▁Number ▁of ▁women ▁ ▁The ▁ 1 8 5 0 ▁U . S . ▁California ▁Census , ▁the ▁first ▁census ▁that ▁included ▁all ▁non - Ind ian ▁people , ▁ ▁showed ▁only ▁about ▁ 7 , 0 1 9 ▁females ▁with ▁ 4 , 1 6 5 ▁non - Ind ian ▁females ▁older ▁than ▁ 1 5 ▁in ▁the ▁state . ▁To ▁this ▁should ▁be ▁added ▁about ▁ 1 , 3 0 0 ▁women ▁older ▁than ▁ 1 5 ▁from ▁San ▁Francisco , ▁Santa ▁Clara , ▁and ▁Cont ra ▁Costa ▁count ies ▁whose ▁cens uses ▁were ▁lost ▁and ▁not ▁included ▁in ▁the ▁tot als . ▁This ▁gives ▁about ▁ 5 , 5 0 0 ▁females ▁older ▁than ▁ 1 5 ▁in ▁a ▁total ▁California ▁non - Ind ian ▁population ▁ ▁of ▁about ▁ 1 2 0 , 0 0 0 ▁residents ▁in ▁ 1 8 5 0 ▁or ▁about ▁ 4 . 5 % ▁female . ▁The ▁number ▁of ▁women ▁in ▁the ▁min ing ▁communities ▁and ▁min ing ▁cam ps ▁can ▁be ▁estimated ▁by ▁subtract ing ▁the ▁roughly ▁ 2 , 0 0 0 ▁females ▁who ▁lived ▁in ▁pre domin ately ▁Californ io ▁( H is pan ics ▁born ▁in ▁California ▁before ▁ 1 8 4 8 ) ▁communities ▁and ▁were ▁not ▁part ▁of ▁the ▁gold ▁r ush ▁community . ▁About ▁ 3 . 0 % ▁of ▁the ▁gold ▁r ush ▁Arg onaut s ▁before ▁ 1 8 5 0 ▁were ▁female ▁or ▁about ▁ 3 , 5 0 0 ▁female ▁Gold ▁R