Dillsboro is a town in Clay Township, Dearborn County, Indiana, United States. As of 2020, the population is 1,360. History Dillsboro was laid out in 1830. It was named for James Dill, a general in the War of 1812 and local resident. The Dillsboro post office, established in 1837, was spelled Dillsborough until 1893. Geography Dillsboro is located at . According to the 2010 census, Dillsboro has a total area of , all land. Climate The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Dillsboro has a humid subtropical climate, abbreviated "Cfa" on climate maps. Demographics 2010 census As of the census of 2010, there were 1,327 people, 520 households, and 320 families living in the town. The population density was . There were 580 housing units at an average density of . The racial makeup of the town was 98.6% White, 0.2% African American, 0.2% Native American, 0.5% Pacific Islander, and 0.7% from two or more races. Hispanic or Latino of any race were 0.2% of the population. There were 520 households, of which 31.5% had children under the age of 18 living with them, 40.8% were married couples living together, 14.8% had a female householder with no husband present, 6.0% had a male householder with no wife present, and 38.5% were non-families. 34.2% of all households were made up of individuals, and 18.6% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.95. The median age in the town was 42.2 years. 23.1% of residents were under the age of 18; 6.9% were between the ages of 18 and 24; 24.6% were from 25 to 44; 21.2% were from 45 to 64; and 24.2% were 65 years of age or older. The gender makeup of the town was 44.6% male and 55.4% female. 2000 census As of the census of 2000, there were 1,436 people, 550 households, and 352 families living in the town. The population density was . There were 584 housing units at an average density of . The racial makeup of the town was 98.19% White, 0.07% African American, 0.21% Native American, 0.14% Asian, 0.14% Pacific Islander, 0.42% from other races, and 0.84% from two or more races. Hispanic or Latino of any race were