Census place · GEOID 1050800 · New Castle County
New Castle, DE ZIP codes
1 ZIP/ZCTA intersecting this Census place in New Castle County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place New Castle (GEOID 1050800). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 60,593 (1 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 New Castle, DE
ZIP/ZCTA overlap with New Castle
Population overlap
Share of each ZIP/ZCTA’s population located within New Castle, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 197209.1%
USPS primary city
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 New Castle
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 19720 | New Castle | New Castle County | 60,593 | $75,985 |
USPS associates these ZIPs with New Castle
These codes list New Castle as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 19721 | New Castle | New Castle County | 88 | — |
| 19726 | New Castle | New Castle County | — | — |