The median age was 38 years. For every 100 females, there were 90.2 males. For every 100 females age 18 and over, there were 87.3 males. The median income for a household in the city was $35,642, and the median income for a family was $40,337. Males had a median income of $31,042 versus $20,343 for females. The per capita income for the city was $15,711. About 6.2% of families and 9.9% of the population were below the poverty line, including 11.1% of those under age 18 and 13.5% of those age 65 or over. Until July 1, 2013, Abingdon's school district included Hedding Grade School, Abingdon Middle School, and Abingdon High School. In November 2012 voters approved a school consolidation with Avon. Beginning July 1, 2013, the district became known as Abingdon-Avon CUSD #276. Abingdon is home to Hedding Grade School, which is a PK - 5 attendance center, and Abingdon-Avon High School. Avon also houses a PK - 5 elementary school and Abingdon-Avon Middle School, which serves students in grades 6 - 8. Abingdon-Avon CUSD #276 serves nearly 1,000 students. The high school enrollment is 289 students. The students selected "Tornadoes" as the mascot and black, green, and yellow as the school colors. Hedding College (1855–1930) was named after Methodist Bishop Elizah Hedding. The school merged with Illinois Wesleyan University in 1930.