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 and multiracial populations.

Population by Race

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%

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