New Castle, DE Profile: Facts & Data


New Castle Local Links & Resources:
Resources | ALL New Castle Content
Planning to visit New Castle? See Local Hotels

Also See: New Castle, DE ZIP Codes & ZIP Code Maps

New Castle, Delaware - Basic Facts

The City of New Castle had a population of 5,624 as of July 1, 2020.

The primary coordinate point for New Castle is located at latitude 39.6621 and longitude -75.5663 in New Castle County. The formal boundaries for the City of New Castle 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.

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.


New Castle, DE Data & Demographics (As of July 1, 2020)


Total Population 5,624 (100%)
Population in Households 5,624 (100.0%)
Population in Families 4,260 (75.7%)
Population in Group Quarters1 0
Population Density 1,668
Diversity Index2 57


Median Household Income $60,803
Average Household Income $83,440
% of Income for Mortgage4 14%
Per Capita Income $36,818
Wealth Index5 95


Total HU (Housing Units) 2,617 (100%)
Owner Occupied HU 1,573 (60.1%)
Renter Occupied HU 936 (35.8%)
Vacant Housing Units 108 ( 4.1%)
Median Home Value $206,216
Average Home Value $273,777
Housing Affordability Index3 180


Total Households 2,509
Average Household Size 2.24
Family Households 1,455
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 0.63% 0.41%
Households 0.73% 0.47%
Families 0.57% 0.23%
Median Household Income   0.48%
Per Capita Income   1.0%
Owner Occupied HU   0.14%


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, 2020 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 # 28 65th
Median Household Income # 33 58th
Housing Affordability Index # 60 78th
Per Capita Income # 23 71st
Diversity Index # 32 60th

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

New Castle, DE - Most Popular Things to Do

Also See: Nearby Hotels | Driving Directions

Use HTL Address Research for a Delaware Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2020, data includes home values, household income, percentage of homes owned, rented or vacant, etc.

Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features

Delaware Census Data Comparison Tool

Compare Delaware July 1, 2020 Data
Highest or Lowest:

More Tools and Resources:

  1. For information about schools and school attendance zones, use the HTL Address Tool
  2. Our new HTL Neighborhood Explorer provides lots of detail about any neighborhood.
  3. The new 2-Minute Introduction and Concise Guide to Big Data which will help you make the most effective use of HomeTownLocator Tools.
  4. See the References & Data Sources page for more information about methodology and sources of data.
  5. See the Delaware COVID-19 Data and US COVID-19 Data for more information on the spread of the novel coronavirus.