Demographic Profile for New Castle County, Delaware
New Castle County, Delaware has a population that is made of 66.3 percent White, 22 percent African American, 3.5 percent Asian, and 6.7 percent Hispanic. The area population base can be described as having a high amount of racial and ethnic diversity, with 32.2 percent of the population made up of minorities. This is greater than the State of Delaware percent of 28.8. Since 2000, New Castle has increased the level of diversity when 27.9 percent of the population was made up of minorities.
New Castle County, Delaware had a population of 523,008 in the year 2005. The population has increased, since its 2000 population of 501,865. This growth represents an increase of 4.2 percent. New Castle ranks 1 of 3 counties by growth in total population in Delaware and the county ranks 159 of 3,141 counties when analyzing total county population change across the nation.
When calculating the total land area, New Castle spans a total of 426 total square miles. The area has a very high average population density of 1,227 persons per square mile, in 2005. Other US counties with similar densities include: -- more densely populated -- Salt Lake, UT (1,286 per sq. mile ), Seminole, FL (1,303 per sq. mile ), Baltimore, MD (1,313 per sq. mile ), -- less densely populated -- Miami-Dade, FL (1,221 per sq. mile ), Bexar, TX (1,218 per sq. mile ), Shelby, TN (1,205 per sq. mile ).
In 2005, the Census Bureau estimated the median age in New Castle County, Delaware to be 36.8 years of age. The median age in New Castle is less than the median age in Delaware of 37.9. Since the year 2000, the area has seen an increase in this median, when at that time it was 35.1 years old. With a total of 23.6 percent of the population in the year 2005 being made up of individuals less than 18 years old, New Castle can be understood as being made up of a medium-high percent of people under 18. The 18 to 64 years old population group has a medium-high representation within the estimated 2005 area population, making up 64.9 percent of the population within the age group. People 65 and older make up 11.5 percent of the total population in the area. Compared to other counties in the US, this represents a medium-low percent of the population base.
Estimated since the year 2000, a high number of individual migrated to the New Castle from another country. The international migration into New Castle totals 75.9 percent of the total migration into the State of Delaware. This percent of international migration is high when analyzed against immigration per population in 2005.
Datasource: Population Estimates Program, U.S. Bureau of the Census.
New Castle County, Delaware had a population of 523,008 in the year 2005. The population has increased, since its 2000 population of 501,865. This growth represents an increase of 4.2 percent. New Castle ranks 1 of 3 counties by growth in total population in Delaware and the county ranks 159 of 3,141 counties when analyzing total county population change across the nation.
When calculating the total land area, New Castle spans a total of 426 total square miles. The area has a very high average population density of 1,227 persons per square mile, in 2005. Other US counties with similar densities include: -- more densely populated -- Salt Lake, UT (1,286 per sq. mile ), Seminole, FL (1,303 per sq. mile ), Baltimore, MD (1,313 per sq. mile ), -- less densely populated -- Miami-Dade, FL (1,221 per sq. mile ), Bexar, TX (1,218 per sq. mile ), Shelby, TN (1,205 per sq. mile ).
In 2005, the Census Bureau estimated the median age in New Castle County, Delaware to be 36.8 years of age. The median age in New Castle is less than the median age in Delaware of 37.9. Since the year 2000, the area has seen an increase in this median, when at that time it was 35.1 years old. With a total of 23.6 percent of the population in the year 2005 being made up of individuals less than 18 years old, New Castle can be understood as being made up of a medium-high percent of people under 18. The 18 to 64 years old population group has a medium-high representation within the estimated 2005 area population, making up 64.9 percent of the population within the age group. People 65 and older make up 11.5 percent of the total population in the area. Compared to other counties in the US, this represents a medium-low percent of the population base.
Estimated since the year 2000, a high number of individual migrated to the New Castle from another country. The international migration into New Castle totals 75.9 percent of the total migration into the State of Delaware. This percent of international migration is high when analyzed against immigration per population in 2005.
Datasource: Population Estimates Program, U.S. Bureau of the Census.

