In 1913, the population of Sault Ste. Marie was 13,000, but soon increased to 18,000. The city's Chamber of Commerce began expanding its activities beyond manufacturing to include trade and power. In 1913, the Log Cabin was built on Brock Street near the ferry docks, which was named for the city's founder. It served as the chamber's headquarters for the next decade. Today, the city is home to a number of businesses and organizations.
The City of Sainte-Marie is located in the department of Martinique. The area code is 97228 and the zip code is 97230. The population of Sainte-Marie is approximately 3,000, which is below the national average of 560. Its population is growing at a rate of 11.7% since 2020. The average commute time is 15 minutes, compared to the national average of 27.4 minutes. The median home price is $171,400, with a 7.1% appreciation over the last ten years.
The population of Saint Marie City is comprised of a mix of ethnic groups. The population is comprised of both residents and visitors. A large portion of the population is under the age of eighteen. The rest is comprised of people between the ages of eighteen and twenty-four. Another 13.2% of the population consists of senior citizens. The city has a median age of 33 years. The gender ratio is 48.3% males and 51.2% females.