Kaka (O'odham: Gagka) is a census-designated place (CDP) in Maricopa County, Arizona, United States, located in the Tohono O'odham Nation. The population was 141 at the 2010 census.
It has frequently been noted on lists of unusual place names.
As of the census of 2010, there were 141 people residing in the CDP. The population density was 545.0 people per square mile. The racial makeup of the CDP was 99.29% Native American and 0.71% from some other race. 6.38% of the population were Hispanic or Latino of any race.