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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

Johnston, IA
Real Estate & Demographic Data






Johnston profile


Living in Johnston



Johnston is a medium-sized city located in the state of Iowa. With a population of 24,390 people and six associated neighborhoods, Johnston is the 21st largest community in Iowa. There's nothing like the smell of a brand new house, and in Johnston, you'll find that a large proportion of houses were recently built. New growth in residential real estate is an indication that people are choosing to move to Johnston, and putting down their money on brand new construction. Johnston’s real estate is, on average, some of the newest in the nation. Johnston does seem to be experiencing an influx of affluent people, because the median household income is $98,324.00.

Johnston real estate is some of the most expensive in Iowa, although Johnston house values don't compare to the most expensive real estate in the U.S.

Also of interest is that Johnston has more people living here who work in computers and math than 95% of the places in the US.

Telecommuters are a relatively large percentage of the workforce: 12.37% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

If knowledge is power, Johnston is a pretty powerful place. 54.39% of the adults in Johnston have earned a 4-year college degree, masters degree, MD, law degree, or even PhD. Compare that to the national average of 21.84% for all cities and towns.

The per capita income in Johnston in 2018 was $53,197, which is wealthy relative to Iowa and the nation. This equates to an annual income of $212,788 for a family of four. However, Johnston contains both very wealthy and poor people as well.

Johnston is a very ethnically-diverse city. The people who call Johnston home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Johnston residents report their race to be White, followed by Black or African-American. Important ancestries of people in Johnston include German, Irish, English, Norwegian, and Liberian.

The most common language spoken in Johnston is English. Other important languages spoken here include Slavic languages and Serbo-Croatian.