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New Castle County, Delaware

Interactive maps and statistics for New Castle County, Delaware: income, age, education, housing, health and more, set beside Delaware and the United States.

New Castle County, Delaware is among the highest in the country for total population (122nd of 3,222 counties), and among the highest in the country for population per square mile (131st of 3,222 counties).

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Key figures

StatisticNew Castle County, Delaware DelawareUnited States Rank
Total Population577,9611,021,191334,922,499122nd of 3,222
Median Household Income$91,166$84,954$80,734278th of 3,221
Median Age39.341.638.92307th of 3,222
Bachelor's Degree or Higher39.7%35.8%35.7%287th of 3,222
Median Home Value$352,200$352,000$332,700407th of 3,217
Median Gross Rent$1,448$1,401$1,413279th of 3,215
Poverty Rate10.1%10.4%12.5%2402nd of 3,222
Unemployment Rate4.8%5.1%5.2%1343rd of 3,222
Population per Square Mile1,355.6524.1n/a131st of 3,222
Foreign Born12.8%10.7%14.1%258th of 3,222
Life Expectancy77.4n/an/a956th of 3,062
Homeownership Rate69.0%73.0%65.2%2396th of 3,222
Average Commute Time25.326.026.41339th of 3,221
Worked from Home17.6%15.0%15.1%230th of 3,222
Uninsured5.9%n/an/a2826th of 3,134
Married-Couple Households44.3%47.2%46.9%2460th of 3,222
Broadband Access91.6%n/an/a196th of 3,135

Rank is among all US counties with published data, counting down from the highest value. Figures come from the American Community Survey, CDC, BLS, BEA and other federal sources. Open the map for 1,147 statistics and the year and margin of error behind each one.

Race and ethnicity in New Castle County, Delaware

StatisticNew Castle County, DelawareDelawareUnited States
White (non-Hispanic)52.3%58.1%57.4%
Hispanic or Latino (any race)11.8%11.0%19.3%
Black (non-Hispanic)24.9%21.4%11.9%
Asian (non-Hispanic)6.2%4.3%5.9%
Two or More Races (non-Hispanic)4.2%4.5%4.3%
American Indian & Alaska Native (non-Hispanic)0.0%0.1%0.5%
Native Hawaiian & Pacific Islander (non-Hispanic)0.0%0.0%0.2%
Some Other Race (non-Hispanic)0.5%0.5%0.6%
Diversity Index64.560.061.4

Age in New Castle County, Delaware

StatisticNew Castle County, DelawareDelawareUnited States
Median Age39.341.638.9
Under 18 %21.2%20.7%22.0%
Age 18-24 %9.1%8.5%9.1%
Age 25-34 %13.8%12.6%13.7%
Age 35-44 %13.3%12.2%13.2%
Age 45-64 %25.5%25.4%24.8%
Age 65 and Over %17.1%20.6%17.2%

Households and families in New Castle County, Delaware

StatisticNew Castle County, DelawareDelawareUnited States
Households224,173402,038129,227,496
Average Household Size2.52.52.5
Family Households63.5%65.1%64.2%
Households with Children28.8%27.4%29.5%
Single-Parent Families19.2%17.9%17.3%
People Living Alone29.6%28.5%28.7%
Never Married37.6%33.6%34.4%

Income and poverty in New Castle County, Delaware

StatisticNew Castle County, DelawareDelawareUnited States
Per Capita Income$47,777$45,375$44,673
Households Under $25,00011.5%11.9%14.6%
Households $50,000 to $74,99915.0%15.9%15.5%
Households $100,000 to $149,99919.2%19.0%17.5%
Households $200,000 or More15.0%12.4%13.4%
Poverty Rate10.1%10.4%12.5%
Below 200% of Poverty22.7%24.3%28.2%
SNAP Households9.8%10.7%n/a

Housing in New Castle County, Delaware

StatisticNew Castle County, DelawareDelawareUnited States
Housing Units236,079464,203143,775,355
Single-Family Detached Homes53.0%59.1%61.3%
Buildings with 5+ Units18.9%14.5%19.1%
Vacancy Rate5.0%13.4%10.1%
Median Year Structure Built1,975.01,987.01,980.0
Renter-Occupied31.0%27.0%34.8%
Rent as % of Household Income29.1%29.9%30.6%
Median Property Tax$2,499$1,768n/a

Education in New Castle County, Delaware

StatisticNew Castle County, DelawareDelawareUnited States
Less than High School7.4%8.3%10.4%
High School Graduate26.7%28.8%26.0%
Some College or Associate Degree26.2%27.1%27.9%
Bachelor's Degree22.5%20.4%21.6%
Graduate or Professional Degree17.2%15.3%14.1%

Work and commuting in New Castle County, Delaware

StatisticNew Castle County, DelawareDelawareUnited States
Labour Force Participation65.7%62.1%63.5%
Drove Alone to Work68.6%71.7%68.8%
Public Transit2.6%1.8%3.2%
Walked to Work2.2%2.0%2.4%
Commutes Under 15 Minutes23.2%24.8%26.0%
Commutes Over an Hour6.9%7.8%8.6%
Households Without a Car7.5%6.2%n/a

Origins and language in New Castle County, Delaware

StatisticNew Castle County, DelawareDelawareUnited States
Born in State of Residence44.3%42.9%57.3%
Naturalised Citizens7.1%5.8%7.4%
Non-Citizens5.7%4.9%6.8%
Speaks Only English at Home82.7%84.9%77.7%
Speaks Spanish at Home8.3%7.9%13.6%
Limited English Proficiency13.1%11.6%16.7%

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