New Castle, DE Profile: Facts, Map & Data


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New Castle, Delaware - Basic Facts

The City of New Castle had a population of 5,672 as of July 1, 2017.

The primary coordinate point for New Castle is located at latitude 39.6698 and longitude -75.5663 in New Castle County. The formal boundaries for the City of New Castle (see map below) encompass a land area of 3.4 sq. miles and a water area of 0.12 sq. miles. New Castle County is in the Eastern time zone (GMT -5). The elevation is 10 feet.

The City of New Castle (GNIS ID: 2390625) 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 New Castle is located within New Castle Division of New Castle County.

Beneath the boundary map are tables with New Castle 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 New Castle: Aresapa, Cannekonkan, Delaware Town, Fort Casimir, Fort Casimires, Fort Kasimier, Fort Trefalldigheet, Fort Trinity, Macherish Kitton, Neu Castle, Neucastle, New Amstel, New Castel, New Castl, New Castle Town, New Castle Towne, Newcastle, Newcastle Town, Nieu Causeland, Nieuwer-Amstel, Niew Amstel, Sandhocken, Santhoeck, Tamakonck, Tamecongh, Trefaldighet, Trefalldigheet.

EXTREMELY LOCAL Demographic Data

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City of New Castle, DE Boundary Map

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

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


Total Population 5,672
Daytime Population: Workers 5,703
Daytime Population: Residents 2,930
Total Daytime Population (TDP) 8,633
Ratio TDP/Total Population1 1.52
Population in Households 5,672
Population in Familes 4,324
Population in Group Qrtrs 0
Population Density2 1,669
Diversity Index3 54


Median Household Income $61,253
Average Household Income $78,608
Per Capita Income $34,344


Total Housing Units 2,688 (100%)
Owner Occupied HU 1,603 (59.6%)
Renter Occupied HU 906 (33.7%)
Vacant Housing Units 180 ( 6.7%)
Median Home Value $216,619
Average Home Value $245,885


Total Households 2,508
Average Household Size 2.26
Family Households 1,477
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 0.98% 0.58%
Households 1.01% 0.64%
Families 0.98% 0.4%
Median Household Income   2.05%
Per Capita Income   2.26%

New Castle, DE - Peer Comparisons by Rank and Percentile

The table below compares New Castle 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 # 21 74th
Population Density # 27 66th
Diversity Index # 34 57th
Median Household Income # 37 53rd
Per Capita Income # 21 74th

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

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