ZIP code 19731
Where is ZIP code 19731?
Port Penn, Delaware
New Castle County · PO Box only ZIP code
ZIP code 19731 belongs to Port Penn, Delaware in New Castle County. 19731 is a PO Box only ZIP code: it is used for post office boxes at the Port Penn post office, not for street addresses. It is in the Eastern Time zone and uses area code 302. About 655 people live in the 19731 area, where the median household income is $71,282. The closest ZIP codes are 19712 (Newark, 3.6 mi north), 19714 (Newark, 3.6 mi north) and 19715 (Newark, 3.6 mi north).
| ZIP code | 19731 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Port Penn |
| State | Delaware (DE) |
| County | New Castle County |
| Time zone | Eastern Time · now |
| Area code | 302 |
| Coordinates | 39.5129, -75.5852 map |
| 3-digit prefix | 197 |
Population and income in 19731
| Population | 655 · lower than 82% of Delaware ZIP codes |
|---|---|
| People per square mile | 259 · lower than 65% of Delaware ZIP codes |
| Median age | 66.1 years · higher than 95% of Delaware ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $71,282 · lower than 75% of Delaware ZIP codes |
| Income per person | $27,471 |
| Below the poverty line | 4.3% |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Median home value | $369,300 · higher than 62% of Delaware ZIP codes |
| Housing units | 235 |
| Households | 235 (2.79 people on average) |
| Owners / renters | 92% / 7.7% |
| Land area | 2.53 sq mi (plus 0.18 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 19731. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 19731
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 19712 | Newark, DE | 3.6 mi N | Unique |
| 19714 | Newark, DE | 3.6 mi N | PO Box only |
| 19715 | Newark, DE | 3.6 mi N | PO Box only |
| 19718 | Newark, DE | 3.6 mi N | Unique |
| 19721 | New Castle, DE | 3.6 mi N | Unique |
| 19725 | Newark, DE | 3.6 mi N | Unique |
| 19850 | Wilmington, DE | 3.6 mi N | PO Box only |
| 19880 | Wilmington, DE | 3.6 mi N | PO Box only |
| 19890 | Wilmington, DE | 3.6 mi N | Unique |
| 19891 | Wilmington, DE | 3.6 mi N | Unique |
| 19892 | Wilmington, DE | 3.6 mi N | Unique |
| 19896 | Wilmington, DE | 3.6 mi N | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 19731 or measure the distance to another ZIP code.
How to address mail to 19731
PO BOX 123
PORT PENN DE 19731
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (19731-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 19731?
- 19731 is a Port Penn, Delaware ZIP code.
- What county is 19731 in?
- ZIP code 19731 is in New Castle County, Delaware.
- What time zone is ZIP code 19731 in?
- 19731 is in the Eastern Time zone (America/New_York).
- What area code is 19731?
- Phone numbers in ZIP code 19731 use area code 302.
- What is the population of ZIP code 19731?
- About 655 people live in ZIP code 19731, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 19731?
- The median household income in 19731 is $71,282 a year, lower than 75% of Delaware ZIP codes.
- Can I use 19731 for a street address?
- No. 19731 is only for PO Boxes. Street addresses in Port Penn use another ZIP code.
- What ZIP codes are near 19731?
- The nearest ZIP codes to 19731 are 19712 (Newark, 3.6 miles), 19714 (Newark, 3.6 miles), 19715 (Newark, 3.6 miles) and 19718 (Newark, 3.6 miles).