Fieldon is a village located in Jersey County, in the state of Illinois (IL), United States. Nestled in the East North Central division of the Midwest region, it covers an area of 0.2 square miles (1.0 km²) and sits at an elevation of 700 ft. With a population of approximately 271 residents, Fieldon offers a peaceful, rural atmosphere.
The town's population is composed of about 50.55% males and 49.45% females, and it has a population density of 355.00 people per square mile (523.17/km²). Fieldon lies at a latitude of 39.11 and a longitude of -90.5, operating in the UTC-6.
Locals reflect a blend of American ancestry, with roots primarily in United States (3.3%), followed by English (2.6%), German (39.9%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 62031.