Johnston, IA ZIP codes

4 ZIP/ZCTAs intersecting this Census place in Polk County.

ACS 2023 population

24,196

Median household income

$103,430

Median home value

$346,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Johnston (GEOID 1939765). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 75,707 (4 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Johnston, IA

Census place boundary and intersecting ZIP Code Tabulation Areas for Johnston, IA — Census place boundary for Johnston, IA. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Johnston

Population overlap

Share of each ZIP/ZCTA’s population located within Johnston, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

501090.0%
501110.0%
5013198.4%
USPS primary city
503220.1%

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Johnston

ZIP	City	County	Population	Income
50109	Granger	Polk County	3,371	$130,263
50111	Grimes	Polk County	16,254	$108,352
50131	Johnston	Polk County	24,388	$103,316
50322	Urbandale	Polk County	31,694	$89,323