Sussex County DE Information


Sussex County Subdivisions

Sussex County DE Data & Demographics (As of July 1, 2018)


Total Population 236,455
Population in Households 233,518
Population in Familes 186,901
Population in Group Qrtrs 2,937
Population Density2 253
Diversity Index3 48


Median Household Income $55,338
Average Household Income $76,020
Per Capita Income $30,690


Total Housing Units 143,111 (100%)
Owner Occupied HU 73,596 (51.4%)
Renter Occupied HU 20,992 (14.7%)
Vacant Housing Units 48,523 (33.9%)
Median Home Value $265,257
Average Home Value $320,652


Total Households 94,588
Average Household Size 2.47
Family Households 63,419
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 2.23% 2.08%
Households 2.15% 2.04%
Families 2.04% 1.96%
Median Household Income   2.07%
Per Capita Income   2.17%


Sussex County DE - Peer Comparisons by Rank and Percentile

The table below compares Sussex County to the other 3 counties and county equivalents in Delaware by rank and percentile using July 1, 2018 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 # 2 67th
Population Density # 3 33rd
Diversity Index # 3 33rd
Median Household Income # 3 33rd
Per Capita Income # 2 67th

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