Cawker City, KS has a population of 529 and is the 19,203rd largest city in the United States. The population density is 526 per sq mi which is 1399% higher than the Kansas average and 480% higher than the national average. The median age in Cawker City is 54 which is approximately 49% higher than the Kansas average of 36. In Cawker City, 68% of the population over 15 years of age are married, 95% speak English and 2% speak Spanish. 78% of Cawker City residents were born in Kansas, 20% were born out of state, 0% were born outside of the United States and 2% were foreign born.