Elmdale is a city in Chase County, Kansas, United States. As of the 2020 census, the population of the city was 40. It is located along U.S. Route 50 highway.

Chase County is a county located in the U.S. state of Kansas. Its county seat and most populous city is Cottonwood Falls. As of the 2020 census, the county population was 2,572. The county was named for Salmon Chase, a U.S. Senator from Ohio that was a Kansas statehood advocate.