ZIP code
19720
New Castle, DE
19720 covers New Castle in New Castle County, with 60,593 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 19720. Methodology
ZIP code map of 19720

About ZIP code 19720
Acceptable cities: Historic New Castle, Hst Newcastle, Manor
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 19720. Not ACS. Methodology
People in 19720
Race
- White23,188
- Black or African American25,276
- American Indian or Alaska Native382
- Asian1,670
- Native Hawaiian and Pacific Islander32
- Other race5,361
- Two or more races5,134
Hispanic or Latino (any race): 10,485
Age
- Under 106,897
- 10 to 198,115
- 20 to 298,146
- 30 to 398,067
- 40 to 497,600
- 50 to 598,835
- 60 to 697,322
- 70 to 794,202
- 80 and older1,859
Income and housing in 19720
Education
- High school graduate89.2%
- Bachelor's degree21.6%
- Graduate degree8.9%
Places covering 19720
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Wilmington Manor13.4%
- New Castle9.1%
- Bear3.2%
- St. Georges2.4%
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
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- New Castle County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
72.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 19720
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 53,798 | |
| 2006 | 53,333 | |
| 2007 | 56,753 | |
| 2008 | 54,714 | |
| 2009 | 55,602 | |
| 2010 | 56,127 | |
| 2011 | 60,384 | 56,018 |
| 2012 | 61,095 | 54,880 |
| 2013 | 59,808 | 54,860 |
| 2014 | 60,491 | 54,570 |
| 2015 | 61,833 | 54,690 |
| 2016 | 61,615 | 53,030 |
| 2017 | 61,152 | 53,370 |
| 2018 | 61,324 | 53,070 |
| 2019 | 59,664 | 53,390 |
| 2020 | 59,410 | 53,510 |
| 2021 | 60,599 | 51,270 |
| 2022 | 60,514 | 51,590 |
| 2023 | 60,593 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 19720
12 nearest ZIP centroids (any distance)
- 19706Delaware City4.9 miPop 2,059 · Income $77,143
- 08070Pennsville5.0 miPop 12,477 · Income $74,006
- 19804Wilmington5.1 miPop 18,231 · Income $76,204
- 19713Newark5.9 miPop 30,549 · Income $72,850
- 19801Wilmington6.4 miPop 16,170 · Income $44,505
- 08023Deepwater6.4 miPop 289 · Income $87,576
- 19733Saint Georges6.5 miPop 182 · Income —
- 19701Bear6.5 miPop 44,801 · Income $107,856
- 19805Wilmington6.9 miPop 40,315 · Income $56,708
- 19702Newark6.9 miPop 56,049 · Income $92,304
- 19808Wilmington7.2 miPop 38,334 · Income $92,883
- 19716Newark7.7 miPop 0 · Income —
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 19720, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 19720 FAQ
- What city is ZIP code 19720 in?
- 19720 is in New Castle, DE.
- What county is 19720 in?
- 19720 is in New Castle County.
- What is the median household income in 19720?
- The median household income in 19720 is $75,985.
- Which ZIP codes are near 19720?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 19720.