Coolidge is a city in Hamilton County, Kansas, United States. As of the 2010 census, the city population was 95.
The city of Coolidge was named after Thomas Jefferson Coolidge, the former president of the Atchison, Topeka and Santa Fe Railway.
Coolidge is located at 38°2′32″N 102°0′37″W / 38.04222°N 102.01028°W / 38.04222; -102.01028 (38.042318, -102.010210). According to the United States Census Bureau, the city has a total area of 0.5 square miles (1.2 km²), all of it land.