Census place · GEOID 0657330 · Amador County
Pioneer, CA ZIP codes
2 ZIP/ZCTAs intersecting this Census place (CDP) in Amador County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Pioneer (GEOID 0657330). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 7,154 (2 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Pioneer, CA

ZIP/ZCTA overlap with Pioneer
Population overlap
Share of each ZIP/ZCTA’s population located within Pioneer, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Pioneer
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 95666 | Pioneer | Amador County | 6,089 | $79,181 |
| 95689 | Volcano | Amador County | 1,065 | $107,500 |
USPS associates these ZIPs with Pioneer
These codes list Pioneer as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 95644 | Kit Carson | El Dorado County | — | — |
| 95646 | Kirkwood | Alpine County | 406 | $145,341 |