Cambridge

County:: Washington County
County Seat:: No
Area (mi²):: 0.484
State:: Idaho

Cambridge is a city located in Washington County, Idaho. Cambridge has a 2025 population of 364. Cambridge is currently growing at a rate of 1.68% annually and its population has increased by 8.33% since the most recent census, which recorded a population of 336 in 2020.

The average household income in Cambridge is $66,614 with a poverty rate of 10.71%. The median age in Cambridge is 54 years: 56.8 years for males, and 51.8 years for females.

Demographics

The racial composition of Cambridge includes 93.45% White, 6.55% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, Two or more races and multiracial populations.

Population by Race

White

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Two or more races

Race	Population	Percentage (of total)
White	314	93.45%
Other race	22	6.55%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Two or more races	0	0%

Cambridge Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cambridge's average per capita income is $52,500. Household income levels show a median of $48,250. The poverty rate stands at 10.71%.

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	$85,000	-
Families	$68,036	$83,639
Households	$48,250	$66,614
Non Families	$21,875	$27,960

$52,500

Average Income

$48,250

Median Household Income

10.71%

Poverty Rate