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IA-4 · Iowa

Explore ZIP codes in U.S. House district IA-4 — in Iowa — 351 ZIP codes — 793,440 residents. Population, income, and housing at a glance.

District
IA-4
ZIP codes
351
Population
793,440
State
Iowa
Median household income (avg.)
$72,623
Average home value
$147,430
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Where is congressional district IA-4?

Congressional District IA-4 includes 351 indexable ZIP codes in Iowa on US5, with a combined ZIP-area population of about 793,440.

Larger population clusters inside this district include Sioux City, IA, Council Bluffs, IA, Ames, IA, Marshalltown, IA, and Fort Dodge, IA. Open any ZIP below for full demographics, housing, schools, and nearby services.

The most populous ZIP currently listed for IA-4 is 51503 (about 37,411 residents).

Income and housing in IA-4

Across ZIPs with income data in IA-4, the average median household income is about $72,623 — about 3% below the U.S. median ($75,149).

Average median home value across those ZIPs is about $147,430.

On this page’s income ranking, ZIP 50101 is near the top at about $168,333.

What is a U.S. House district?

Congressional districts are the geographic units that elect members of the U.S. House of Representatives. District IA-4 is one of Iowa's seats in the House; boundaries are redrawn after each decennial Census.

District lines are not the same as ZIP codes, cities, counties, area codes, or TV markets. A single ZIP can touch more than one district at the edges, and US5 maps each published ZIP to a primary district code for browseability.

How to use this IA-4 page

US5 joins published ZIP profiles to congressional district codes so you can scan the district as a list of postal codes with population, income, and housing — then open any ZIP for maps, schools, commute, and climate context.

This is a place-based research view, not a voter roll, campaign tool, or live election results feed. Counts can change when geography publishes update.

