Marble Rock, IA Demographics

A map of Marble Rock's Population by Race

Marble Rock, Iowa had a population of 271 in 2020. It was 98.9% White, 0.0% Black, 0.0% Asian, 0.4% Hispanic, 0.0% Native American/Other, and 0.7% Multiracial. This map presents the population of Marble Rock, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 1,028 places in Iowa, Marble Rock is the 599th 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).

Marble Rock's White Population

268 residents of Marble Rock identify as White, or 98.9%. This makes the White share of the population of Marble Rock larger than the White share of the population of Iowa (82.7% White). Of the 1,028 places in Iowa, Marble Rock is ranked #30 in terms of White residents as a share of the population.

Marble Rock is more White than neighboring Roseville (79.5% White), Greene (97.9% White), Rockford (93.7% White), Rudd (90.2% White), and Dougherty (90.3% White).

Marble Rock's Black Population

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

Marble Rock is less Black than neighboring Rockford (1.1% Black), Rudd (0.3% Black), and Dougherty (3.2% Black).

Marble Rock's Asian Population

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

Marble Rock is less Asian than neighboring Greene (0.1% Asian), Rockford (0.3% Asian), and Rudd (1.1% Asian).

Marble Rock's Hispanic Population

1 residents of Marble Rock identify as Hispanic, or 0.4%. This makes the Hispanic share of the population of Marble Rock slightly less than the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 1,028 places in Iowa, Marble Rock is ranked #917 in terms of Hispanic residents as a share of the population.

Marble Rock is less Hispanic than neighboring Roseville (7.7% Hispanic), Greene (0.6% Hispanic), Rockford (1.2% Hispanic), Rudd (4.5% Hispanic), and Dougherty (6.5% Hispanic).

Marble Rock's Native American/Other Population

0 residents of Marble Rock 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 Marble Rock 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, Marble Rock is ranked #636 in terms of Native American/Other residents as a share of the population.

Marble Rock is less Native American/Other than neighboring Roseville (2.6% Native American/Other), Greene (0.5% Native American/Other), Rockford (0.4% Native American/Other), and Rudd (0.6% Native American/Other).

Marble Rock's Multiracial Population

2 residents of Marble Rock identify as Multiracial, or 0.7%. This makes the Multiracial share of the population of Marble Rock roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 1,028 places in Iowa, Marble Rock is ranked #922 in terms of Multiracial residents as a share of the population.

Marble Rock is more Multiracial than neighboring Dougherty (0% Multiracial). Marble Rock is less Multiracial than neighboring Roseville (10.3% Multiracial), Greene (0.9% Multiracial), Rockford (3.4% Multiracial), and Rudd (3.4% Multiracial).

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