Utica is a city in Ness County, Kansas, United States. As of the 2010 census, the city population was 158. Utica was named by early pioneer C.W. Bell who was from Utica, New York.
Utica is located at 38°38′34″N 100°10′8″W / 38.64278°N 100.16889°W / 38.64278; -100.16889 (38.642899, -100.169024). 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 223 people, 94 households, and 53 families residing in the city. The population density was 932.4 people per square mile (358.8/km²). There were 104 housing units at an average density of 434.8 per square mile (167.3/km²). The racial makeup of the city was 99.10% White, and 0.90% from two or more races. Hispanic or Latino of any race were 0.45% of the population.