ZIP codes in IA-4

ZIP City County State Population Income Home value
51450 Lake View Sac County IA 1,532 $77,619 $177,200
51347 Lake Park Dickinson County IA 1,524 $81,736 $180,600
50130 Jewell Junction Hamilton County IA 1,517 $69,934 $143,100
51038 Merrill Plymouth County IA 1,512 $88,864 $181,800
51238 Hospers Sioux County IA 1,483 $82,634 $176,000
51005 Aurelia Cherokee County IA 1,463 $70,761 $171,700
51640 Hamburg Fremont County IA 1,445 $62,241 $120,400
51027 Ireton Sioux County IA 1,443 $91,875 $219,300
51046 Paullina O'Brien County IA 1,407 $81,389 $161,200
50543 Gowrie Webster County IA 1,400 $87,841 $116,600
51454 Manilla Crawford County IA 1,399 $99,044 $139,200
51653 Tabor Fremont County IA 1,390 $71,417 $213,200
50105 Gilbert Story County IA 1,384 $122,813 $265,100
50568 Newell Buena Vista County IA 1,364 $74,946 $124,300
50597 West Bend Palo Alto County IA 1,363 $87,042 $182,800
50076 Exira Audubon County IA 1,356 $48,462 $102,700
51342 Graettinger Palo Alto County IA 1,349 $77,708 $101,500
51358 Ruthven Palo Alto County IA 1,277 $70,921 $146,900
51245 Primghar O'Brien County IA 1,264 $78,958 $139,500
50249 Stratford Hamilton County IA 1,256 $54,167 $109,400
51458 Odebolt Sac County IA 1,255 $73,984 $150,500
50540 Fonda Pocahontas County IA 1,253 $86,818 $98,500
51430 Arcadia Carroll County IA 1,204 $70,809 $163,800
51006 Battle Creek Ida County IA 1,201 $81,563 $83,000
50162 Melbourne Marshall County IA 1,190 $67,201 $182,900
50514 Armstrong Emmet County IA 1,190 $70,550 $128,600
51055 Sloan Woodbury County IA 1,189 $75,833 $208,800
51466 Wall Lake Sac County IA 1,180 $69,643 $193,300
50585 Sioux Rapids Buena Vista County IA 1,165 $70,179 $99,200
50055 Collins Story County IA 1,157 $84,875 $195,400
51235 Doon Lyon County IA 1,152 $63,194 $250,600
51461 Schleswig Crawford County IA 1,150 $71,573 $159,100
51570 Shelby Shelby County IA 1,131 $69,286 $188,200
50056 Colo Story County IA 1,122 $79,667 $184,300
50106 Gilman Marshall County IA 1,121 $96,711 $112,000
50530 Dayton Webster County IA 1,119 $76,473 $138,900
51063 Whiting Monona County IA 1,109 $70,714 $116,400
51016 Correctionville Woodbury County IA 1,095 $52,813 $88,300
51234 Boyden Sioux County IA 1,090 $81,458 $208,000
50447 Kanawha Hancock County IA 1,079 $69,250 $82,400
51101 Sioux City Woodbury County IA 1,077 $18,103 —
51053 Schaller Sac County IA 1,056 $70,195 $96,500
50510 Albert City Buena Vista County IA 1,055 $78,523 $104,400
51052 Salix Woodbury County IA 1,054 $86,792 $235,900
51026 Hornick Woodbury County IA 1,050 $82,411 $233,300
50535 Early Sac County IA 1,035 $81,667 $87,600
50541 Gilmore City Pocahontas County IA 1,035 $53,859 $97,800
51354 Ocheyedan Osceola County IA 1,034 $70,625 $128,800
51058 Sutherland O'Brien County IA 1,020 $61,833 $116,100
51553 Minden Pottawattamie County IA 1,007 $88,750 $207,000
50452 Latimer Franklin County IA 990 $74,500 $108,100
51525 Carson Pottawattamie County IA 977 $79,034 $192,900
51022 Granville O'Brien County IA 966 $91,133 $169,400
51531 Elk Horn Shelby County IA 943 $58,929 $132,300
50598 Whittemore Kossuth County IA 927 $78,828 $103,600
50480 Titonka Kossuth County IA 926 $69,022 $79,300
51331 Arnolds Park Dickinson County IA 920 $84,615 $415,800
51338 Everly Clay County IA 912 $56,346 $120,400
50517 Bancroft Kossuth County IA 899 $52,596 $110,700
51355 Okoboji Dickinson County IA 892 $57,569 $441,400
50532 Duncombe Webster County IA 889 $65,000 $169,400
50529 Dakota City Humboldt County IA 887 $66,111 $119,300
51639 Farragut Fremont County IA 884 $91,250 $136,800
50542 Goldfield Wright County IA 873 $67,708 $118,200
51571 Silver City Mills County IA 858 $92,778 $225,000
51364 Terril Dickinson County IA 855 $62,554 $131,900
51004 Anthon Woodbury County IA 853 $49,821 $100,700
51357 Royal Clay County IA 841 $72,344 $121,300
50005 Albion Marshall County IA 830 $62,667 $129,500
51542 — Pottawattamie County IA 824 $112,898 $362,400
50278 Zearing Story County IA 819 $67,344 $170,400
50449 Klemme Hancock County IA 816 $66,538 $98,600
51436 Breda Carroll County IA 815 $59,438 $217,200
50075 Ellsworth Hamilton County IA 805 $69,306 $140,400
50071 Dows Wright County IA 793 $75,156 $71,800
51557 Mondamin Harrison County IA 788 $75,221 $160,900
51439 Charter Oak Crawford County IA 785 $59,231 $86,300
50134 Kelley Story County IA 783 $97,250 $277,500
50142 Le Grand Marshall County IA 779 $68,438 $124,300
50581 Rolfe Pocahontas County IA 751 $59,018 $78,000
50558 Livermore Humboldt County IA 745 $65,313 $109,700
51047 Peterson Clay County IA 739 $93,125 $130,500
50557 Lehigh Webster County IA 736 $77,250 $119,800
50590 Swea City Kossuth County IA 736 $65,500 $57,700
50560 Lu Verne Kossuth County IA 722 $66,172 $77,300
51561 Pacific Junction Mills County IA 716 $89,665 $381,800
50519 St. Joseph Humboldt County IA 713 $69,063 $114,400
51232 Ashton Osceola County IA 713 $79,250 $97,700
50246 Stanhope Hamilton County IA 711 $70,000 $117,900
51530 Earling Shelby County IA 710 $53,750 $150,700
51563 Persia Harrison County IA 708 $68,333 $209,000
51243 Little Rock Lyon County IA 702 $75,750 $88,100
50522 Burt Kossuth County IA 695 $60,833 $81,300
50478 Thompson Winnebago County IA 689 $44,880 $94,400
50516 Badger Webster County IA 684 $72,292 $128,000
51558 Moorhead Monona County IA 680 $78,393 $70,000
50483 Wesley Kossuth County IA 678 $73,750 $150,000
50561 Lytton Calhoun County IA 677 $67,188 $106,500
50575 Pomeroy Calhoun County IA 677 $55,694 $77,100
51018 Cushing Ida County IA 665 $72,222 $312,700

Frequently asked questions

Where is congressional district IA-4?

District IA-4 is a U.S. House district in Iowa. On US5 it is linked to ZIP codes covering about 793,440 combined ZIP-area residents across 351 codes. Browse the ZIP table on this page for cities and counties.

How many ZIP codes are in district IA-4?

US5 currently lists 351 indexable ZIP codes for congressional district IA-4. Counts can change as geography publishes update.

What is the average income in district IA-4?

The average of ZIP median household incomes in IA-4 is about $72,623 (about 3% below the U.S. median ($75,149)). Individual neighborhoods vary — sort the ZIP table by income to compare.

Is a congressional district the same as a ZIP code or county?

No. House districts are drawn for representation and often cut across cities and counties. ZIP codes are postal geography. US5 links each published ZIP to a primary district code so you can browse demographics by seat.

How does US5 map ZIPs to district IA-4?

US5 joins each published ZIP profile to a congressional district code from the spatial dictionary. This page lists indexable ZIPs with that code so you can move from the district overview into local demographics.

What cities are in district IA-4?

Larger population clusters on US5 for IA-4 include Sioux City, IA, Council Bluffs, IA, Ames, IA, Marshalltown, IA, and Fort Dodge, IA. Open linked ZIP pages for neighborhood-level demographics.