Hymera is a town in and the principal center of Jackson Township, Sullivan County, in the U.S. state of Indiana. The population was 801 at the 2010 census. Geography According to the 2010 census, Hymera has a total area of , all land. It is part of the Terre Haute Metropolitan Statistical Area. The primary coordinate point for Hymera is located at latitude 39.1859 and longitude -87.2989 in Sullivan County. Sullivan County is in the Eastern time zone (GMT -5). The elevation is 525 feet. Demographics 2010 census As of the census of 2010, there were 801 people, 306 households, and 215 families residing in the town. The population density was . There were 364 housing units at an average density of . The racial makeup of the town was 99.0% White, 0.2% Native American, and 0.7% from two or more races. Hispanic or Latino of any race were 0.1% of the population. There were 306 households, of which 36.9% had children under the age of 18 living with them, 48.4% were married couples living together, 15.0% had a female householder with no husband present, 6.9% had a male householder with no wife present, and 29.7% were non-families. 26.1% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 3.14. The median age in the town was 37.5 years. 28% of residents were under the age of 18; 6.1% were between the ages of 18 and 24; 25.8% were from 25 to 44; 27.3% were from 45 to 64; and 12.7% were 65 years of age or older. The gender makeup of the town was 49.7% male and 50.3% female. 2000 census As of the census of 2000, there were 833 people, 331 households, and 228 families residing in the town. The population density was . There were 389 housing units at an average density of . The racial makeup of the town was 99.40% White, 0.24% Native American, and 0.36% from two or more races. There were 331 households, out of which 29.3% had children under the age of 18 living with them, 55.6% were married couples living together, 10.3% had a female householder with no husband present, and 31.1% were non-families. 24.8% of all households were made up of individuals, and 16.0% had someone