Census place · GEOID 0659220 · Calaveras County
Rail Road Flat, CA ZIP codes
2 ZIP/ZCTAs intersecting this Census place (CDP) in Calaveras County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Rail Road Flat (GEOID 0659220). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 3,293 (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 Rail Road Flat, CA

ZIP/ZCTA overlap with Rail Road Flat
Population overlap
Share of each ZIP/ZCTA’s population located within Rail Road Flat, 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 Rail Road Flat
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 95245 | Mokelumne Hill | Calaveras County | 3,227 | $85,387 |
| 95248 | Rail Road Flat | Calaveras County | 66 | — |