Port Penn, DE · standard
ZIP Code 19731
New Castle County, Delaware - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 252
- 102/sq mi
- $71,282
- Median income
- $369,300
- Median home value
- 0.0%
- Bachelor's or higher
National ZIP placement
Port Penn pairs a below-median household income with upper-quartile home values, in a rural, homeowner-dominated area.
- 49th pct
- household income, US ZIPs
- Top 24%
- home value, US ZIPs
- 102
- people per sq mi
- 92%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 19731 against every reporting US ZIP.
ZIP code 19731 is a sparsely populated ZIP (a standard USPS delivery area) in Port Penn, New Castle County, Delaware, home to just 252 residents across 2.5 square miles, a density of 102 people per square mile, in the New York time zone.
ZIP 19731 lands in the middle-income range, with a median household income of $71,282 (20% below the average Delaware ZIP), while per-capita income is $27,471. Both reported hardship measures are comparatively low in absolute terms: poverty is 4.3% and unemployment is 0.0%. Median home value is $369,300 (2% below the average Delaware ZIP); 92.3% of occupied homes are owner-occupied.
Formal educational attainment runs low here: just 0.0% of adults hold a bachelor's degree or higher, the median age is 66.1, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in New Castle County, so 19731 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 19731, Port Penn, DE · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
252
Population
2.5
Area (sq mi)
102
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 19731?
66.1
Median Age
46.0%
Male
54.0%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$71,282
Median Household Income
-20% vs state ZIP avg
$27,471
Per Capita Income
4.3%
Poverty Rate
0.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
235
Total Housing Units
235
Occupied Units
0
Vacant Units
2.79
Avg Household Size
Occupancy Type
$369,300
Median Home Value
-2% vs state ZIP avg
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 5 business establishments in ZIP 19731, employing approximately 77 people with a combined annual payroll of $2,677,000.
5
Businesses
77
Employees
$2.7M
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 19731 vs 19706 →
ZIP 19731 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19720
New Castle (19720)
59,250 residents
- 19702
Newark (19702)
51,899 residents
- 19701
Bear (19701)
39,194 residents
- 19709
Middletown (19709)
35,107 residents
- 08070 13,059
Pennsville (08070)
13,059 residents
- 19734 11,651
Townsend (19734)
11,651 residents
- 19706 1,822
Delaware City (19706)
1,822 residents
- 19730 451
Odessa (19730)
451 residents
- 19731 252
Port Penn (19731)
252 residents
What this shows Among its immediate neighbors, ZIP 19731 ranks #9 by population - useful context the national average alone can't give.
ZIP 19731 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19709
Middletown (19709)
$132,956 median income
- 19734
Townsend (19734)
$127,803 median income
- 19730
Odessa (19730)
$112,083 median income
- 19701
Bear (19701)
$111,198 median income
- 19702
Newark (19702)
$92,446 median income
- 08038
Hancocks Bridge (08038)
$90,179 median income
- 19706
Delaware City (19706)
$83,681 median income
- 19733
Saint Georges (19733)
$82,604 median income
- 08070
Pennsville (08070)
$75,697 median income
What this shows By household income, ZIP 19731 ranks #null of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 19706 | Delaware City, DE | 1,822 | 3.8 mi |
| 19733 | Saint Georges, DE | 110 | 4.4 mi |
| 19709 | Middletown, DE | 35,107 | 5.7 mi |
| 19730 | Odessa, DE | 451 | 5.6 mi |
| 08038 | Hancocks Bridge, NJ | 124 | 5.9 mi |
| 19720 | New Castle, DE | 59,250 | 8.9 mi |
| 08070 | Pennsville, NJ | 13,059 | 8.3 mi |
| 19701 | Bear, DE | 39,194 | 7.7 mi |
| 19734 | Townsend, DE | 11,651 | 10.0 mi |
| 19702 | Newark, DE | 51,899 | 10.5 mi |