Census place · GEOID 0621894 · Sonoma County
Eldridge, CA ZIP codes
2 ZIP/ZCTAs intersecting this Census place (CDP) in Sonoma County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Eldridge (GEOID 0621894). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 38,125 (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 Eldridge, CA

ZIP/ZCTA overlap with Eldridge
Population overlap
Share of each ZIP/ZCTA’s population located within Eldridge, 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 Eldridge
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 95442 | Glen Ellen | Sonoma County | 2,986 | $131,696 |
| 95476 | Sonoma | Sonoma County | 35,139 | $108,322 |
USPS associates these ZIPs with Eldridge
These codes list Eldridge as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 95431 | Eldridge | Sonoma County | 47 | — |