Ada County Idaho Zip Codes

Cities in

Below are a list of the cities located in Ada County, ID. There are 34 total unique zip codes in Ada County, Idaho. The time zone for Ada County is the Mountain Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 16001.

The population in Ada County, ID is currently 511,931. That is an increase of 30.36% vs the population of 392,365 in 2010.


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