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 Moderate-density area
- $71,282
- Median income Near-median income area
- $369,300
- Median home value Above-median home value
- 0.0%
- Bachelor's or higher Below-average bachelor's attainment
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
How ZIP 19731 ranks among Delaware ZIPs
Port Penn, DE household income vs. every Delaware ZIP code
Median household income among 61 reporting Delaware ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$71,282 25th percentile higher than 25% of 61 Delaware ZIPs
Each bar is a $20K-wide band; taller bars hold more Delaware ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
235housing units
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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 19731, both outside DE so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in New Castle County
Related Areas
Frequently Asked Questions
What county is ZIP code 19731 in?
ZIP code 19731 (Port Penn) is located in New Castle County, Delaware. New Castle County contains multiple ZIP codes, see the full list at /counties/new-castle-de.
What is the population of ZIP code 19731?
ZIP code 19731 in Port Penn, DE has a population of 252 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 19731?
The median household income in ZIP 19731 is $71,282, which is 7% below the national average of $76,288.
What is the average home value in ZIP 19731?
The median home value in ZIP 19731 is $369,300, which is 33% above the national average of $278,155.
What is the demographic makeup of ZIP 19731?
The largest racial group in ZIP 19731 is White at 100.0%.
How many businesses are in ZIP code 19731?
ZIP code 19731 has 5 business establishments employing approximately 77 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What percentage of residents own vs. rent in ZIP 19731?
In ZIP code 19731, approximately 92.3% of occupied housing units are owner-occupied and 7.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 19731?
The poverty rate in ZIP code 19731 is 4.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 19731's numbers, next.
- See how ZIP 19731 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Port Penn, DE ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.