New Castle, Colorado Population 2020

5,160

New Castle is a city located in Colorado. With a 2020 population of 5,160, it is the 80th largest city in Colorado and the 4657th largest city in the United States. New Castle is currently growing at a rate of 1.34% annually and its population has increased by 14.21% since the most recent census, which recorded a population of 4,518 in 2010. Spanning over 3 miles, New Castle has a population density of 2,050 people per square mile.

The average household income in New Castle is $100,034 with a poverty rate of 3.34%. The median rental costs in recent years comes to $1,454 per month, and the median house value is $320,400. The median age in New Castle is 32.3 years, 35.1 years for males, and 31.4 years for females. For every 100 females there are 88.9 males.

New Castle Demographics

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

  • White: 95.80%
  • Two or more races: 2.73%
  • Black or African American: 0.82%
  • Native American: 0.65%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of New Castle, Colorado is 5,160, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 5,024.The last official US Census in 2010 recorded the population at 4,518.

New Castle, Colorado Population 2020

Population by Race

Race Population Percentage
White4,56795.80%
Two or More Races1302.73%
Black or African American390.82%
American Indian and Alaska Native310.65%

New Castle Population Pyramid 2020

New Castle Median Age

32.3


Total

35.1


Male

31.4


Female

New Castle Adults

There are 3,429 adults, (278 of whom are seniors) in New Castle.

New Castle Age Dependency

51.3

Age Dependency Ratio

8.8

Old Age Dependency Ratio

42.5

Child Dependency Ratio

New Castle Sex Ratio

Female

2,524

52.95%

Male

2,243

47.05%

New Castle Households and Families

New Castle Renter vs Owner Occupied by Household Type

New Castle Household Types

Type Owner Renter
Married75.9%24.1%
All69.1%30.9%
Male65%35%
Non Family60%40%
Female46.7%53.3%

69.1%

Rate of Home Ownership

Type Count Average Size Owned
All1,5523.0769.1
Married1,0083.6575.9
Non Family2951.6660
Female1692.2146.7
Male802.7665

3.32

Average Family Size

3.07

Average Household Size

3.4%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

New Castle Education

Education Attained Count Percentage
Less Than 9th Grade933.29%
9th to 12th Grade451.59%
High School Graduate73125.84%
Some College55019.44%
Associates Degree32311.42%
Bachelors Degree74826.44%
Graduate Degree33911.98%

New Castle Educational Attainment by Race

Name Total High School Bachelors
White2,3242,2791,017
Hispanic43534239
Black3939
Native American313131
Multiple Races2715

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 100.00%.

Name Average Male Female
Overall$48,505$62,048$41,731
Less Than High School$$$
High School Grad$54,967$62,314$47,167
Some College$49,423$57,361$33,750
Bachelors Degree$56,597$72,847$45,268
Graduate Degree$38,090$$38,229

$48,505

Average Earnings

$62,048

Average Male

$41,731

Average Female

New Castle Language

New Castle Language by Age

New Castle Language

76.00% of New Castle residents speak only English, while 24.00% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 21.00% of the population.

New Castle Poverty

New Castle Poverty by Race

3.34%

Overall Poverty Rate

2.72%

Male Poverty Rate

3.88%

Female Poverty Rate

Poverty in New Castle

The race most likely to be in poverty in New Castle is White, with 4.43% below the poverty level.

The race least likely to be in poverty in New Castle is White, with 4.43% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.45%. Among those working part-time, it was 0.00%, and for those that did not work, the poverty rate was 18.88%.

Name Poverty
High School2.19%
Some College2.06%
Bachelors or Greater0.92%
Less Than High School0.00%
Name Poverty
Female Unemployed0.00%
Male Employed0.58%
Female Employed0.00%
Male Unemployed0.00%

New Castle Income

New Castle Income by Household Type

Name Median Mean
Households$98,864$100,034
Families$106,183$107,373
Married Families$118,317-
Non Families$42,604$64,501

New Castle Marital Status

New Castle Marital Status

Marriage Rates

57.5%

Overall Marriage Rate

61.9%

Male Marriage Rate

53.2%

Female Marriage Rate

New Castle Married by Age and Sex

New Castle Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.

New Castle Marital Status by Race

New Castle Veterans

117

Number of Veterans

117

Male Veterans

Female Veterans

War Veterans
First Gulf War39
Vietnam18
Second Gulf War15
Korea6
World War II

$New Castle Veterans by Education

0.00%

Veteran Poverty Rate

5.13%

Veteran Disability Rate

New Castle Employment Status

81.5%

Labor Force Participation

78.8%

Employment Rate

3.3%

Unemployment Rate

New Castle Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

44.51%

Born in Colorado

89.97%

Native Born

10.03%

Foreign Born

7.38%

Non Citizen

Place of Birth

89.97% of New Castle residents were born in the United States, with 44.51% having been born in Colorado. 7.38% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
20205,160681.34%
20195,092681.35%
20185,0242124.41%
20174,812681.43%
20164,7441042.24%
20154,640661.44%
20144,574360.79%
20134,538-2-0.04%
20124,540541.20%
20114,486-7-0.16%
20104,4930.00%