New Castle County · Delaware
ZIP code 19720
- Population
- 60,593
- Median income
- $75,985
- Median home
- $242,600
- Sales tax
- 0%
ZCTA residents
Household, past 12 months
Owner-occupied value
Delaware state rate
Quick answer
ZIP 19720 sits in New Castle County, Delaware and is home to 60,593 people. Median household income is $75,985, the median home is worth $242,600 and median gross rent is $1,282. 67.2% of households own their home, and purchases are taxed at 0% (Delaware state rate).
- County
- New Castle County
- State
- Delaware (DE)
- Area codes
- Not published
- Metro area
- Outside covered metros
FIPS 10003
68 ZIPs covered
No NANPA match for this ZIP
Rate jurisdiction used for tax
The numbers for 19720
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 60,593ZIP 19720 residents
- Median household income
- $75,985Past 12 months, inflation adjusted
- Median home value
- $242,600Owner-occupied units
- Median gross rent
- $1,282Rent plus utilities, monthly
- Median age
- 39.7 yrsAll residents
- Homeownership rate
- 67.2%Owner-occupied households
Sales tax in 19720
What a purchase inside this ZIP costs at checkout.
Delaware levies 0% statewide with no local add-ons. Check the county page for the local component before you quote a price.
Affordability in this ZIP
Derived from the Census medians above — indicative, not an offer.
A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.
How 19720 compares
ZIP 19720 against the median ZIP in New Castle County and across Delaware.
| Measure | ZIP 19720 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $75,985 | $86,240 | $79,698 | -5% |
| Median home value | $242,600 | $320,450 | $296,650 | -18% |
| Median gross rent | $1,282 | $1,357 | $1,306 | -2% |
| Population | 60,593 | 15,936 | 10,145 | +497% |
Medians are computed across the 29 ZIP areas in New Castle County and the 68 ZIP areas in Delaware.
Statewide rank
Where this ZIP places among all 68 Delaware ZIP areas.
- Income
- #40
- Home value
- #52
- Population
- #1
richer than 34% of 61 state ZIPs
above 16% of 62 state ZIPs
larger than 99% of 68 state ZIPs
Comparable ZIP codes
Delaware ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under New Castle County.
ZIP 19720 questions
Common questions about this ZIP code.
- Where is ZIP code 19720?
- ZIP 19720 lies mostly in New Castle County, Delaware. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
- What sales tax do I pay in 19720?
- Delaware charges 0% statewide.
- Is 19720 expensive to live in?
- Median rent runs $1,282 a month, about 20% of median household income, and the median home is worth $242,600 — -18% against the typical Delaware ZIP.
- Is a ZCTA the same as a postal ZIP code?
- Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.
Keep going
Related pages for this area.
Sources & transparency
- US Census Bureau, ACS 2019-2023 5-year estimates — 2019-2023 ACS 5-year — population, income, housing
- Census 2020 ZCTA-to-county relationship file — County assignment by largest land-area overlap
- Delaware Division of Revenue — Sales tax rates and local add-ons
Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.