Cambridge is a city located in Idaho. With a 2020 population of 319, it is the 149th largest city in Idaho and the 15105th largest city in the United States. Cambridge is currently declining at a rate of -0.31% annually and its population has decreased by -2.74% since the most recent census, which recorded a population of 328 in 2010. Cambridge reached it's highest population of 327 in 2010. Spanning over 0 miles, Cambridge has a population density of 659 people per square mile.
The average household income in Cambridge is $50,510 with a poverty rate of 16.36%. The median rental costs in recent years comes to $688 per month, and the median house value is $122,000. The median age in Cambridge is 55.1 years, 55 years for males, and 55.2 years for females. For every 100 females there are 88.0 males.