Norwich, KS has a population of 537 and is the 19,127th largest city in the United States. The population density is 1,337 per sq mi which is 3710% higher than the Kansas average and 1375% higher than the national average. The median age in Norwich is 30 which is approximately 18% lower than the Kansas average of 36. In Norwich, 70% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 82% of Norwich residents were born in Kansas, 17% were born out of state, 0% were born outside of the United States and 0% were foreign born.