Penza is the historic place name for a post village[1] centered around the intersection of Warner Road and Everett-East Road, on the boundary line between Vienna Township and Liberty Township to the south. Penza was in Liberty Township.
The site of Mahoning No. 9 coal mine, the town had a one-room schoolhouse and post office. The town opened in 1884. The post office was closed officially on March 1, 1903.
In 1906 the population of Penza was 200.[2]