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Polk County, IA Demographics & ZIP Codes

Polk County, Iowa demographics and median household income by ZIP code — 33 ZIP codes — population 493,070 — avg. income $90,285 — avg. home value $258,377. Compare income, housing, and ZIP-level data on US5.

ZIP codes
33
Population
493,070
Median household income (avg.)
$90,285
120% of U.S. median
Average home value
$258,377
74% of U.S. median
Average rent
$932
80% of U.S. median
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Polk County demographics

Polk County, Iowa covers 33 ZIP codes, with a combined ZIP-area population of about 493,070.

Median household income in Polk County

The average median household income across ZIP codes in Polk County, Iowa is about $90,285 — about 22% above the IA ZIP average ($74,194), and about 20% above the U.S. median ($75,149).

Among ZIPs with income data, 50226 (Polk City) is near the top at about $161,627, while 50314 (Des Moines) is near the bottom at about $38,511.

Housing in Polk County

For housing in Polk County, Iowa, the average median home value is about $258,377 and the average median rent is about $932.

The most populous ZIP is 50023 (Ankeny) with about 45,286 residents. Use the table below to compare ZIP codes across the county.

ZIP codes in Polk County

Sort by population, income, or home value. Click a column header to toggle ascending / descending.

CityCountyState
50023AnkenyPolk CountyIA45,286$113,914$327,200
50317Des MoinesPolk CountyIA36,721$61,569$165,200
50315Des MoinesPolk CountyIA35,349$62,036$164,000
50265West Des MoinesPolk CountyIA33,061$84,588$267,600
50322UrbandalePolk CountyIA31,694$89,323$263,900
50310Des MoinesPolk CountyIA31,283$74,473$213,800
50021AnkenyPolk CountyIA29,718$98,847$295,000
50131JohnstonPolk CountyIA24,388$103,316$347,100
50320Des MoinesPolk CountyIA23,903$83,710$207,700
50009AltoonaPolk CountyIA21,992$90,393$261,800
50325ClivePolk CountyIA18,776$131,082$379,000
50313Des MoinesPolk CountyIA18,280$64,077$161,800
50111GrimesPolk CountyIA16,254$108,352$285,700
50316Des MoinesPolk CountyIA16,188$53,090$137,300
50311Des MoinesPolk CountyIA15,889$63,233$228,000
50312Des MoinesPolk CountyIA15,492$82,720$274,400
50327Pleasant HillPolk CountyIA12,875$90,759$303,000
50314Des MoinesPolk CountyIA10,203$38,511$146,700
50035BondurantPolk CountyIA9,668$126,915$297,100
50309Des MoinesPolk CountyIA9,199$57,974$286,900
50321Des MoinesPolk CountyIA7,787$77,636$294,100
50226Polk CityPolk CountyIA7,290$161,627$390,600
50324Windsor HeightsPolk CountyIA5,171$89,083$251,800
50169MitchellvillePolk CountyIA3,532$81,625$211,100
50109GrangerPolk CountyIA3,371$130,263$337,400
50237RunnellsPolk CountyIA3,275$92,667$326,300
50161MaxwellPolk CountyIA2,081$93,281$204,600
50244SlaterPolk CountyIA1,866$101,544$235,600
50073ElkhartPolk CountyIA1,018$94,712$275,700
50032—Polk CountyIA622——
50007AllemanPolk CountyIA490$130,000$294,300
50243SheldahlPolk CountyIA348$67,500$175,000
50319Des MoinesPolk CountyIA———

Frequently asked questions

What are the demographics of Polk County?

Polk County, Iowa has a combined ZIP-area population of about 493,070 across 33 ZIP codes. Browse the ZIP table for population, income, and housing by code.

What is the median household income in Polk County?

The average median household income across ZIP codes in Polk County, Iowa is about $90,285, about 22% above the state ZIP average ($74,194), and about 20% above the U.S. median ($75,149). Average median home value is about $258,377. Among ZIPs with data, 50226 (Polk City) is near the top ($161,627) and 50314 (Des Moines) is near the bottom ($38,511).

How many ZIP codes are in Polk County?

Polk County, Iowa includes 33 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.

Where can I find ZIP code demographics for Polk County?

This page lists ZIP codes in Polk County, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.