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Johnston (IA) Streets, Geographical, Population & More

Population of Johnston, Iowa

StateIowa
Land Area (mi²)16.8 sq mi
Density (mi²)1,517.3/sq mi
2022 Growth Rate2.74% (679)
Growth Since 202015.15% (3345)
Rank in State20th
Rank in Country1827th

The population of Johnston, IA in 2022 is estimated to be 25,422. This is an increase of 2.74% (679 people) compared to the population in 2021.

Population of Johnston by Race

Population by Race
  • Total
  • Hispanic
  • Non-Hispanic
Race
Population
Percentage

Population of Johnston by Age

Johnston Population Pyramid 2022
Johnston Median Age
39.1
Total
36.8
Male
41
Female
Johnston Sex Ratio
47.92%
10,580
Male
52.08%
11,497
Female
Johnston Age Dependency Ratio
26.8
Old Age Dependency Ratio
48.1
Child Dependency Ratio
Johnston Adults
16,005
Adults
(3,382 of whom are seniors) in Johnston.

Population of Johnston by Year

Year
PopulationGrowthAnnual Growth Rate