Niotaze is a city in Chautauqua County, Kansas, United States.

At that time it was an important shipping point for grain, livestock and produce at the junction of two railroads.

[5] According to the United States Census Bureau, the city has a total area of 0.37 square miles (0.96 km2), all land.

[6] The 2020 United States census counted 90 people, 30 households, and 20 families in Niotaze.

16.7% of households consisted of individuals and 3.3% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 85.4% White, 7.3% Native American, and 7.3% from two or more races.

The racial makeup of the city was 90.16% White, 5.74% Native American, and 4.10% from two or more races.

There were 21.6% of families and 29.0% of the population living below the poverty line, including 45.8% of under eighteens and 35.3% of those over 64.

The community is served by Caney Valley USD 436 public school district.

Previously two railroads, Santa Fe and Missouri Pacific, went through the community, but both lines have been abandoned.