Delia is a city in Jackson County, Kansas, United States.

[5] The first post office in Delia was established in January 1906 and closed in November 2017.

[6][7] According to the United States Census Bureau, the city has a total area of 0.11 square miles (0.28 km2), all land.

[8] Delia is part of the Topeka, Kansas Metropolitan Statistical Area.

The 2020 United States census counted 151 people, 59 households, and 44 families in Delia.

18.6% of households consisted of individuals and 10.2% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 85.8% White, 10.7% Native American, and 3.6% from two or more races.

15.4% of all households were made up of individuals, and 7.7% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 86.03% White, 12.85% Native American, and 1.12% from two or more races.

The community is served by Kaw Valley USD 321 public school district.