Delmar, DE 19940 ZIP Code Profile

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Delmar, DE

ZIP Code 19940: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Delmar, DE 19940

  • ZIP Code Type: STANDARD
  • County: Sussex County
  • Centroid: Latitude 38.456, Longitude -75.574
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 288
  • PO Box Addresses: 217
  • Residential Addresses: 2,309
    • Multi-Family Addresses: 0
    • Single Family Addresses: 2,309

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.


19940 ZIP Code Map

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Delmar, DE 19940 Data & Demographics (As of July 1, 2017)


Total Population 6,171
Daytime Population: Workers 1,941
Daytime Population: Residents 3,256
Total Daytime Population (TDP) 5,197
Ratio TDP/Total Population1 0.84
Population in Households 6,082
Population in Familes 5,095
Population in Group Qrtrs 89
Population Density2 149
Diversity Index3 36


Median Household Income $51,012
Average Household Income $64,635
Per Capita Income $24,116


Total Housing Units 2,424 (100%)
Owner Occupied HU 1,668 (68.8%)
Renter Occupied HU 600 (24.8%)
Vacant Housing Units 156 ( 6.4%)
Median Home Value $186,379
Average Home Value $228,642


Total Households 2,268
Average Household Size 2.68
Family Households 1,624
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 1.19% 1.35%
Households 1.11% 1.28%
Families 1.08% 1.27%
Median Household Income   2.93%
Per Capita Income   2.86%

Delmar, DE 19940 - Peer Comparisons by Rank and Percentile

The table below compares 19940 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 # 43 35th
Population Density # 58 12th
Diversity Index # 51 23rd
Median Household Income # 56 15th
Per Capita Income # 51 23rd

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

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