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 and multiracial populations.

Population by Race

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%

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