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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	314	93.45%
Other race	22	6.55%

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