Census place · GEOID 3447190 · Middlesex County
Monmouth Junction, NJ ZIP codes
2 ZIP/ZCTAs intersecting this Census place (CDP) in Middlesex County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Monmouth Junction (GEOID 3447190). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 66,832 (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 Monmouth Junction, NJ

ZIP/ZCTA overlap with Monmouth Junction
Population overlap
Share of each ZIP/ZCTA’s population located within Monmouth Junction, 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 Monmouth Junction
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 08540 | Princeton | Mercer County | 49,499 | $169,898 |
| 08852 | Monmouth Junction | Middlesex County | 17,333 | $121,771 |