Wilmington, DE 19803 ZIP Code Profile

Related Place Profiles:
Talleyville, DE | Wilmington, DE

ZIP Code 19803: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Wilmington, DE 19803

Acceptable Alternative
Talleyville, DE 19803

  • ZIP Code Type: STANDARD
  • County: New Castle County
  • Centroid: Latitude 39.794, Longitude -75.534
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,082
  • PO Box Addresses: 337
  • Residential Addresses: 8,816
    • Multi-Family Addresses: 621
    • Single Family Addresses: 8,195

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


19803 ZIP Code Map

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Wilmington, DE 19803 Data & Demographics (As of July 1, 2017)


Total Population 22,262
Daytime Population: Workers 19,265
Daytime Population: Residents 11,423
Total Daytime Population (TDP) 30,688
Ratio TDP/Total Population1 1.38
Population in Households 21,884
Population in Familes 18,418
Population in Group Qrtrs 378
Population Density2 1,522
Diversity Index3 29


Median Household Income $98,049
Average Household Income $135,891
Per Capita Income $55,484


Total Housing Units 9,429 (100%)
Owner Occupied HU 7,570 (80.3%)
Renter Occupied HU 1,450 (15.4%)
Vacant Housing Units 409 ( 4.3%)
Median Home Value $367,135
Average Home Value $405,010


Total Households 9,020
Average Household Size 2.43
Family Households 6,261
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.44% 0.08%
Households 0.46% 0.12%
Families 0.32% -0.03%
Median Household Income   -0.11%
Per Capita Income   1.64%

Wilmington, DE 19803 - Peer Comparisons by Rank and Percentile

The table below compares 19803 to the other 65 ZIP Codes in Delaware by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 17 75th
Population Density # 17 75th
Diversity Index # 55 17th
Median Household Income # 7 91st
Per Capita Income # 7 91st

Additional comparisons and rankings can be made with a VERY EASY TO USE Delaware Census Data Comparison Tool.

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