Mud Bay, AK has a population of 197 and is the 24,495th largest city in the United States. The population density is 16 per sq mi which is 1379% higher than the Alaska average and 82% lower than the national average. The median age in Mud Bay is 58 which is approximately 71% higher than the Alaska average of 34. In Mud Bay, 79% of the population over 15 years of age are married, 83% speak English and 13% speak Spanish. 27% of Mud Bay residents were born in Alaska, 73% were born out of state, 0% were born outside of the United States and 0% were foreign born.