ZIP codes
33
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.
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
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.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 50023 | Ankeny | Polk County | IA | 45,286 | $113,914 | $327,200 |
| 50317 | Des Moines | Polk County | IA | 36,721 | $61,569 | $165,200 |
| 50315 | Des Moines | Polk County | IA | 35,349 | $62,036 | $164,000 |
| 50265 | West Des Moines | Polk County | IA | 33,061 | $84,588 | $267,600 |
| 50322 | Urbandale | Polk County | IA | 31,694 | $89,323 | $263,900 |
| 50310 | Des Moines | Polk County | IA | 31,283 | $74,473 | $213,800 |
| 50021 | Ankeny | Polk County | IA | 29,718 | $98,847 | $295,000 |
| 50131 | Johnston | Polk County | IA | 24,388 | $103,316 | $347,100 |
| 50320 | Des Moines | Polk County | IA | 23,903 | $83,710 | $207,700 |
| 50009 | Altoona | Polk County | IA | 21,992 | $90,393 | $261,800 |
| 50325 | Clive | Polk County | IA | 18,776 | $131,082 | $379,000 |
| 50313 | Des Moines | Polk County | IA | 18,280 | $64,077 | $161,800 |
| 50111 | Grimes | Polk County | IA | 16,254 | $108,352 | $285,700 |
| 50316 | Des Moines | Polk County | IA | 16,188 | $53,090 | $137,300 |
| 50311 | Des Moines | Polk County | IA | 15,889 | $63,233 | $228,000 |
| 50312 | Des Moines | Polk County | IA | 15,492 | $82,720 | $274,400 |
| 50327 | Pleasant Hill | Polk County | IA | 12,875 | $90,759 | $303,000 |
| 50314 | Des Moines | Polk County | IA | 10,203 | $38,511 | $146,700 |
| 50035 | Bondurant | Polk County | IA | 9,668 | $126,915 | $297,100 |
| 50309 | Des Moines | Polk County | IA | 9,199 | $57,974 | $286,900 |
| 50321 | Des Moines | Polk County | IA | 7,787 | $77,636 | $294,100 |
| 50226 | Polk City | Polk County | IA | 7,290 | $161,627 | $390,600 |
| 50324 | Windsor Heights | Polk County | IA | 5,171 | $89,083 | $251,800 |
| 50169 | Mitchellville | Polk County | IA | 3,532 | $81,625 | $211,100 |
| 50109 | Granger | Polk County | IA | 3,371 | $130,263 | $337,400 |
| 50237 | Runnells | Polk County | IA | 3,275 | $92,667 | $326,300 |
| 50161 | Maxwell | Polk County | IA | 2,081 | $93,281 | $204,600 |
| 50244 | Slater | Polk County | IA | 1,866 | $101,544 | $235,600 |
| 50073 | Elkhart | Polk County | IA | 1,018 | $94,712 | $275,700 |
| 50032 | — | Polk County | IA | 622 | — | — |
| 50007 | Alleman | Polk County | IA | 490 | $130,000 | $294,300 |
| 50243 | Sheldahl | Polk County | IA | 348 | $67,500 | $175,000 |
| 50319 | Des Moines | Polk County | IA | — | — | — |
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.