Cambridge is a city located in Washington County, Idaho. Cambridge has a 2025 population of 365 . Cambridge is currently declining at a rate of -1.35% annually but its population has increased by 4.29% since the most recent census, which recorded a population of 350 in 2020.
The median household income in Cambridge is $48,250 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.
Data after 2023 is projected based on recent change
The racial composition of Cambridge includes 93.45% White, 6.55% other race, and smaller percentages for and multiracial populations.
White (93.45%)
Other race (6.55%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 314 | 93.45% |
| Other race | 22 | 6.55% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $85,000 | - |
| Families | $68,036 | $83,639 |
| Households | $48,250 | $66,614 |
| Non Families | $21,875 | $27,960 |
Average Income
Median Household Income
Poverty Rate