Marble Rock, IA
Population 199 · Iowa
About Marble Rock, IA
Marble Rock is a small community located in Iowa with a population of 199 residents according to the latest US Census Bureau American Community Survey data. The median household income is $65,938 per year, which is 12% below the national median of $75,149. The median age of 55.1 years is notably older the US median age of 38.9 years, suggesting a more established community with a higher proportion of long-term residents.
Housing Market Overview
The housing market in Marble Rock features a median home value of $59,300, which is 76% below the national median of $244,900. This makes Marble Rock one of the more affordable markets in the country, potentially attractive for first-time homebuyers. Median monthly rent is $592, 49% below the national average of $1,163/month. Of the 117 total housing units, 75% are owner-occupied (74 units) and 25% are renter-occupied (25 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in Marble Rock shows an unemployment rate of 5.2%, which is near the national rate of 3.7%. The poverty rate stands at 7.0%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in Marble Rock have an average one-way commute time of 31.8 minutes.
Education & Demographics
3.3% of Marble Rock residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The lower educational attainment rate may reflect the area's industry mix, with more employment in trades, manufacturing, or agricultural sectors. The community's demographic composition includes 0.0% White, 1.0% Hispanic or Latino, 0.0% Black or African American, and 0.0% Asian residents, with 0.0% of the population being foreign-born.
Cost of Living in Marble Rock, IA
Compared to national averages, Marble Rock has a median household income of $65,938 (12% below the national median of $75,149). Home values average $59,300, which is 76% below the national median. Monthly rent at $592 is 49% below the US average of $1,163. Within Iowa, Marble Rock's income is 3% below the state average of $67,947, and home values are 55% below the state median of $132,237.
Why Live in Marble Rock, IA?
Marble Rock offers affordable housing with a median home value of $59,300, below the US average of $244,900, and rent that’s lower than the national average at $592/month, and a low poverty rate of 7.0%, better than the national average.
Potential considerations include median household income ($65,938) that falls below the national average. However, Marble Rock’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Marble Rock has a population of 199 with a median age of 55.1 years. Compare Marble Rock with other cities to see how it stacks up, or explore all cities in Iowa.
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Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Marble Rock
What is the population of Marble Rock, IA?
The population of Marble Rock, IA is 199 according to the latest US Census Bureau American Community Survey estimates. This makes it a small community in Iowa.
What is the median household income in Marble Rock?
The median household income in Marble Rock, IA is $65,938 per year, which is 12% below the national median of $75,149.
What is the median home value in Marble Rock?
The median home value in Marble Rock, IA is $59,300, which is 76% below the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in Marble Rock?
The median monthly rent in Marble Rock, IA is $592, which is 49% below the national average of $1,163/month.
What is the unemployment rate in Marble Rock?
The unemployment rate in Marble Rock, IA is 5.2%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is Marble Rock, IA a good place to live?
Marble Rock offers a moderate cost of living, affordable housing, and growing employment opportunities. With a population of 199 and a median age of 55.1, the city appeals to established professionals and retirees.
How educated is Marble Rock, IA?
3.3% of residents in Marble Rock aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.
What is the cost of living in Marble Rock?
Key cost-of-living indicators for Marble Rock, IA: median home value is $59,300 (76% below national), median rent is $592/month, and median household income is $65,938. The home-value-to-income ratio is 0.9x, indicating relatively affordable housing relative to local incomes.
What is the poverty rate in Marble Rock?
The poverty rate in Marble Rock, IA is 7.0%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is Marble Rock, IA?
Marble Rock's population is 0.0% White, 1.0% Hispanic or Latino, 0.0% Black or African American, 0.0% Asian, and 0.0% two or more races. 0.0% of residents are foreign-born.