Wilmington, DE Profile: Facts & Data


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Wilmington, Delaware - Basic Facts

The City of Wilmington is the largest city in Delaware with a population of 73,456 as of July 1, 2018. Wilmington ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Delaware. See peer rankings below.

The primary coordinate point for Wilmington is located at latitude 39.7459 and longitude -75.5466 in New Castle County. The formal boundaries for the City of Wilmington encompass a land area of 10.9 sq. miles and a water area of 6.04 sq. miles. New Castle County is in the Eastern time zone (GMT -5). The elevation is 92 feet.

The City of Wilmington (GNIS ID: 2390676) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Delaware is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Wilmington is located within Wilmington Division of New Castle County.

Alternate Unofficial Names for Wilmington: Christinahamn, Fort Altena, Fort Christina, Walmington, Willington, Willingtown, Wilmington City.

Jump to... (On This Page!)
  1. Wilmington 2018 Demographic Data
  2. Growth Rates for Wilmington (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Delaware Research Tools (Easy Tools & Current Data)
  3. Delaware Data Comparison Tool - 2018 Demographics

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


Total Population 73,456
Population in Households 70,181
Population in Familes 50,790
Population in Group Qrtrs 3,275
Population Density2 6,737
Diversity Index3 66


Median Household Income $39,433
Average Household Income $62,447
Per Capita Income $25,832


Total Housing Units 34,424 (100%)
Owner Occupied HU 12,588 (36.6%)
Renter Occupied HU 16,893 (49.1%)
Vacant Housing Units 4,943 (14.4%)
Median Home Value $178,374
Average Home Value $223,726


Total Households 29,481
Average Household Size 2.38
Family Households 15,620
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.44% 0.42%
Households 0.36% 0.45%
Families 0.17% 0.2%
Median Household Income   1.45%
Per Capita Income   1.62%

Wilmington, DE - Peer Comparisons by Rank and Percentile

The table below compares Wilmington to the other 77 incorporated cities, towns and CDPs 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 # 1 100th
Population Density # 2 99th
Diversity Index # 16 82nd
Median Household Income # 75 4th
Per Capita Income # 51 35th

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

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