St. Marys, IA Demographics

A map of St. Marys's Population by Race

St. Marys, Iowa had a population of 108 in 2020. It was 96.3% White, 0.0% Black, 0.0% Asian, 2.8% Hispanic, 0.0% Native American/Other, and 0.9% Multiracial. This map presents the population of St. Marys, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 1,028 places in Iowa, St. Marys is the 850th 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).

St. Marys's White Population

104 residents of St. Marys identify as White, or 96.3%. This makes the White share of the population of St. Marys larger than the White share of the population of Iowa (82.7% White). Of the 1,028 places in Iowa, St. Marys is ranked #147 in terms of White residents as a share of the population.

St. Marys is more White than neighboring Martensdale (93.3% White), St. Charles (92.2% White), Bevington (89.5% White), New Virginia (93% White), and Spring Hill (92.6% White).

St. Marys's Black Population

0 residents of St. Marys identify as Black, or 0.0%. This makes the Black share of the population of St. Marys roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 1,028 places in Iowa, St. Marys is ranked #600 in terms of Black residents as a share of the population.

St. Marys is less Black than neighboring Martensdale (0.2% Black), St. Charles (0.6% Black), and New Virginia (0.2% Black).

St. Marys's Asian Population

0 residents of St. Marys identify as Asian, or 0.0%. This makes the Asian share of the population of St. Marys roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 1,028 places in Iowa, St. Marys is ranked #541 in terms of Asian residents as a share of the population.

St. Marys is less Asian than neighboring New Virginia (0.4% Asian).

St. Marys's Hispanic Population

3 residents of St. Marys identify as Hispanic, or 2.8%. This makes the Hispanic share of the population of St. Marys roughly similar to the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 1,028 places in Iowa, St. Marys is ranked #454 in terms of Hispanic residents as a share of the population.

St. Marys is more Hispanic than neighboring Martensdale (1.4% Hispanic), St. Charles (1.4% Hispanic), Bevington (1.8% Hispanic), and New Virginia (0.8% Hispanic). St. Marys is less Hispanic than neighboring Spring Hill (2.9% Hispanic).

St. Marys's Native American/Other Population

0 residents of St. Marys identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.0%. This makes the Native American/Other share of the population of St. Marys 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, St. Marys is ranked #636 in terms of Native American/Other residents as a share of the population.

St. Marys is less Native American/Other than neighboring St. Charles (0.8% Native American/Other), Bevington (3.5% Native American/Other), and New Virginia (0.6% Native American/Other).

St. Marys's Multiracial Population

1 residents of St. Marys identify as Multiracial, or 0.9%. This makes the Multiracial share of the population of St. Marys roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 1,028 places in Iowa, St. Marys is ranked #900 in terms of Multiracial residents as a share of the population.

St. Marys is less Multiracial than neighboring Martensdale (5% Multiracial), St. Charles (5% Multiracial), Bevington (5.3% Multiracial), New Virginia (5% Multiracial), and Spring Hill (4.4% Multiracial).

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