Residential delivery area · Delaware
ZIP Code 19803: Wilmington, DE
ZIP code 19803 uses the postal name Wilmington, Delaware and lies entirely in New Castle County (Census 2020 ZIP-county file). About 22,000 people live there (Census Bureau, ACS 2020-2024), the 5th most populous of Wilmington's 10 residential ZIP codes. Median household income is $135,218 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Wilmington · 10 residential ZIPs
- County
- New Castle County
- Neighborhoods
- Colonial Woods, Delwynn, Fairfax Farms, Glenside Farms, Heatherbrooke GeoNames
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- House district
- DE at large 119th Congress
- State
- Delaware
- Time zone
- Eastern
- Land area
- 12.7 sq mi · 1,760 people per sq mi
- PO Box ZIPs
- 15 more ZIP codes use the name Wilmington for PO boxes or single organizations
Where is ZIP code 19803?
19803 centers on 39.800°, -75.542° and covers 12.7 square miles of land plus 0.0 of water. It borders 8 ZIP codes: 19732, 19810, 19806, 19802, 19807, 19809, 19703, 19317.
The map draws ZIP code areas only. For the streets inside 19803, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 19803 compare with the rest of Wilmington?
| Measure | 19803 | In Wilmington | In New Castle County | In DE |
|---|---|---|---|---|
| People (ACS 2020-2024) | 22,279 | 5th of 10 | 12th of 31 | 18th of 68 |
| Median household income | $135k | 2nd of 10 | 3rd of 22 | 3rd of 48 |
| Median home value | $457k | 2nd of 10 | 4th of 22 | 11th of 50 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 83% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 19803?
The 2020 Census counted 21,886 people in 19803; the ACS, which samples households over 2020-2024, estimates 22,279. Between the 2010 and 2020 censuses its population grew 2.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 22,279
- 2020 Census count
- 21,886+2.4% since 2010 (21,364)
- Households
- 8,679
- Median age
- 46.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 19803?
Of the 22,279 people the ACS estimates in 19803, 20.7% are under 18 and 24.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (81.6%).
- Under 1820.7%
- 18 to 6455.3%
- 65 and older24.0%
- White, not Hispanic81.6%
- Hispanic or Latino6.1%
- Black, not Hispanic5.2%
- Asian, not Hispanic3.6%
- Other or two or more3.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 19803 earn?
Median household income is $135,218 (ACS 2020-2024), the 3rd highest of the 22 ranked ZIP codes in New Castle County. It is not measurably different from 2015-2019 ($131,406 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $135,218
- Income per person
- $70,999
- Below the poverty line
- 2.0%
- Unemployed (of the labor force)
- 5.5%
- Adults 25+ with a bachelor's degree
- 60.9%
- Adjusted gross income per tax return, 2022
- $148,17711,140 returns; wages 59% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 19803?
FHFA's house price index for 19803, built from repeat sales and appraisals of the same homes, rose 62% from 2015 to 2025 and rose 44% from 2020 to 2025, and moved +2.4% in 2025.
- Median home value (owners' estimate)
- $457,200
- Median gross rent
- $1,722
- Homes owned by their occupants
- 89.1%
- Housing units
- 8,831
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 19803?
1,108 business establishments had a location in this ZIP code in 2023, 88 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services153
- Retail trade152
- Health care and social assistance120
- Finance and insurance115
- Accommodation and food services103
- Management of companies and enterprises82
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 19803?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 19732 | Rockland | 89 | $236k | 1.7 mi |
| 19810 | Wilmington | 26,530 | $113k | 2.3 mi |
| 19806 | Wilmington | 9,777 | $89k | 2.8 mi |
| 19802 | Wilmington | 26,051 | $54k | 3.2 mi |
| 19807 | Wilmington | 7,815 | $153k | 3.8 mi |
| 19809 | Wilmington | 14,311 | $81k | 3.7 mi |
| 19703 | Claymont | 15,460 | $77k | 4.7 mi |
| 19317 | Chadds Ford, PA | 10,864 | $174k | 5.4 mi |
| 19710 | Montchanin | 0 | – | 2.4 mi (near) |
| 19735 | Winterthur | 0 | – | 3.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.