De Witt is a city located in Carroll County, Missouri. De Witt has a 2026 population of 82. De Witt is currently declining at a rate of 0% annually and its population has decreased by -2.38% since the most recent census, which recorded a population of 84 in 2020.
The median age in De Witt is 66.1 years: 67.2 years for males, and 65.8 years for females. For every 100 females there are 77.4 males.