Cambridge Flag

Cambridge

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

Cambridge is a city located in Washington County, Idaho. Cambridge has a 2025 population of 368 . Cambridge is currently growing at a rate of 0.82% annually and its population has increased by 5.14% since the most recent census, which recorded a population of 350 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. For every 100 females there are 85.6 males.

368
Total Population
761
Density (mi²)
3 0.82%
Growth

Cambridge Population

Cambridge Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Cambridge includes 93.45% White, 6.55% other race, and smaller percentages for and multiracial populations.

Population by Race

White (93.45%)

Other race (6.55%)

Race
Population
Percentage (of total)
White31493.45%
Other race226.55%

Cambridge Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)