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All Johnston population data above are from the US Census Bureau.
The population data for Johnston are from the Census' American Community Survey 2017 5-year estimates and the Census' 2018 Population Estimates. The demographic data for Burr Oak, Coralville, Fairfax, and North Liberty 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 22,040 people, Johnston is the 24th most populated city in the state of Iowa out of 1,004 cities. But watch out, Johnston, because Coralville with 21,664 people and North Liberty with 19,239 people are right behind you.
The largest Johnston racial/ethnic groups are White (90.6%) followed by Asian (4.4%) and Black (2.4%).
In 2017, the median household income of Johnston residents was $94,539. Johnston households made slightly more than Burr Oak households ($92,589) and Fairfax households ($93,103) . However, 4.3% of Johnston residents live in poverty.
The median age for Johnston residents is 40.7 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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