Parker is a city in Linn County, Kansas, United States.

[5] According to the United States Census Bureau, the city has a total area of 0.27 square miles (0.70 km2), all of it land.

[6] The 2020 United States census counted 241 people, 89 households, and 55 families in Parker.

There were 100 housing units at an average density of 355.9 per square mile (137.4/km2).

29.2% of households consisted of individuals and 11.2% had someone living alone who was 65 years of age or older.

There were 115 housing units at an average density of 425.9 per square mile (164.4/km2).

26.0% of all households were made up of individuals, and 10% had someone living alone who was 65 years of age or older.

24.0% of all households were made up of individuals, and 8.3% had someone living alone who was 65 years of age or older.

About 19.2% of families and 23.3% of the population were below the poverty line, including 33.6% of those under the age of eighteen and 21.1% of those 65 or over.

The community is served by Prairie View USD 362 public school district.

The Parker Panthers won the Kansas State High School boys class B Track & Field championship in 1959.