Mason City, IA Demographics

The total population of Mason City is estimated to be 27,271 with 13,526 males (49.60%) and 13,745 females (50.40%). There are 219 more females than males in Mason City.
The median household income in Mason City was $60,541 in 2021, which marked an an increase of 24(0.04%) from $60,517 in 2020. This income is 81.15% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Mason City sees its highest median household income among householders in the age group of 25 to 44 years old, at $68,093. Overall, the median household income for the city of Mason City stands at $60,541.
In Mason City, the median income for all workers aged 15 years and older, regardless of work hours, was $45,171 for males and $28,404 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $60,562 for males and $45,157 for females.
In Mason City, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, White households have the highest median household income at $61,944, while American Indian and Alaska Native households represent the opposite end with the lowest median household income of $30,304.
In 2022, the population of Mason City was 26,924, a 0.91% decrease year-by-year from 2021. Previously, in 2021, Mason City's population was 27,171, a decline of 0.35% compared to a population of 27,267 in 2020.
The median age in Mason City, IA is 42.5, as per 2021 ACS 5-Year Estimates. Of the total population, 17.49% were under the age of 15, 17.82% aged 15 to 29, 43.86% aged 30 to 64, 17.55% aged 65 to 84, and 3.27% were 85 years of age and older.
Racial distribution of Mason City population: 90.77% are White, 3.05% are Black or African American, 0.43% are American Indian and Alaska Native, 0.78% are Asian, 0.30% are Native Hawaiian and other Pacific Islander, 0.46% are some other race and 4.20% are multiracial.