Johnston, IA
Population 24,196 · Iowa
About Johnston, IA
Johnston is a mid-sized city in Iowa with a population of 24,196 residents. The median household income is $103,430 per year, which is above the national average. The median age in Johnston is 38.4 years.
Housing in Johnston has a median home value of $346,200 and median monthly rent of $1,288. Of the 9,868 total housing units, the majority are owner-occupied, with 6,905 owner-occupied and 2,647 renter-occupied units.
The unemployment rate in Johnston is 1.8% and the poverty rate is 7.6%. 57.9% of residents hold a bachelor's degree or higher. The average commute time is 19.3 minutes.
How Johnston Ranks in Iowa
Cost of Living in Johnston, IA
Compared to national averages, Johnston has a median household income of $103,430 (38% above the national median of $75,149). Home values average $346,200, which is 41% above the national median. Monthly rent at $1,288 is 11% above the US average of $1,163. Within Iowa, Johnston's income is 52% above the state average of $67,947, and home values are 162% above the state median of $132,237.
Why Live in Johnston, IA?
Johnston offers a strong local economy with a median household income of $103,430, well above the national average, and a strong job market with an unemployment rate of just 1.8%, and a well-educated community where 57.9% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 7.6%, better than the national average, and short commute times averaging just 19.3 minutes.
Johnston has a population of 24,196 with a median age of 38.4 years. Compare Johnston with other cities to see how it stacks up, or explore all cities in Iowa.
Similar Cities Near Johnston
Cities in Iowa with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Clinton | 24,425 | $57,493 | $115,400 | Compare |
| Burlington | 23,800 | $55,274 | $115,800 | Compare |
| Fort Dodge | 24,788 | $61,769 | $128,900 | Compare |
| Muscatine | 23,567 | $59,332 | $146,900 | Compare |
| Ottumwa | 25,352 | $56,994 | $92,400 | Compare |
| Coralville | 22,846 | $66,508 | $286,000 | Compare |
| Waukee | 26,974 | $106,728 | $328,200 | Compare |
| Mason City | 27,135 | $62,369 | $130,000 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Iowa
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Johnston
What is the population of Johnston, IA?
The population of Johnston, IA is 24,196 according to the latest Census data.
What is the median household income in Johnston?
The median household income in Johnston, IA is $103,430 per year.
What is the median home value in Johnston?
The median home value in Johnston, IA is $346,200.
What is the average rent in Johnston?
The median monthly rent in Johnston, IA is $1,288.
What is the unemployment rate in Johnston?
The unemployment rate in Johnston, IA is 1.8%.