Welcome to North Dewey, a charming town nestled in South Dakota, founded in 1875. With a population of around 3,228, North Dewey is known for its rich history dating back to the pioneer days. Notable figures like Mary Fields, the first African American woman to work for the U.S. Postal Service, have left their mark on this quaint town. North Dewey also has a sister city relationship with Saint-Michel-des-Saints in Quebec, Canada, adding an international flair to its small-town charm.