Wilmington, DE 19801 ZIP Code Profile

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Wilmington, DE

ZIP Code 19801: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Wilmington, DE 19801

  • ZIP Code Type: STANDARD
  • County: New Castle County
  • Centroid: Latitude 39.737, Longitude -75.549
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,286
  • PO Box Addresses: 0
  • Residential Addresses: 7,616
    • Multi-Family Addresses: 2,655
    • Single Family Addresses: 4,961

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.


19801 ZIP Code Map

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Wilmington, DE 19801 Data & Demographics (As of July 1, 2017)


Total Population 16,124
Daytime Population: Workers 46,649
Daytime Population: Residents 10,232
Total Daytime Population (TDP) 56,881
Ratio TDP/Total Population1 3.53
Population in Households 15,550
Population in Familes 10,945
Population in Group Qrtrs 574
Population Density2 3,411
Diversity Index3 47


Median Household Income $23,775
Average Household Income $36,856
Per Capita Income $16,148


Total Housing Units 8,460 (100%)
Owner Occupied HU 1,790 (21.2%)
Renter Occupied HU 4,965 (58.7%)
Vacant Housing Units 1,705 (20.2%)
Median Home Value $144,814
Average Home Value $188,785


Total Households 6,755
Average Household Size 2.3
Family Households 3,507
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 1.22% 0.75%
Households 1.18% 0.78%
Families 1.12% 0.61%
Median Household Income   0.95%
Per Capita Income   2.04%

Wilmington, DE 19801 - Peer Comparisons by Rank and Percentile

The table below compares 19801 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 # 23 66th
Population Density # 7 91st
Diversity Index # 26 62nd
Median Household Income # 64 3rd
Per Capita Income # 64 3rd

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

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