Census place · GEOID 0933690 · Fairfield County
Greenwich, CT ZIP codes
2 ZIP/ZCTAs intersecting this Census place (CDP) in Fairfield County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Greenwich (GEOID 0933690). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 39,575 (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 Greenwich, CT
ZIP/ZCTA overlap with Greenwich
Population overlap
Share of each ZIP/ZCTA’s population located within Greenwich, 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 Greenwich
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 06830 | Greenwich | Fairfield County | 24,919 | $146,841 |
| 06831 | Greenwich | Fairfield County | 14,656 | $218,785 |
USPS associates these ZIPs with Greenwich
These codes list Greenwich as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 06832 | Greenwich | Fairfield County | — | — |
| 06836 | Greenwich | Fairfield County | 288 | — |