Denton is a city in Doniphan County, Kansas, United States. As of the 2010 census, the city population was 148. It is part of the St. Joseph, MO–KS Metropolitan Statistical Area.
Denton is located at 39°43′54″N 95°16′12″W / 39.73167°N 95.27°W / 39.73167; -95.27 (39.731568, -95.270025). According to the United States Census Bureau, the city has a total area of 0.1 square miles (0.4 km²), all of it land.
As of the census of 2000, there were 186 people, 71 households, and 47 families residing in the city. The population density was 1,286.4 people per square mile (513.0/km²). There were 74 housing units at an average density of 511.8 per square mile (204.1/km²). The racial makeup of the city was 99.46% White, and 0.54% from two or more races. Hispanic or Latino of any race were 0.54% of the population.