Pennville is a town in Penn Township, Jay County, Indiana, United States. The population was 701 at the 2010 census. Geography Pennville is located at (40.493323, -85.147414), along the Salamonie River. According to the 2010 census, Pennville has a total area of , all land. Demographics 2010 census As of the census of 2010, there were 701 people, 292 households, and 180 families residing in the town. The population density was . There were 342 housing units at an average density of . The racial makeup of the town was 97.1% White, 0.4% Asian, 1.9% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 3.6% of the population. There were 292 households, of which 33.6% had children under the age of 18 living with them, 41.4% were married couples living together, 14.7% had a female householder with no husband present, 5.5% had a male householder with no wife present, and 38.4% were non-families. 29.8% of all households were made up of individuals, and 13.4% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.97. The median age in the town was 39.6 years. 25.5% of residents were under the age of 18; 7.9% were between the ages of 18 and 24; 22.7% were from 25 to 44; 25.1% were from 45 to 64; and 18.7% were 65 years of age or older. The gender makeup of the town was 47.4% male and 52.6% female. 2000 census As of the census of 2000, there were 706 people, 284 households, and 191 families residing in the town. The population density was . There were 316 housing units at an average density of . The racial makeup of the town was 99.58% White, 0.14% from other races, and 0.28% from two or more races. Hispanic or Latino of any race were 1.27% of the population. There were 284 households, out of which 32.7% had children under the age of 18 living with them, 51.1% were married couples living together, 10.6% had a female householder with no husband present, and 32.7% were non-families. 26.4% of all households were made up of individuals, and 12.3% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 3.01. In the