Headquarted: Springfield, Illinois
Chartered: 1968, as Farmer's State Bank of Meridosia
Past Names: Farmer's State Bank of Meridosia, Bank of Charleston, Farmer's & Merchants State Bank of Virden, Mt. Zion State Bank, Mt. Zion Bank & Trust, Farmer's State Bank of Illiopolis, Farmer's State Bank & Trust, Farmer's State Bank of Fulton County, First Springfield Bank & Trust
Website: http://www.psbank.net
 | A sign for the Prairie State Bank branch in Springfield, IL. (July, 2006) |
 | A sign for the Prairie State Bank branch in Girard, IL. (July, 2009) |
 | A sign for the Prairie State Bank branch in Virden, IL. (July, 2009) |
 | A sign for the Prairie State Bank branch in Mt. Zion, IL. (September, 2011) |
 | A sign for the Prairie State Bank branch in Oakland, IL. (September, 2011) |
 | A sign for the Prairie State Bank branch in Decatur, IL. (May, 2012) |
 | A Prairie State Bank branch in Meredosia, IL. (September, 2013) |
 | A Prairie State Bank branch in Jacksonville, IL. (March, 2019) |
 | A Prairie State Bank branch in Springfield, IL. (March, 2019) |
 | A Prairie State Bank branch in Decatur, IL. (December, 2024) |
 | A Prairie State Bank branch in Charleston, IL. (December, 2024) |