Noblesville is a city in and the county seat of Hamilton County, Indiana, United States, just north of Indianapolis along the White River. The population was 51,969 at the 2010 census making it the state's 14th largest city/town, up from 19th in 2007. As of 2019 the estimated population was 64,668. The city is part of Delaware, Fall Creek, Noblesville, and Wayne townships.
Noblesville is home to the Ruoff Music Center, an outdoor music venue.
Noblesville's history dates to 1818 when the government purchased the land which is now Hamilton County from the Native Americans in this area. William Conner, the only settler living in the area at the time, and his wife Mekinges Conner, a Lenape woman, established the first trading post in central Indiana in 1802 and lived in the area's first log cabin. William Conner and Josiah Polk laid out what is now downtown Noblesville in 1823, which was designated as the Hamilton County seat in 1824 and incorporated in 1851. Conner's 1823 home is now one of a village of historic buildings that make up Conner Prairie Pioneer Settlement, a living history museum south of Noblesville in Fishers.
Noblesville was named either for James Noble, one of the first two US senators from Indiana, or, according to legend, for Lavina Noble of Indianapolis, to whom Josiah Polk was engaged.