Waldo County is a county located in the U.S. state of Maine. As of the most recent data available, the county has a population of approximately 36,280 people, with a population density of about 49.70 persons per square mile.
The county spans a total land area of 730.00 square miles (1,891.00 square kilometers). The administrative center and county seat is Belfast, which often serves as a hub for local governance and services. The largest city within the county by population is Belfast.
Geographically, Waldo County experiences varied elevations, with its highest point at Troy 472 ft and its lowest point at Islesboro 42 ft. The region operates in the UTC-5.