▁is ▁ 1 7 . 5 ▁minutes . ▁Ten ▁percent ▁of ▁residents ▁car pool , ▁and ▁five ▁percent ▁use ▁public ▁transport ation . ▁The ▁ 2 0 0 0 ▁Census ▁also ▁reported ▁just ▁over ▁ 4 , 2 7 5 ▁housing ▁units ▁in ▁Br ent wood , ▁mostly ▁single - family ▁homes . ▁Lar ge , ▁modern ▁a partment ▁complex es ▁and ▁cond omin iums ▁are ▁located ▁on ▁most ▁of ▁the ▁district ' s ▁primary ▁and ▁secondary ▁thorough f ares , ▁many ▁of ▁which ▁are ▁home ▁to ▁young ▁profession als ▁and ▁students ▁att ending ▁the ▁University ▁of ▁Texas . ▁ ▁Rec re ation ▁Br ent wood ▁is ▁divided ▁by ▁a ▁wide ▁median ▁cre ek ▁on ▁which ▁stand ▁many ▁large ▁trees ▁on ▁Ar roy o ▁Sec o . ▁These ▁ 1 5 0 ▁trees ▁were ▁plant ed ▁in ▁February ▁ 1 9 9 3 ▁through ▁public ▁and ▁state ▁contributions ▁to ▁the ▁Austin ▁Energy ▁Plant ing ▁for ▁the ▁Future ▁Fund , ▁a