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County ZIP codes · Iowa · FIPS 19151

Pocahontas County, IA ZIP Codes

Pocahontas County, Iowa has 15 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 9 of the residential ones lie mainly in Pocahontas County and 6 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $56,364 in 50541 (Gilmore City) to $76,397 in 50510 (Albert City) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Pocahontas County?

50510 · Albert City: $76k50520 · Bradgate: $74k50524 · Clare: $104k50540 · Fonda: $73k50541 · Gilmore City: $56k50546 · Havelock: $65k50554 · Laurens: $64k50562 · Mallard: $73k50563 · Manson: $71k50571 · Palmer: $60k50573 · Plover: $49k50574 · Pocahontas: $61k50575 · Pomeroy: $53k50581 · Rolfe: $58k50593 · Varina: $51k5057450540505635055450510505815054150575505625052450546505715052050510 · Albert City: $76k50520 · Bradgate: $74k50524 · Clare: $104k50540 · Fonda: $73k50541 · Gilmore City: $56k50546 · Havelock: $65k50554 · Laurens: $64k50562 · Mallard: $73k50563 · Manson: $71k50571 · Palmer: $60k50573 · Plover: $49k50574 · Pocahontas: $61k50575 · Pomeroy: $53k50581 · Rolfe: $58k50593 · Varina: $51k5057450540505635055450510505815054150575505625052450546505715052050510 · Albert City: $76k50520 · Bradgate: $74k50524 · Clare: $104k50540 · Fonda: $73k50541 · Gilmore City: $56k50546 · Havelock: $65k50554 · Laurens: $64k50562 · Mallard: $73k50563 · Manson: $71k50571 · Palmer: $60k50573 · Plover: $49k50574 · Pocahontas: $61k50575 · Pomeroy: $53k50581 · Rolfe: $58k50593 · Varina: $51k50574505405056350554505105058150541505755056250524505465057150520
The residential ZIP codes of Pocahontas 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 $56,364 and $71,094.

They carry 15 postal town names.

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

All 15 residential ZIP codes in Pocahontas County

9 ZIP codes lie mainly in Pocahontas County; 6 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Pocahontas County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
50574 Pocahontas 2,132 20 $61k $110k 100%
50554 Laurens 1,653 18 $64k $83k 85%
50541 Gilmore City 1,067 12 $56k $96k 53%
50540 Fonda 998 9 $73k $110k 72%
50581 Rolfe 809 8 $58k $93k 92%
50546 Havelock 356 7 $65k – 95%
50571 Palmer 273 6 $60k $59k 100%
50573 Plover 31 73 $49k – 100%
50593 Varina 29 153 $51k $55k 100%

Partly in Pocahontas County

Residential ZIP codes mainly in another county that reach at least 1% into Pocahontas County, by their share here
In this county
50575 Pomeroy 696 11 $53k $89k 47%
50563 Manson 2,505 25 $71k $161k 26%
50510 Albert City 1,042 12 $76k $111k 16%
50562 Mallard 377 6 $73k $100k 7%
50520 Bradgate 114 5 $74k $44k 7%
50524 Clare 439 8 $104k $245k 4%

Download the 15 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?

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

Share of each ZIP code's land in Pocahontas County and in the neighboring counties
ZIPIn PocahontasElsewhere
5056326%Calhoun County 69%; Webster County 5%
5055485%Palo Alto County 12%; Buena Vista County 3%
5054153%Humboldt County 47%
5051016%Buena Vista County 84%
5054072%Calhoun County 25%; Sac County 3%
5058192%Palo Alto County 8%
5057547%Calhoun County 53%
505244%Webster County 96%
505627%Palo Alto County 93%
5054695%Palo Alto County 5%
505207%Humboldt County 93%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Pocahontas County starts with 505.

Three-digit prefixes of Pocahontas 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 Pocahontas County's
PrefixSectional centerHereAll codes
505 Des Moines, IA (SCF 500) 15 75

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