Nortonville is a city in Jefferson County, Kansas, United States.

[6] In the 1900s, Nortonville was reported to be one of three sundown towns in the state, where African Americans were not allowed to reside.

[10] Nortonville is part of the Topeka, Kansas Metropolitan Statistical Area.

The 2020 United States census counted 601 people, 219 households, and 146 families in Nortonville.

There were 255 housing units at an average density of 591.6 per square mile (228.4/km2).

28.3% of households consisted of individuals and 14.6% had someone living alone who was 65 years of age or older.

There were 261 housing units at an average density of 593.2 per square mile (229.0/km2).

22.0% of all households were made up of individuals, and 13.3% had someone living alone who was 65 years of age or older.

There were 255 housing units at an average density of 593.8 per square mile (229.3/km2).

30.0% of all households were made up of individuals, and 21.5% had someone living alone who was 65 years of age or older.

The community is served by Jefferson County North USD 339 public school district.

Jefferson County North Elementary and Middle School is located in Nortonville.