Alton is a city in Osborne County, Kansas, United States.

[3] Alton was founded in 1870 as Bull City, and was named in honor of Hiram C.

[5][6] According to the United States Census Bureau, the city has a total area of 0.31 square miles (0.80 km2), all land.

[7] Alton has a humid continental (Dfa) climate typical for the central Great Plains.

Winter weather varies greatly from warm or even hot weather due to chinook winds to extreme cold when a North American High with very cold air moves southwards from Canada.

Only four states — California, Arizona, New Mexico and Nevada — have seen higher record temperatures.

The lowest temperature ever recorded in Kansas was measured in Lebanon, which sits in the adjacent Smith County, only about 35 miles away.

[10] The 2020 United States census counted 100 people, 35 households, and 21 families in Alton.

37.1% of households consisted of individuals and 11.4% had someone living alone who was 65 years of age or older.

40.4% of all households were made up of individuals, and 21.3% had someone living alone who was 65 years of age or older.

37.9% of all households were made up of individuals, and 15.5% had someone living alone who was 65 years of age or older.

There were 7.4% of families and 17.6% of the population living below the poverty line, including 9.1% of under eighteens and 8.0% of those over 64.