Ralls County is a county located in the northeastern portion of the U.S. state of Missouri. As of the 2020 census, the population was 10,355. Its county seat is New London. The county was organized November 16, 1820 and named for Daniel Ralls,... Wikipedia
Cities: New London, Center, Perry, and more
Population: 10,420 (2022)
Area: 484 mi²
Congressional district: 6th
Largest city: Hannibal
Seat: New London