Johnston is a medium-sized city located in the state of Iowa. With a population of 24,640 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 $103,430.00.

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.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 14.51% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. 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.

As is often the case in a small city, Johnston doesn't have a public transportation system that people use for their commute.

Do you like to read, write and learn? If you move to Johnston, you'll likely find that many of your neighbors like to as well. Johnston is one of the more educated communities in America, with a full 57.85% of its adults having a college degree or even advanced degree, compared to a national average across all communities of 21.84%.

The per capita income in Johnston in 2022 was $56,641, which is wealthy relative to Iowa and the nation. This equates to an annual income of $226,564 for a family of four.

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 Italian.

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