Hoyleton is a village in Washington County, Illinois, United States. The population was 520 at the 2000 census. It is the home town of former Montréal Expos and San Francisco Giants left-handed pitcher Kirk Rueter.
Hoyleton is located in Illinois, United States of America. 38°26′39″N 89°16′18″W / 38.444035°N 89.271645°W / 38.444035; -89.271645.
According to the United States Census Bureau, the village has a total area of 0.8 square miles (1.9 km²), all of it land.