Wilmington, DE Profile: Facts, Map & Data


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Wilmington, Delaware - Basic Facts

The City of Wilmington is the largest city in Delaware with a population of 73,672 as of July 1, 2017. 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 39.7356 and longitude -75.5321 in New Castle County. The formal boundaries for the City of Wilmington (see map below) 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.

Beneath the boundary map are tables with Wilmington population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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

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City of Wilmington, DE Boundary Map

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Boundary Maps: Wilmington Division | New Castle County | Delaware Counties

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


Total Population 73,672
Daytime Population: Workers 66,947
Daytime Population: Residents 40,080
Total Daytime Population (TDP) 107,027
Ratio TDP/Total Population1 1.45
Population in Households 70,264
Population in Familes 50,476
Population in Group Qrtrs 3,408
Population Density2 6,756
Diversity Index3 66


Median Household Income $39,618
Average Household Income $62,076
Per Capita Income $25,750


Total Housing Units 34,457 (100%)
Owner Occupied HU 12,992 (37.7%)
Renter Occupied HU 16,621 (48.2%)
Vacant Housing Units 4,844 (14.1%)
Median Home Value $172,910
Average Home Value $223,067


Total Households 29,613
Average Household Size 2.37
Family Households 15,786
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 0.54% 0.24%
Households 0.47% 0.26%
Families 0.34% 0.07%
Median Household Income   2.35%
Per Capita Income   2.27%

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, 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 # 1 100th
Population Density # 2 99th
Diversity Index # 14 82nd
Median Household Income # 74 5th
Per Capita Income # 50 36th

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

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