New Castle County, Delaware Population 2022

New Castle County, Delaware's estimated population is with a growth rate of 0.56% in the past year according to the most recent United States census data. New Castle County, Delaware is the largest county in Delaware. The 2010 population was and has seen a growth of 7.18% since this time.

Note: 2021 and 2022 data is projected

New Castle County, Delaware Population 2022

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New Castle County, Delaware Population Growth

Population by Race

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New Castle County, Delaware Population by Race

New Castle County, Delaware Population Pyramid 2022

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New Castle County, Delaware Median Age

38.7


Total

37.1


Male

40.2


Female

New Castle County, Delaware Adults

There are 438,060 adults, (87,119 of whom are seniors) in New Castle County, Delaware.

New Castle County, Delaware Age Dependency

Age Dependency Ratio

24.8

Old Age Dependency Ratio

34.3

Child Dependency Ratio

New Castle County, Delaware Sex Ratio

Female

288,028

51.59%

Male

270,278

48.41%

New Castle County, Delaware Population by Age

New Castle County, Delaware Renter vs Owner Occupied by Household Type

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New Castle County, Delaware Household Types

67.9%

Rate of Home Ownership

New Castle County, Delaware Households and Families

3.23

Average Family Size

2.59

Average Household Size

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New Castle County, Delaware Households by Type

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New Castle County, Delaware Educational Attainment by Sex (over 25)

New Castle County, Delaware Educational Attainment by Race

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The highest rate of high school graduation is among islander people with a rate of 95.56%.

The highest rate of bachelors degrees is among asian people with a rate of 68.49%.

New Castle County, Delaware Educational Attainment by Race

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$48,047

Average Earnings

$53,857

Average Male

$41,811

Average Female

New Castle County, Delaware Earnings by Educational Attainment

New Castle County, Delaware Language by Age

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New Castle County, Delaware Language

84.82% of New Castle County, Delaware residents speak only English, while 15.18% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.72% of the population.

New Castle County, Delaware Language

New Castle County, Delaware Poverty by Race

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10.75%

Overall Poverty Rate

9.66%

Male Poverty Rate

11.76%

Female Poverty Rate

Poverty in New Castle County, Delaware

The race most likely to be in poverty in New Castle County, Delaware is Islander, with 20.78% below the poverty level.

The race least likely to be in poverty in New Castle County, Delaware is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.60%. Among those working part-time, it was 13.81%, and for those that did not work, the poverty rate was 18.88%.

New Castle County, Delaware Poverty

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New Castle County, Delaware Poverty Rate by Education

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New Castle County, Delaware Poverty Rate by Employment Status and Sex

New Castle County, Delaware Income by Household Type

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Income by Household Type

New Castle County, Delaware Marital Status

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Marriage Rates

45.3%

Overall Marriage Rate

47.9%

Male Marriage Rate

43.0%

Female Marriage Rate

New Castle County, Delaware Married by Age and Sex

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New Castle County, Delaware Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

New Castle County, Delaware Marital Status by Race

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New Castle County, Delaware Marital Status

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30,066

Number of Veterans

Male Veterans

Female Veterans

New Castle County, Delaware Veterans by War

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New Castle County, Delaware Veterans by Age

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New Castle County, Delaware Veterans by Race

New Castle County, Delaware Veterans by Education

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5.62%

Veteran Poverty Rate

26.22%

Veteran Disability Rate

New Castle County, Delaware Veterans by Education

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65.3%

Labor Force Participation

61.1%

Employment Rate

6.1%

Unemployment Rate

New Castle County, Delaware Employment by Age

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New Castle County, Delaware Employment by Race

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New Castle County, Delaware Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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45.84%

Born in New Castle County, Delaware

88.54%

Native Born

11.46%

Foreign Born

5.44%

Non Citizen

6.01%

Naturalized

Place of Birth

88.54% of New Castle County, Delaware residents were born in the United States, with 45.84% having been born in Delaware. 5.44% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

New Castle County, Delaware Place of Birth

Sources