East Lynne is a small city that is located in Cass County in the state of Missouri. There are 303 residents inside of this small residential neighborhood and the city spans a total of .3 square miles of physical space. Of the 107 households in the city the average median income is $36,000. The city was platted back in 1871. Today it enjoys part of S. Old Trail Road as one of its boundaries as well as route K as another boundary.