Speed, KS has a population of 47 and is the 28,229th largest city in the United States. The population density is 320 per sq mi which is 813% higher than the Kansas average and 253% higher than the national average. The median age in Speed is 33 which is approximately 9% lower than the Kansas average of 36. In Speed, 50% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 85% of Speed residents were born in Kansas, 15% were born out of state, 0% were born outside of the United States and 0% were foreign born.