Danville is a city in Harper County, Kansas, United States.

[4][5] According to the United States Census Bureau, the city has a total area of 0.08 square miles (0.21 km2), all of it land.

[6] The 2020 United States census counted 29 people, 13 households, and 11 families in Danville.

15.4% of households consisted of individuals and 7.7% had someone living alone who was 65 years of age or older.

[8] The 2016-2020 5-year American Community Survey estimates show that the median family income was $96,250 (+/- $87,780).

42.1% of all households were made up of individuals, and 10.5% had someone living alone who was 65 years of age or older.

23.1% of all households were made up of individuals, and 3.8% had someone living alone who was 65 years of age or older.

There were 13.3% of families and 12.2% of the population living below the poverty line, including 11.8% of under eighteens and none of those over 64.

The community is served by Chaparral USD 361 public school district.