PlainZIP

Wilmington, DE · standard

ZIP Code 19803

New Castle County, Delaware - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

21,364
655/sq mi
$135,218
Median income
$457,200
Median home value
60.9%
Bachelor's or higher

The verdict

Wilmington pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 6%
household income, US ZIPs
Top 16%
home value, US ZIPs
655
people per sq mi
89%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 19803 against every reporting US ZIP.

ZIP code 19803 is a densely settled ZIP (a standard USPS delivery area) in Wilmington, New Castle County, Delaware, with 21,364 residents across 32.6 square miles, a density of 655 people per square mile, in the New York time zone.

ZIP 19803 skews affluent, with a median household income of $135,218 (51% above the Delaware average), while per-capita income is $70,999. Poverty here runs at 2.0%, with unemployment measured at 5.4%. Housing costs here run $457,200 for a typical home value (21% above the state average), with rent averaging $1,722 a month; 89.1% of homes are owner-occupied.

This is a highly-educated ZIP: 60.9% of adults hold a bachelor's degree or higher, the median age is 46.4, and the average commute is 23 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing New Castle County, so you can benchmark 19803 against its immediate geography rather than a national average alone.

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 →

Top industries in ZIP 19803

Top 5 sectors by establishment count in Wilmington, DE

Which industries have the most business establishments in ZIP 19803.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

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 19803, Wilmington, 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

21,364

Population

32.6

Area (sq mi)

655

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 19803?

46.4

Median Age

51.4%

Male

48.6%

Female

7.6%

Foreign-Born

White 83.8%
African American 5.8%
Asian 3.7%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.0%
Hispanic or Latino 6.1%

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?

$135,218

Median Household Income

+51% vs state

$70,999

Per Capita Income

2.0%

Poverty Rate

5.4%

Unemployment Rate

23.1 min

Mean Commute Time

How ZIP 19803 ranks nationally

Wilmington, DE household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$135,218 Top 6% higher than 94% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 74.6%
Bachelor's Degree or Higher 60.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

8,831

Total Housing Units

8,679

Occupied Units

152

Vacant Units

2.49

Avg Household Size

Occupancy Type

Owner 89.1%
Renter 10.9%

$457,200

Median Home Value

+21% vs state

$1,722

Median Rent

1960

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+5.0%

YoY Change (2024)

242

HPI Index (2000 = 100)

+142%

Total Change Since 2000

Home values in ZIP 19803 have increased 5.0% over the past year (2024). Since 2000, this ZIP has seen +142% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.5% 172
2021 +9.1% 188
2022 +10.8% 208
2023 +10.7% 230
2024 +5.0% 242

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,108 business establishments in ZIP 19803, employing approximately 27,716 people with a combined annual payroll of $2,694,812,000.

1,108

Businesses

27,716

Employees

$2.7B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 153 13.8%
Retail trade 152 13.7%
Health care and social assistance 120 10.8%
Finance and insurance 115 10.4%
Accommodation and food services 103 9.3%
Management of companies and enterprises 82 7.4%
Administrative and support and waste management and remediation services 78 7.0%
Other services (except public administration) 76 6.9%
Real estate and rental and leasing 63 5.7%
Construction 37 3.3%
Information 33 3.0%
Wholesale trade 30 2.7%
Arts, entertainment, and recreation 23 2.1%
Manufacturing 18 1.6%
Transportation and warehousing 11 1.0%
Educational services 11 1.0%

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 19803 vs 19732 →

ZIP 19803 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 19803 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 19803 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 19803 ranks #3 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
19732 Rockland, DE 25 1.9 mi
19710 Montchanin, DE 41 2.5 mi
19810 Wilmington, DE 25,011 2.3 mi
19802 Wilmington, DE 24,621 3.1 mi
19806 Wilmington, DE 9,560 2.8 mi
19735 Winterthur, DE 12 3.2 mi
19807 Wilmington, DE 7,405 3.6 mi
19801 Wilmington, DE 16,286 4.9 mi
19809 Wilmington, DE 14,049 3.5 mi
19703 Claymont, DE 14,471 4.5 mi

More ZIP Codes in New Castle County

19720 standard
New Castle, DE
Pop: 59,250
19702 standard
Newark, DE
Pop: 51,899
19711 standard
Newark, DE
Pop: 51,322
19805 standard
Wilmington, DE
Pop: 40,937
19701 standard
Bear, DE
Pop: 39,194
19808 standard
Wilmington, DE
Pop: 38,442

Related Areas

New Castle County Wilmington, DE Delaware

Frequently Asked Questions

What county is ZIP code 19803 in? ▼
ZIP code 19803 (Wilmington) 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 19803? ▼
ZIP code 19803 in Wilmington, DE has a population of 21,364 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 19803? ▼
The median household income in ZIP 19803 is $135,218, which is 77% above the national average of $76,288.
What is the average home value in ZIP 19803? ▼
The median home value in ZIP 19803 is $457,200, which is 64% above the national average of $278,155.
What is the demographic makeup of ZIP 19803? ▼
The largest racial group in ZIP 19803 is White at 83.8%. Hispanic or Latino residents make up 6.1% of the population.
How many businesses are in ZIP code 19803? ▼
ZIP code 19803 has 1,108 business establishments employing approximately 27,716 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 19803? ▼
The top industries by establishment count in ZIP 19803 are: Professional, scientific, and technical services (153), Retail trade (152), Health care and social assistance (120). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 19803? ▼
According to the FHFA House Price Index, home values in ZIP 19803 increased by 5.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 142%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 19803? ▼
In ZIP code 19803, 74.6% of residents aged 25+ have a high school diploma or higher, and 60.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 19803? ▼
The mean commute time for workers in ZIP code 19803 is 23.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 19803? ▼
In ZIP code 19803, approximately 89.1% of occupied housing units are owner-occupied and 10.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 19803? ▼
The poverty rate in ZIP code 19803 is 2.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.