Cambridge Flag

Cambridge

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

Cambridge is a city located in Washington County, Idaho. Cambridge has a 2026 population of 372. Cambridge is currently growing at a rate of 1.09% annually and its population has increased by 6.29% since the most recent census, which recorded a population of 350 in 2020.

The median household income in Cambridge is $50,833 with a poverty rate of 13.2%. The median age in Cambridge is 56.8 years: 62 years for males, and 55.4 years for females. For every 100 females there are 90.6 males.

372
Total Population
769
Density (mi²)
4 1.09%
Growth

Cambridge Population

Cambridge Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202637241.09%
202536830.82%
2024365-5-1.35%
202337051.37%
202236551.39%
2021360102.86%
202035010.29%
201931600%
201831600%
2017316-1-0.32%
201631730.96%
2015314-1-0.32%
201431500%
2013315-4-1.25%
2012319-3-0.93%
2011322-6-1.83%
2010325-1-0.31%

Median Age

Overall: 56.8 years
Female: 55.4 years
Male: 62 years

Cambridge Adults

There are 276 adults, (139 of whom are seniors) in Cambridge.

Sex Ratio

Female: 170 (52.5%)
Male: 154 (47.5%)

Demographics

The racial composition of Cambridge includes 89.81% White, 10.19% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White29189.81%
Other race3310.19%
Race
Population ↓
Percentage (of total)
White29189.81%
Other race3310.19%

Cambridge Marital Status

Economics and Income Statistics

Cambridge 's average per capita income is $52,431. Household income levels show a median of $50,833. The poverty rate stands at 13.2%.

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$72,500-
Families$53,750$76,326
Households$50,833$63,357
Non Families$18,393$23,162

$52,431

Average Income

$50,833

Median Household Income

13.2%

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)