Elmer is a city located in Macon County, Missouri. Elmer has a 2026 population of 51. Elmer is currently declining at a rate of -1.92% annually and its population has decreased by -1.92% since the most recent census, which recorded a population of 52 in 2020.
The median household income in Elmer is $37,500 with a poverty rate of 33.33%. The median age in Elmer is 68 years: 67.3 years for males, and 81.2 years for females. For every 100 females there are 140.0 males.