Fieldon is a village located in Jersey County, Illinois. Fieldon has a 2026 population of 162. Fieldon is currently declining at a rate of -0.61% annually and its population has decreased by -5.26% since the most recent census, which recorded a population of 171 in 2020.
The median household income in Fieldon is $61,667 with a poverty rate of 26%. The median age in Fieldon is 50.8 years: 51.3 years for males, and 48.5 years for females. For every 100 females there are 77.0 males.