7 7 ▁treat ies ▁Category : 1 6 7 7 ▁in ▁the ▁Th ir teen ▁Col on ies ▁Category : 1 6 7 7 ▁in ▁the ▁British ▁Empire <0x0A> </s> ▁Pass a ic ▁County ▁( ▁) ▁is ▁a ▁county ▁in ▁the ▁U . S . ▁state ▁of ▁New ▁Jersey ▁that ▁is ▁part ▁of ▁the ▁New ▁York ▁metropol itan ▁area . ▁ ▁As ▁of ▁the ▁ 2 0 1 0 ▁census , ▁the ▁population ▁was ▁ 5 0 1 , 2 2 6 , ▁an ▁increase ▁of ▁ 1 2 , 1 7 7 ▁(+ 2 . 5 %) ▁from ▁the ▁ 4 8 9 , 0 4 9 ▁counted ▁in ▁the ▁ 2 0 0 0 ▁Census , ▁As ▁of ▁the ▁ 2 0 1 9 ▁Census ▁estimate , ▁the ▁county ' s ▁population ▁was ▁ 5 0 1 , 8 2 6 , ▁making ▁it ▁the ▁state ' s ▁nin th - most ▁popul ous ▁county , ▁and ▁mark ing ▁an ▁increase ▁of ▁ 2 . 3 % ▁from ▁ 2 0 1 0 . ▁Its ▁county ▁seat ▁is ▁Pat erson . ▁The ▁most ▁popul ous ▁place ▁was ▁Pat erson , ▁with ▁ 1 4 6 , 1 9 9 ▁residents ▁at ▁the ▁time ▁of ▁the ▁ 2 0 1 0 ▁Census , ▁more ▁than ▁ 2 9 % ▁of ▁the ▁county ' s ▁population , ▁while ▁West ▁Mil ford ▁covered ▁, ▁the ▁largest ▁total ▁area ▁of ▁any ▁municipality ▁and ▁more ▁than ▁ 4 0 % ▁of ▁the ▁county ' s ▁area