Waldoboro, ME has a population of 1,124 and is the 14,433rd largest city in the United States. The population density is 230 per sq mi which is 514% higher than the Maine average and 154% higher than the national average. The median age in Waldoboro is 52 which is approximately 18% higher than the Maine average of 44. In Waldoboro, 62% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 57% of Waldoboro residents were born in Maine, 43% were born out of state, 0% were born outside of the United States and 0% were foreign born.