Amador County, CA ZIP Codes & Directory
Complete postal guide for Amador County, California. Featuring the official county seat of Jackson, largest municipality Ione, and serving 8 incorporated municipal entities.
Municipalities Located in Amador County
Incorporated Cities, Towns, and Villages
Fiddletown
cityZIPs: 95629
Ione
cityZIPs: 95640
Jackson
cityZIPs: 95642
Pine Grove
cityZIPs: 95665
Pioneer
cityZIPs: 95666
Plymouth
cityZIPs: 95669
Sutter Creek
cityZIPs: 95685
Volcano
cityZIPs: 95689
Active USPS ZIP Codes in Amador County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Amador County, CA
What is the county seat and largest city in Amador County? ▾
The official county seat of Amador County is Jackson, and its largest incorporated municipality by population is Ione.
How many cities, towns, and villages are in Amador County? ▾
Amador County encompasses 8 incorporated municipal entities, including 8 cities, 0 towns, and 0 villages.
What is the total population and land area of Amador County? ▾
According to official U.S. Census Bureau data, Amador County has a population of approximately 40,474 residents and spans an area of 595 square miles.
How many ZIP codes operate in Amador County? ▾
There are 8 active USPS ZIP codes serving addresses within Amador County, California.