Mason City is a medium-sized city located in the state of Iowa. With a population of 26,924 people and seven associated neighborhoods, Mason City is the 17th largest community in Iowa. Mason City has a large stock of pre-World War II architecture, making it one of the older and more historic cities in the country.

Residents of the city have the good fortune of having one of the shortest daily commutes compared to the rest of the country. On average, they spend only 15.68 minutes getting to work every day.

The percentage of adults in Mason City who are college-educated is close to the national average for all communities of 21.84%: 20.74% of the adults in Mason City have a bachelor's degree or advanced degree.

The per capita income in Mason City in 2022 was $35,089, which is middle income relative to Iowa and the nation. This equates to an annual income of $140,356 for a family of four. However, Mason City contains both very wealthy and poor people as well.

Mason City is a somewhat ethnically-diverse city. The people who call Mason City home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Mason City residents report their race to be White, followed by Black or African-American. Important ancestries of people in Mason City include German, Norwegian, Irish, English, and Czech.

The most common language spoken in Mason City is English. Other important languages spoken here include Spanish and German/Yiddish.