Census place · GEOID 3460900 · Mercer County
Princeton, NJ ZIP codes
3 ZIP/ZCTAs intersecting this Census place in Mercer County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Princeton (GEOID 3460900). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 56,462 (3 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 Princeton, NJ

ZIP/ZCTA overlap with Princeton
Population overlap
Share of each ZIP/ZCTA’s population located within Princeton, 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 Princeton
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 08540 | Princeton | Mercer County | 49,499 | $169,898 |
| 08542 | Princeton | Mercer County | 2,415 | $104,694 |
| 08544 | Princeton | Mercer County | 4,548 | — |
USPS associates these ZIPs with Princeton
These codes list Princeton as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 08541 | Princeton | Mercer County | — | — |
| 08543 | Princeton | Mercer County | 403 | — |