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World Measure
The population almanac240 countries · 31,365 cities · UN WPP 2024
City profile · United States · North America

Johnston

Iowa · United States
City population
20,871
#2,274
in United States
#23
in Iowa
#24,490
worldwide
WashingtonJohnston
41.673, -93.698 · 1,444 km from Washington
City population
20,871
Within the city boundary, not a metro area
Rank in United States
#2,274
of 3,112 cities of 15,000+
World rank
#24,490
of 31,365 cities listed
Share of United States
0.0%
of the national population

About Johnston

Johnston is a city in Iowa, United States with a population of 20,871. It is the 2,274th largest of the 3,112 cities of 15,000 or more listed in United States, and the 24,490th largest worldwide. It lies 1,444 km from Washington.

Position in United States
#2,274of 3,112
LargestSmallest
Position in Iowa
#23of 30
LargestSmallest

Key Facts

Country
United States
Region
Iowa
Rank in region
#23of 30
Distance to capital
1,444 km
to Washington
Elevation
253 m
Time zone
America/Chicago
Coordinates
41.673, -93.698
Record updated
2017-05-23
Entry edited, not measured

City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured.

Nearby Cities

All 3,112 in United States

Closest listed cities by great-circle distance from the city centre.

10KMAnkeny57K people11KMWest Des Moines64K people11KMDes Moines214K people17KMWaukee19K people20KMAltoona17K people

Explore

United StatesAll 3,112 citiesIowa30 cities in the regionCountry profileUnited States population & indicators