US ZIP Code
19731

Port Penn, DE

New Castle County  ·  Delaware

● Active
👥 630 Population ↑ 96% since 2019
💰 $68,832 Median HH Income
▼ 10% below avg ↑ 68% since 2019
🎂 67.2 Median Age ↑ 119% since 2019
🏠 $347,500 Median Home Value
▲ 25% above avg
🎓 2.2% College Grads
▼ 94% below avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code19731
CityPort Penn
StateDelaware (DE)
CountyNew Castle County
Area Code302
Elevation1 ft
Latitude39.509434
Longitude-75.601291
TimezoneNew York (DST)
FIPS10003
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 49.2% (310) Female 50.8% (320) ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

Under 5
9%
5–17
11%
18–24
2%
25–44
12%
45–64
4%
65+
25%

Key Indicators

Median Age67.2 yrs ↑ 119% since 2019
Avg Household Size2.55
Below Poverty2.4% ▼ 76% below avg
College Grads2.2% ▼ 94% below avg
Unemployment0.0% ▼ 100% below avg
HS Graduate286 (64%)
Associates151 (33.8%)
Bachelors10 (2.2%)

Education

HS Grad: 64%Associates: 33.8%Bachelors: 2.2%Edu
HS Grad64.0%
Associates33.8%
Bachelors2.2%
Housing & Income

Housing Tenure

Owner: 91.5%Renter: 8.5%Tenure
Owner91.5%
Renter8.5%

Home Value Distribution

$200k–300k
37%
$300k–500k
54%
Over $500k
9%

Financials

Median HH Income$68,832 ▼ 10% below avg ↑ 68% since 2019
Median Home Value$347,500 ▲ 25% above avg
Home/Income Ratio5.0x (nat avg ~3.5x)
Total Units247
Avg HH Size2.55

Income Distribution

Under $25k
6%
$50k–75k
55%
$75k–100k
25%
$100k–150k
8%
$150k–200k
6%
Employment & Commute

How People Get to Work

Drove Alone
100%

Commute Time

15–30 min
30%
30–45 min
36%
Over 45 min
34%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
17%
1960s–1970s
6%
2000+
72%

Summary

Total Units247
Owner Occupied91.5%
Renter Occupied8.5%
Avg HH Size2.55
Frequently Asked Questions
ZIP code 19731 is in Port Penn, DE, in New Castle County.
ZIP code 19731 is located in Delaware (DE).
ZIP code 19731 is in New Castle County, DE.
ZIP 19731 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 19731 is 630 people (ACS 2023).
The median household income in ZIP code 19731 is $68,832 (ACS 2023).
The median home value in ZIP 19731 is $347,500 (ACS 2023).
About ZIP Code 19731

ZIP code 19731 is located in Port Penn, Delaware, within New Castle County. With a population of 630, this is a sparsely populated ZIP code with an older community — the median age is 67.2 years. Economically, 19731 is a solidly middle-class ZIP code: the median household income of $68,832 is near the national average.

Real estate in ZIP code 19731 represents a mid-range housing market. The median home value of $347,500 is above the national average. Homeownership is strong here — 91.5% of occupied units are owner-occupied, suggesting an established, stable residential community.

The population of 19731 is primarily White (100.00%). Residents are less-educated — 2.2% hold a bachelor's degree or higher, which is well below the national average. Poverty affects a relatively small share of residents at 2.4%. Household income has grown by 68% since 2019.

Overall, ZIP code 19731 in Port Penn, DE is characterized as solidly middle-class, less-educated, an older community, and predominantly owner-occupied. With 630 residents, a median household income of $68,832, and a median home value of $347,500, it offers a clear picture of life in this part of Delaware.