Demographics in Marble Rock, IA
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Marble Rock?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
199
Male
100
50.3%
Female
99
49.7%
Median Age
55.1
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White95.5%
Two or More4.5%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
2.5%
High School or Higher
41.2%
Foreign Born
0.0%
Veterans
11.1%
Married
34.2%
Avg Household Size
2.0
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Marble Rock, IA has a population of 199 with a median age of 55.1. The racial makeup is 95.5% White, 0.0% Hispanic, 0.0% Black. About 2.5% of residents hold a bachelor's degree or higher. The foreign-born population is 0.0%.