Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/IA/COUNTY/POLK

Polk County, IA ZIP codes

There are 79 ZIP codes in Polk County, IA, in 21 towns, from 50007 to 50983. The largest are 50023 (Ankeny), 50317 (Des Moines) and 50315 (Des Moines).

The county seat is Des Moines.

ZIP codes
79
Towns
21
County seat
Des Moines
County FIPS
19153
State
Iowa
Population
503,175
Median household income
$83,576
Land area
573 sq mi
Area code
515

Polk County ZIP codes by town

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Polk County ZIP codes

50007500095002150023500325003550073501095011150131501615016950226502375024350244502655030150302503035030450305503065030750308503095031050311503125031350314503155031650317503185031950320503215032250324503255032750328503295033050331503325033350334503355033650339503405035950360503615036250363503645036750368503695038050381503915039250393503945039550396503985093650940509475095050980509815098250983

The ZIP codes of Polk County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Polk County in numbers

About 503,175 people live in Polk County, in 205,358 households, the most populous of Iowa's 99 counties. The median household income is $83,576 a year, 11% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $262,100 (26% above the Iowa median), and median gross rent is $1,149 a month. The median age is 36.2; 40.3% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 20 minutes.

Population503,175Polk503,175
Households205,358Polk205,358
Median age36.2Polk36.2Iowa38.6US 38.9
Median household income$83,576Polk$83,576Iowa$75,059US $80,734
Median home value$262,100Polk$262,100Iowa$208,000US $332,700
Median gross rent$1,149Polk$1,149Iowa$972US $1,413
Bachelor's degree or higher40.3%Polk40.3%Iowa31.4%US 35.7%
Mean commute20.0 minPolk20.0 minIowa19.8 minUS 26.4 min
Population density879 / sq miPolk879 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Polk County

Largest towns in Polk County
TownZIP codesPopulation
Des Moines 57 212,421
Ankeny 2 72,615
West Des Moines 1 71,083
Urbandale 2 46,595
Johnston 1 24,384
Altoona 1 21,495
Clive 1 19,012
Grimes 1 16,366
Pleasant Hill 1 11,136
Bondurant 1 8,560
Polk City 1 6,037
Windsor Heights 1 5,143
Mitchellville 1 2,579
Granger 1 1,979
Slater 1 1,401

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Polk County.

Not sure you are in Polk County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Polk County, with figures

ZIP codes in Polk County
ZIP City Type Population Median income Median home
50007 Alleman , IA Standard 444 $120,417 $308,300
50009 Altoona , IA Standard 22,886 $88,447 $278,300
50021 Ankeny , IA Standard 30,283 $99,572 $317,200
50023 Ankeny , IA Standard 46,306 $117,826 $345,100
50032 Berwick , IA Standard 707 — —
50035 Bondurant , IA Standard 10,131 $134,906 $323,000
50073 Elkhart , IA Standard 1,208 $100,972 $274,700
50109 Granger , IA Standard 3,309 $118,669 $370,100
50111 Grimes , IA Standard 16,865 $120,769 $308,800
50131 Johnston , IA Standard 24,583 $106,551 $369,400
50161 Maxwell , IA Standard 2,296 $98,519 $256,500
50169 Mitchellville , IA Standard 3,667 $83,938 $227,000
50226 Polk City , IA Standard 7,759 $153,011 $417,500
50237 Runnells , IA Standard 3,635 $101,806 $346,900
50243 Sheldahl , IA Standard 361 $80,938 $184,700
50244 Slater , IA Standard 1,729 $120,313 $250,800
50265 West Des Moines , IA Standard 33,488 $85,915 $281,800
50301 Des Moines , IA No street area — — —
50302 Des Moines , IA No street area — — —
50303 Des Moines , IA No street area — — —
50304 Des Moines , IA No street area — — —
50305 Des Moines , IA No street area — — —
50306 Des Moines , IA No street area — — —
50307 Des Moines , IA No street area — — —
50308 Des Moines , IA No street area — — —
50309 Des Moines , IA Standard 10,110 $56,777 $292,500
50310 Des Moines , IA Standard 31,177 $76,381 $222,700
50311 Des Moines , IA Standard 14,574 $61,957 $226,500
50312 Des Moines , IA Standard 15,802 $92,242 $291,900
50313 Des Moines , IA Standard 17,440 $68,361 $175,100
50314 Des Moines , IA Standard 10,438 $39,950 $147,900
50315 Des Moines , IA Standard 34,816 $60,590 $173,200
50316 Des Moines , IA Standard 16,710 $56,090 $154,300
50317 Des Moines , IA Standard 36,548 $65,617 $177,600
50318 Des Moines , IA No street area — — —
50319 Des Moines , IA Standard 0 — —
50320 Des Moines , IA Standard 24,807 $85,105 $216,900
50321 Des Moines , IA Standard 7,900 $80,351 $320,500
50322 Urbandale , IA Standard 31,931 $92,085 $276,200
50324 Windsor Heights , IA Standard 5,143 $91,707 $267,900
50325 Clive , IA Standard 19,012 $132,121 $401,100
50327 Pleasant Hill , IA Standard 13,177 $98,333 $314,400
50328 Des Moines , IA No street area — — —
50329 Des Moines , IA No street area — — —
50330 Des Moines , IA No street area — — —
50331 Des Moines , IA No street area — — —
50332 Des Moines , IA No street area — — —
50333 Des Moines , IA No street area — — —
50334 Des Moines , IA No street area — — —
50335 Des Moines , IA No street area — — —
50336 Des Moines , IA No street area — — —
50339 Des Moines , IA No street area — — —
50340 Des Moines , IA No street area — — —
50359 Des Moines , IA No street area — — —
50360 Des Moines , IA No street area — — —
50361 Des Moines , IA No street area — — —
50362 Des Moines , IA No street area — — —
50363 Des Moines , IA No street area — — —
50364 Des Moines , IA No street area — — —
50367 Des Moines , IA No street area — — —
50368 Des Moines , IA No street area — — —
50369 Des Moines , IA No street area — — —
50380 Des Moines , IA No street area — — —
50381 Des Moines , IA No street area — — —
50391 Des Moines , IA No street area — — —
50392 Des Moines , IA No street area — — —
50393 Des Moines , IA No street area — — —
50394 Des Moines , IA No street area — — —
50395 Des Moines , IA No street area — — —
50396 Des Moines , IA No street area — — —
50398 Urbandale , IA No street area — — —
50936 Des Moines , IA No street area — — —
50940 Des Moines , IA No street area — — —
50947 Des Moines , IA No street area — — —
50950 Des Moines , IA No street area — — —
50980 Des Moines , IA No street area — — —
50981 Des Moines , IA No street area — — —
50982 Des Moines , IA No street area — — —
50983 Des Moines , IA No street area — — —

Cite this page

zipcodes.pro. “Polk County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ia/county/polk

Underlying data is public domain or openly licensed — sources, vintages and licences.