Mason City, IA Demographics

A map of Mason City's Population by Race

Mason City, Iowa had a population of 27,338 in 2020. It was 84.7% White, 2.7% Black, 1.5% Asian, 6.7% Hispanic, 1.0% Native American/Other, and 3.5% Multiracial. This map presents the population of Mason City, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 1,028 places in Iowa, Mason City is the 17th most populous. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs).

Mason City's White Population

23,147 residents of Mason City identify as White, or 84.7%. This makes the White share of the population of Mason City roughly similar to the White share of the population of Iowa (82.7% White). Of the 1,028 places in Iowa, Mason City is ranked #904 in terms of White residents as a share of the population.

Mason City is less White than neighboring Portland (92.9% White), Burchinal (90.9% White), Plymouth (90.7% White), Rock Falls (96% White), and Manly (92.8% White).

Mason City's Black Population

730 residents of Mason City identify as Black, or 2.7%. This makes the Black share of the population of Mason City roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 1,028 places in Iowa, Mason City is ranked #73 in terms of Black residents as a share of the population.

Mason City is more Black than neighboring Portland (0% Black), Plymouth (1.3% Black), Rock Falls (0.7% Black), and Manly (0.7% Black). Mason City is less Black than neighboring Burchinal (3% Black).

Mason City's Asian Population

406 residents of Mason City identify as Asian, or 1.5%. This makes the Asian share of the population of Mason City roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 1,028 places in Iowa, Mason City is ranked #83 in terms of Asian residents as a share of the population.

Mason City is more Asian than neighboring Burchinal (0% Asian), Plymouth (0% Asian), Rock Falls (0% Asian), and Manly (0.2% Asian). Mason City is less Asian than neighboring Portland (3.6% Asian).

Mason City's Hispanic Population

1,820 residents of Mason City identify as Hispanic, or 6.7%. This makes the Hispanic share of the population of Mason City roughly similar to the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 1,028 places in Iowa, Mason City is ranked #143 in terms of Hispanic residents as a share of the population.

Mason City is more Hispanic than neighboring Portland (0% Hispanic), Burchinal (3% Hispanic), Plymouth (2.4% Hispanic), Rock Falls (2.7% Hispanic), and Manly (2.7% Hispanic).

Mason City's Native American/Other Population

270 residents of Mason City identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.0%. This makes the Native American/Other share of the population of Mason City roughly similar to the Native American/Other share of the population of Iowa (0.7% Native American/Other). Of the 1,028 places in Iowa, Mason City is ranked #134 in terms of Native American/Other residents as a share of the population.

Mason City is more Native American/Other than neighboring Portland (0% Native American/Other), Burchinal (0% Native American/Other), Plymouth (0.8% Native American/Other), Rock Falls (0% Native American/Other), and Manly (0.6% Native American/Other).

Mason City's Multiracial Population

965 residents of Mason City identify as Multiracial, or 3.5%. This makes the Multiracial share of the population of Mason City roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 1,028 places in Iowa, Mason City is ranked #275 in terms of Multiracial residents as a share of the population.

Mason City is more Multiracial than neighboring Burchinal (3% Multiracial), Rock Falls (0.7% Multiracial), and Manly (2.9% Multiracial). Mason City is less Multiracial than neighboring Portland (3.6% Multiracial), and Plymouth (4.8% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.