New Castle

County:: Garfield County
County Seat:: No
Area (mi²):: 2.496
State:: Colorado

New Castle is a town located in Garfield County, Colorado. New Castle has a 2025 population of 4,835. New Castle is currently declining at a rate of -0.31% annually and its population has decreased by -1.57% since the most recent census, which recorded a population of 4,912 in 2020.

The average household income in New Castle is $105,584 with a poverty rate of 6.52%. The median age in New Castle is 37.4 years: 38.9 years for males, and 32.8 years for females.

Demographics

The racial composition of New Castle includes 75.89% White, 8.04% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,702	75.89%
Two or more races	734	15.05%
Other race	392	8.04%
Asian	50	1.03%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

New Castle Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

New Castle's average per capita income is $57,989. Household income levels show a median of $88,421. The poverty rate stands at 6.52%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

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

$57,989

Average Income

$88,421

Median Household Income

6.52%

Poverty Rate