Shiloh is a village in St. Clair County, Illinois, United States. The 2010 census recorded a population of 12,651. Shiloh is located within the St. Louis metropolitan area History A site known as "Three Springs" for its geological characteristics hosted an 11-day revival camp meeting in April 1807, which was the first in St. Clair County and possibly the second in Illinois Country, which was then part of Indiana Territory. It was organized by the Rev. William McKendree, Presiding Elder of the Western Conference and 4th Bishop of the Methodist Episcopal Church. This assembly inspired construction of the log Shiloh Meeting House on the site shortly afterward, being the first Methodist church in the county and second in the Illinois Country. This meeting house came to be the longest-organized United Methodist church in the state of Illinois, bequeathing its name to the village and township which grew up around it. Three members of this church played significant roles in state government in the effort to prevent slaveholding from gaining a foothold in Illinois. Geography Shiloh is located at (38.5501, -89.9149). According to the 2010 census, Shiloh has a total area of , of which (or 99.18%) is land and (or 0.82%) is water. Shiloh is the site of Scott Air Force Base and is also the present eastern terminus of the Saint Louis area electric interurban Metrolink Red Line. Demographics As of the census of 2000, there were 7,643 people, 2,778 households, and 2,080 families residing in the village. The population density was . There were 2,928 housing units at an average density of . The racial makeup of the village was 82.14% White, 13.32% African American, 0.27% Native American, 1.79% Asian, 0.08% Pacific Islander, 0.75% from other races, and 1.65% from two or more races. Hispanic or Latino of any race were 2.62% of the population. There were 2,778 households, out of which 40.9% had children under the age of 18 living with them, 60.8% were married couples living together, 10.7% had a female householder with no husband present, and 25.1% were non-families. 20.2% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 3.05. In the village, the population age distribution was 27.7% under 18, 10.7% from 18 to 24, 34.6% from 25 to