New Castle, Colorado Population 2024

4,850

New Castle Demographics

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

  • White: 75.89%
  • Two or more races: 15.05%
  • Other race: 8.04%
  • Asian: 1.03%
  • Black or African American: 0%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
2.5 sq mi
Density (mi²)
1,943.0/sq mi
Growth Since 2020
-1.26% (-62)
The current population of New Castle, Colorado is 4,850 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 4,912.

Population by Race

Race
Population
Percentage (of total)
White3,70275.89%
Two or more races73415.05%
Other race3928.04%
Asian501.03%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

New Castle Population by Race

New Castle Population Pyramid 2024

New Castle Median Age

37.4

Total

38.9

Male

32.8

Female

New Castle Adults

There are 3,499 adults, (804 of whom are seniors) in New Castle.

New Castle Age Dependency

81

Age Dependency Ratio

29.8

Old Age Dependency Ratio

51.2

Child Dependency Ratio

New Castle Sex Ratio

Female2,56652.6%
Male2,31247.4%

New Castle Population by Age

New Castle Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,8722.6170.829.2
Married1,0433.4481.818.2
Non Family6651.1657.742.3
Female973.690.79.3
Male672.540100

3.3

Average Family Size

2.61

Average Household Size

70.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

New Castle Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade862.73%
Associates Degree32210.22%
Bachelors Degree79925.36%
Graduate Degree34911.08%
High School Graduate93829.77%
Less Than 9th Grade752.38%
Some College58218.47%

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

Race
Total
High School
Bachelors
White2,3082,2671,083
Hispanic69962335
2+ Races50045654
Other Race10210011

The highest rate of high school graduation is among white people with a rate of 98.22%.

The highest rate of bachelors degrees is among white people with a rate of 46.92%.

New Castle Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$83,858$84,289$0
Graduate Degree$81,964$161,096$50,703
High School Graduate$52,023$67,344$34,063
Less Than 9th Grade$0$0$0
Overall$57,989$76,085$51,915
Some College$53,961$49,125$54,396

$57,989

Average Earnings

$76,085

Average Male

$51,915

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

72.68% of New Castle residents speak only English, while 27.32% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 25.87% of the population.

New Castle Language

New Castle Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White3,1802427.61%
Hispanic1,421624.36%
Multiple734141.91%

6.52%

Overall Poverty Rate

9.9%

Male Poverty Rate

3.47%

Female Poverty Rate

Poverty in New Castle

The race most likely to be in poverty in New Castle is White, with 7.61% below the poverty level.

The race least likely to be in poverty in New Castle is Multiple, with 1.91% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 21.73%, and for those that did not work, the poverty rate was 7.23%.

New Castle Poverty

rate

Rate
Poverty
Less Than 9th Grade18.01%
Some College8.41%
High School4.37%
Bachelors or Greater4.36%

New Castle Poverty Rate by Education

rate

Rate
Poverty
Male Employed7.41%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

New Castle Poverty Rate by Employment Status and Sex

New Castle Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$101,375$122,927
Households$88,421$105,584
Married Families$112,985$-999,999,999
Non Families$42,008$64,258

mean

median

Income by Household Type

New Castle Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

58.3%

Overall Marriage Rate

55.5%

Male Marriage Rate

61.4%

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 45-54, while the female age group most likely to be married is 20-34.

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

261

Number of Veterans

261

Male Veterans

0

Female Veterans

War
Veterans
Second Gulf War132
First Gulf War77
Vietnam57
Korea0
World War II0

New Castle Veterans by War

count

Age Group
Veterans
35 to 54170
75+50
65 to 7431
18 to 3410
55 to 640

New Castle Veterans by Age

count

Name
Veterans
% of Total
White2258.06%
2+ Races367.2%
Hispanic344.05%

New Castle Veterans by Race

New Castle Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

47.51%

Veteran Disability Rate

New Castle Veterans by Education

LaborForceParticipation

58.7%

Labor Force Participation

57.9%

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

43.56%

Born in New Castle

86.1%

Native Born

13.9%

Foreign Born

9.41%

Non Citizen

4.49%

Naturalized

Place of Birth

86.1% of New Castle residents were born in the United States, with 43.56% having been born in Colorado. 9.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

New Castle Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20294,774-15-0.31%
20284,789-15-0.31%
20274,804-16-0.33%
20264,820-15-0.31%
20254,835-15-0.31%
20244,850-16-0.33%
20234,866200.41%
20224,846-32-0.66%
20214,878-34-0.69%
20204,912-72-1.44%
20194,98450.1%
20184,9792114.43%
20174,768811.73%
20164,6871142.49%
20154,573340.75%
20144,539-3-0.07%
20134,542110.24%
20124,531511.14%
20114,480-12-0.27%
20104,49200%

New Castle Population by Year