Luther is a city located in Boone County, Iowa. Luther has a 2026 population of 147. Luther is currently declining at a rate of 0% annually and its population has decreased by -2% since the most recent census, which recorded a population of 150 in 2020.
The median household income in Luther is $100,938 with a poverty rate of 0%. The median age in Luther is 43.8 years: 42.5 years for males, and 44.6 years for females. For every 100 females there are 114.9 males.