
Weldon
- County:
- De Witt County
- County Seat:
- No
- Area (mi²):
- 0.267
- State:
- Illinois
Weldon is a village located in De Witt County, Illinois. Weldon has a 2025 population of 368. Weldon is currently declining at a rate of 0% annually and its population has decreased by -0.54% since the most recent census, which recorded a population of 370 in 2020.
The average household income in Weldon is $69,403 with a poverty rate of 13%. The median age in Weldon is 44.4 years: 46.8 years for males, and 41.9 years for females.