East Lynne is a city in eastern Cass County, Missouri The population was 303 at the 2010 census.

It is part of the Kansas City metropolitan area within the United States.

Camp Branch flows past the north side of the community.

[8] According to the United States Census Bureau, the city has a total area of 0.33 square miles (0.85 km2), all land.

24.3% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 97.67% White, 0.67% Native American, and 1.67% from two or more races.

About 2.7% of families and 6.1% of the population were below the poverty line, including 5.1% of those under the age of eighteen and 8.3% of those 65 or over.