New Castle, Delaware Population 2024

5,516

New Castle is a city located in New Castle County Delaware. New Castle has a 2024 population of 5,516. New Castle is currently declining at a rate of -0.14% annually and its population has decreased by -0.61% since the most recent census, which recorded a population of 5,550 in 2020.

The average household income in New Castle is $107,132 with a poverty rate of 4.35%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in New Castle is 49.2 years, 47.1 years for males, and 50.9 years for females.

New Castle Demographics

According to the most recent ACS, the racial composition of New Castle was:

  • White: 65.51%
  • Black or African American: 28.84%
  • Other race: 4.22%
  • Two or more races: 1.12%
  • Asian: 0.31%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
3.4 sq mi
Density (mi²)
1,636.20/sq mi
Growth Since 2020
-0.61% (-34)
The current population of New Castle, Delaware is 5,516 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 5,550.

New Castle, Delaware Population 2024

Population by Race

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Race
Population
Percentage (of total)
White3,61865.51%
Black or African American1,59328.84%
Other race2334.22%
Two or more races621.12%
Asian170.31%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Other race

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

New Castle Population by Race

New Castle Population Pyramid 2024

New Castle Median Age

49.2

Total

47.1

Male

50.9

Female

New Castle Adults

There are 4,752 adults, (1,160 of whom are seniors) in New Castle.

New Castle Age Dependency

53.8

Age Dependency Ratio

32.3

Old Age Dependency Ratio

21.5

Child Dependency Ratio

New Castle Sex Ratio

Female2,81150.9%
Male2,71249.1%

New Castle Population by Age

New Castle Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,7112.046238
Married1,2602.5875.824.2
Non Family1,1491.1542.657.4
Female2043.1177.922.1
Male983.1177.622.4

2.64

Average Family Size

2.04

Average Household Size

62.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

New Castle Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

New Castle Educational Attainment by Sex (over 25)

New Castle Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 100%.

New Castle Educational Attainment by Race

All

Male

Female

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$57,754

Average Earnings

$60,239

Average Male

$54,911

Average Female

New Castle Earnings by Educational Attainment

New Castle Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

New Castle Language

92.43% of New Castle residents speak only English, while 7.57% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.76% of the population.

New Castle Language

New Castle Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White3,5791393.88%
Black1,593805.02%
Multiple622133.87%
Hispanic29472.38%

4.35%

Overall Poverty Rate

2.58%

Male Poverty Rate

6.05%

Female Poverty Rate

Poverty in New Castle

The race most likely to be in poverty in New Castle is Multiple, with 33.87% below the poverty level.

The race least likely to be in poverty in New Castle is Hispanic, with 2.38% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.27%. Among those working part-time, it was 9.75%, and for those that did not work, the poverty rate was 8.47%.

New Castle Poverty

rate

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Rate
Poverty
Less Than 9th Grade15.77%
Some College4.98%
High School4.54%
Bachelors or Greater2.7%

New Castle Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed87.5%
Female Employed3.66%
Male Employed0.73%
Male Unemployed0%

New Castle Poverty Rate by Employment Status and Sex

New Castle Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

New Castle Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

50.6%

Overall Marriage Rate

56.3%

Male Marriage Rate

45.4%

Female Marriage Rate

New Castle Married by Age and Sex

male

female

New Castle 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 55-64.

New Castle Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

New Castle Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

226

Number of Veterans

208

Male Veterans

18

Female Veterans

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New Castle Veterans by War

count

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New Castle Veterans by Age

count

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New Castle Veterans by Race

New Castle Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

11.95%

Veteran Poverty Rate

22.57%

Veteran Disability Rate

New Castle Veterans by Education

LaborForceParticipation

68.2%

Labor Force Participation

66.1%

Employment Rate

1.3%

Unemployment Rate

New Castle Employment by Age

LaborForceParticipation

New Castle Employment by Race

LaborForceParticipation

New Castle Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

46.95%

Born in New Castle

93.7%

Native Born

6.3%

Foreign Born

2.57%

Non Citizen

3.73%

Naturalized

Place of Birth

93.7% of New Castle residents were born in the United States, with 46.95% having been born in Delaware. 2.57% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

New Castle Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20295,473-9-0.16%
20285,482-8-0.15%
20275,490-9-0.16%
20265,499-8-0.15%
20255,507-9-0.16%
20245,516-8-0.14%
20235,524-9-0.16%
20225,53390.16%
20215,524-26-0.47%
20205,5501362.51%
20195,414420.78%
20185,3722224.31%
20175,150-19-0.37%
20165,169-17-0.33%
20155,186-8-0.15%
20145,194-5-0.1%
20135,199110.21%
20125,188150.29%
20115,173140.27%
20105,15900%
20004,862250.52%
19904,837-70-1.43%
19804,907931.93%
19704,8143457.72%
19604,469-927-17.18%
19505,39698222.25%
19404,4142836.85%
19304,1312777.19%
19203,85450315.01%
19103,351-29-0.86%
19003,380-630-15.71%
18904,0103108.38%
18803,700-1,773-32.4%
showing: 33 rows

New Castle Population by Year