Eldon is a city in Miller County, Missouri, United States. It is thirty miles southwest from Jefferson City. The population was 4,895 at the 2000 census.
Eldon is located at 38°20′53″N 92°34′54″W / 38.347982°N 92.581804°W / 38.347982; -92.581804. According to the United States Census Bureau, the city has a total area of 3.4 square miles (8.8 km²), all of it land.
The town was the home of several manufacturing companies including Keiper Automobile Seat products and Fasco Electric Motors. However, during the economic recession of 2009, Fasco closed in February 2009, and many other companies followed suit.