▁( including ▁organ ic ▁far ming ), ▁and ▁the ▁raising ▁of ▁for age . ▁ ▁Several ▁small ▁v ine y ards ▁have ▁also ▁been ▁recently ▁established . ▁ ▁Next ▁to ▁Ran cho ▁N icas io ▁within ▁the ▁town ▁of ▁N icas io ▁is ▁an ▁organ ic ▁farm , ▁All Star ▁Organ ics , ▁owned ▁and ▁operated ▁by ▁Jan et ▁Brown ▁and ▁Mart y ▁Jacob son ; ▁Jan et ▁is ▁the ▁vice - pres ident ▁of ▁Mar in ▁Organ ic , ▁Mar in ▁County ' s ▁non - pro fit ▁organ ic ▁association . ▁ ▁Just ▁north ▁of ▁N icas io ▁Res er voir ▁is ▁Fair lea ▁R anch , ▁, ▁where ▁pedig ree ▁long horn ▁cattle ▁are ▁raised . ▁The ▁most ▁significant ▁non - ag ric ult ural ▁business ▁within ▁N icas io ▁is ▁George ▁Lucas ' ▁Sky walk er ▁R anch , ▁a ▁part ▁of ▁Lucas film ▁Ltd . ▁Population ▁estimates ▁for ▁the ▁area ▁range ▁from ▁about ▁ 6 0 0 ▁to ▁about ▁ 9 0 0 ▁people . ▁ ▁According ▁to ▁a ▁ 2 0 0 4 ▁For bes ▁magazine ▁real ▁estate ▁survey , ▁N icas io ▁is ▁the ▁ 2 3 rd ▁most ▁expensive ▁zip ▁code ▁in ▁the ▁US . ▁ ▁Cent r ally ▁located ▁in ▁this ▁area ▁is ▁the ▁small ▁village ▁of ▁N icas io ▁itself . ▁The ▁village ▁is ▁in ▁ 4 1 5 / 6 2 8 . ▁ ▁The ▁town ▁center ▁has ▁a ▁post ▁office ▁( zip ▁code ▁ 9 4 9 4 6 ), ▁a