Seaford, DE 19973 ZIP Code Profile

Related Place Profiles:
Blades, DE | Seaford, DE

ZIP Code 19973: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Seaford, DE 19973

Acceptable Alternative
Blades, DE 19973

  • ZIP Code Type: STANDARD
  • County: Sussex County
  • Centroid: Latitude 38.639, Longitude -75.611
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 19973 has segments in 2 Counties (Dorchester, Sussex).

  • Businesses Addresses: 837
  • PO Box Addresses: 479
  • Residential Addresses: 9,741
    • Multi-Family Addresses: 269
    • Single Family Addresses: 9,472

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.


19973 ZIP Code Map

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Seaford, DE 19973 Data & Demographics (As of July 1, 2017)


Total Population 26,070
Daytime Population: Workers 14,296
Daytime Population: Residents 13,664
Total Daytime Population (TDP) 27,960
Ratio TDP/Total Population1 1.07
Population in Households 25,758
Population in Familes 21,148
Population in Group Qrtrs 312
Population Density2 310
Diversity Index3 58


Median Household Income $49,489
Average Household Income $63,289
Per Capita Income $24,152


Total Housing Units 10,921 (100%)
Owner Occupied HU 6,787 (62.1%)
Renter Occupied HU 3,039 (27.8%)
Vacant Housing Units 1,095 (10.0%)
Median Home Value $195,012
Average Home Value $241,005


Total Households 9,826
Average Household Size 2.62
Family Households 6,921
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 1.07% 0.94%
Households 1.05% 0.89%
Families 0.97% 0.84%
Median Household Income   1.88%
Per Capita Income   2.59%

Seaford, DE 19973 - Peer Comparisons by Rank and Percentile

The table below compares 19973 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 # 14 80th
Population Density # 39 42nd
Diversity Index # 14 80th
Median Household Income # 58 12th
Per Capita Income # 50 25th

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

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