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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 2017 5-year estimates and the Census' 2018 Population Estimates. The demographic data for Afton, Blakesburg, Bode, Chapin, Irwin, and Lytton are the most current, comparable demographics available from the US Census Bureau, are from the American Community Survey 2017 5-year estimates, and were downloaded on 6 December 2018. Check out our FAQ section for more details.
With 291 people, Marble Rock is the 522nd most populated city in the state of Iowa out of 1,004 cities. But watch out, Marble Rock, because Blakesburg with 289 people, Bode with 289 people, and Lytton with 290 people are right behind you.
The largest Marble Rock racial/ethnic groups are White (96.4%) followed by Hispanic (2.3%) and Two or More (1.0%).
In 2017, the median household income of Marble Rock residents was $46,875. Marble Rock households made slightly more than Afton households ($46,818), Chapin households ($46,786), and Irwin households ($46,818) . However, 5.3% of Marble Rock residents live in poverty.
The median age for Marble Rock residents is 50.3 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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