ZIP codes in El Dorado County
32 ZIPs touch El Dorado County, California. The blue dashed line is the county border; orange ZIPs reach into it.
32
ZIP codes
4
cross the county line
301,422
people in these ZIPs
58
counties in CA
Most people
El Dorado County ZIP list
More counties in California
- Amador County14
- Butte County25
- Calaveras County22
- Colusa County9
- Contra Costa County59
- Del Norte County6
- Fresno County101
- Glenn County8
- Humboldt County39
- Imperial County20
- Inyo County11
- Kern County69
Questions people actually ask
How many ZIP codes are in El Dorado County, California?
32 ZIP codes reach into El Dorado County, including 6 PO Box or single-address ZIPs placed by the town they serve. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in El Dorado County has the most people?
95630 (Folsom) has about 79,484 residents, the most of any ZIP touching El Dorado County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in El Dorado County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in El Dorado County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from