City Stats
ZIP Code

ZIP Code 50131

Johnston, Polk County, Iowa IA

Population

24,583

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Density

400.7/sq mi

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Timezone

America/Chicago

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Safety Score

50

50

Average

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Overview

ZIP code 50131 is located in Johnston, Polk County, Iowa. The area has a population of approximately 24,583 residents with a population density of 400.7 per square mile. It is in the America/Chicago timezone.