Weldon is a city located in Decatur County, Iowa. Weldon has a 2026 population of 134. Weldon is currently declining at a rate of -1.47% annually and its population has decreased by -2.9% since the most recent census, which recorded a population of 138 in 2020.
The median household income in Weldon is $51,875 with a poverty rate of 5.68%. The median age in Weldon is 60.1 years: 60.1 years for males, and 60.1 years for females. For every 100 females there are 120.0 males.