Elsah is located in southwestern Illinois in
Jersey County north of
St Louis along SR 100 on the banks of the
Mississippi River. The population estimate for July 1, 1998 was 795, a decrease of 56 since 1990.
Elsah was an important steamboat stop during the early stages of development of the area. It was the first town to be registered in the National Register of Historic Places.
For those seeking a post-high school education, the town offers Principia College.
