Latham is a city in Butler County, Kansas, United States. As of the 2010 census, the city population was 139.
Latham is located at 37°32′7″N 96°38′30″W / 37.53528°N 96.64167°W / 37.53528; -96.64167 (37.535363, -96.641781). According to the United States Census Bureau, the city has a total area of 0.2 square miles (0.6 km²), all of it land.
As of the census of 2000, there were 164 people, 65 households, and 41 families residing in the city. The population density was 682.8 people per square mile (263.8/km²). There were 81 housing units at an average density of 337.2 per square mile (130.3/km²). The racial makeup of the city was 93.90% White, 0.61% Native American, and 5.49% from two or more races. Hispanic or Latino of any race were 0.61% of the population.