Newcastle

County:: Placer County
County Seat:: No
Area (mi²):: 2.392
State:: California

Newcastle is a CDP located in Placer County, California. Newcastle has a 2025 population of 1,570. Newcastle is currently growing at a rate of 1.49% annually and its population has increased by 15.44% since the most recent census, which recorded a population of 1,360 in 2020.

The average household income in Newcastle is $126,036 with a poverty rate of 12.11%. The median age in Newcastle is 42.7 years: 40.5 years for males, and 50 years for females.

Demographics

The racial composition of Newcastle includes 89.02% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,419	89.02%
Two or more races	104	6.52%
Black or African American	22	1.38%
Other race	20	1.25%
Asian	19	1.19%
Native American	10	0.63%
Native Hawaiian or Pacific Islander	0	0%

Newcastle Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Newcastle's average per capita income is $57,007. Household income levels show a median of $110,446. The poverty rate stands at 12.11%.

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
Families	$167,813	$165,980
Married Families	$138,542	-
Households	$110,446	$126,036
Non Families	$38,828	$54,806

$57,007

Average Income

$110,446

Median Household Income

12.11%

Poverty Rate