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All Marble Rock population data above are from the US Census Bureau.
The population data for Marble Rock are from the Census' American Community Survey 2018 5-year estimates and the Census' 2019 Population Estimates. The demographic data for Bagley, Blakesburg, Dakota City, and Stuart are the most current, comparable demographics available from the US Census Bureau, are from the American Community Survey 2018 5-year estimates, and were downloaded on 19 December 2019. Check out our FAQ section for more details.
With 287 people, Marble Rock is the 514th most populated city in the state of Iowa out of 1,003 cities. But watch out, Marble Rock, because Bagley with 286 people and Blakesburg with 285 people are right behind you.
The largest Marble Rock racial/ethnic groups are White (93.4%) followed by Hispanic (3.1%) and Two or More (2.4%).
In 2018, the median household income of Marble Rock residents was $47,857. Marble Rock households made slightly more than Dakota City households ($47,813) and Stuart households ($47,847) . However, 4.5% of Marble Rock residents live in poverty.
The median age for Marble Rock residents is 52.0 years young.
86% of people CANNOT find the data they're looking for on the US Census Bureau website. Source: Nielsen Norman Group
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