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County ZIP codes · Iowa · FIPS 19187

Webster County, IA ZIP Codes

Webster County, Iowa has 21 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 14 of the residential ones lie mainly in Webster County and 7 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $60,761 in 50249 (Stratford) to $91,563 in 50543 (Gowrie) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Webster County?

50249 · Stratford: $61k50501 · Fort Dodge: $67k50516 · Badger: $70k50518 · Barnum: $98k50521 · Burnside: –50523 · Callender: $86k50524 · Clare: $104k50530 · Dayton: $73k50532 · Duncombe: $65k50533 · Eagle Grove: $66k50538 · Farnhamville: $62k50543 · Gowrie: $92k50544 · Harcourt: $60k50548 · Humboldt: $76k50557 · Lehigh: $63k50563 · Manson: $71k50566 · Moorland: $79k50569 · Otho: $44k50586 · Somers: $55k50591 · Thor: $75k50594 · Vincent: $67k505015054850563505335053250249505305054350524505575056650516505385052350518505865059150594505445056950249 · Stratford: $61k50501 · Fort Dodge: $67k50516 · Badger: $70k50518 · Barnum: $98k50521 · Burnside: –50523 · Callender: $86k50524 · Clare: $104k50530 · Dayton: $73k50532 · Duncombe: $65k50533 · Eagle Grove: $66k50538 · Farnhamville: $62k50543 · Gowrie: $92k50544 · Harcourt: $60k50548 · Humboldt: $76k50557 · Lehigh: $63k50563 · Manson: $71k50566 · Moorland: $79k50569 · Otho: $44k50586 · Somers: $55k50591 · Thor: $75k50594 · Vincent: $67k505015054850563505335053250249505305054350524505575056650516505385052350518505865059150594505445056950249 · Stratford: $61k50501 · Fort Dodge: $67k50516 · Badger: $70k50518 · Barnum: $98k50521 · Burnside: –50523 · Callender: $86k50524 · Clare: $104k50530 · Dayton: $73k50532 · Duncombe: $65k50533 · Eagle Grove: $66k50538 · Farnhamville: $62k50543 · Gowrie: $92k50544 · Harcourt: $60k50548 · Humboldt: $76k50557 · Lehigh: $63k50563 · Manson: $71k50566 · Moorland: $79k50569 · Otho: $44k50586 · Somers: $55k50591 · Thor: $75k50594 · Vincent: $67k505015054850563505335053250249505305054350524505575056650516505385052350518505915054450569
The residential ZIP codes of Webster County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $65,595 and $73,250.

They carry 21 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 21 residential ZIP codes in Webster County

14 ZIP codes lie mainly in Webster County; 7 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Webster County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
50501 Fort Dodge 28,823 189 $67k $154k 100%
50543 Gowrie 1,420 18 $92k $155k 100%
50530 Dayton 1,090 17 $73k $168k 96%
50532 Duncombe 804 11 $65k $151k 90%
50557 Lehigh 804 17 $63k $160k 100%
50523 Callender 682 16 $86k $153k 100%
50516 Badger 586 23 $70k $127k 76%
50544 Harcourt 565 18 $60k $153k 100%
50569 Otho 551 26 $44k $97k 100%
50524 Clare 439 8 $104k $245k 96%
50518 Barnum 365 13 $98k $158k 100%
50566 Moorland 325 9 $79k $166k 97%
50594 Vincent 288 11 $67k – 100%
50521 Burnside 45 37 – – 100%

Partly in Webster County

Residential ZIP codes mainly in another county that reach at least 1% into Webster County, by their share here
In this county
50249 Stratford 1,312 17 $61k $119k 19%
50591 Thor 405 14 $75k $163k 12%
50533 Eagle Grove 3,977 41 $66k $110k 9%
50548 Humboldt 5,722 46 $76k $188k 8%
50538 Farnhamville 661 19 $62k $94k 7%
50586 Somers 272 8 $55k $89k 7%
50563 Manson 2,505 25 $71k $161k 5%

Download the 21 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

12 ZIP codes of Webster County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Webster County and in the neighboring counties
ZIPIn WebsterElsewhere
505488%Humboldt County 92%
505339%Wright County 79%; Humboldt County 11%
505635%Calhoun County 69%; Pocahontas County 26%
5024919%Hamilton County 70%; Boone County 11%
5053096%Boone County 4%
5053290%Hamilton County 10%
505387%Calhoun County 93%
5051676%Humboldt County 24%
5052496%Pocahontas County 4%
5059112%Humboldt County 88%
5056697%Calhoun County 3%
505867%Calhoun County 93%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Webster County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Webster County's ZIP codes use 2 prefixes: 502 and 505.

Three-digit prefixes of Webster County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Webster County's
PrefixSectional centerHereAll codes
502 Des Moines, IA (SCF 500) 1 65
505 Des Moines, IA (SCF 500) 20 75

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.