Plain

County ZIP codes · Iowa · FIPS 19109

Kossuth County, IA ZIP Codes

Kossuth County, Iowa has 21 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 12 of the residential ones lie mainly in Kossuth County and 9 mainly in a neighboring county; 14 cross the county line. Median household income ranges from $66,642 in 50511 (Algona) to $92,000 in 50597 (West Bend) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Kossuth County?

50424 · Buffalo Center: $59k50430 · Corwith: $59k50451 · Lakota: $54k50480 · Titonka: $73k50483 · Wesley: $89k50484 · Woden: $66k50511 · Algona: $67k50514 · Armstrong: $73k50517 · Bancroft: $62k50519 · Bode: $72k50522 · Burt: $68k50539 · Fenton: $65k50556 · Ledyard: $37k50558 · Livermore: $69k50559 · Lone Rock: $50k50560 · Lu Verne: $66k50570 · Ottosen: $68k50590 · Swea City: $58k50597 · West Bend: $92k50598 · Whittemore: $79k56027 · Elmore: $50k50511504245051450560505905059750517560275048350598504305048050522505585053950519504515057050556504845055950424 · Buffalo Center: $59k50430 · Corwith: $59k50451 · Lakota: $54k50480 · Titonka: $73k50483 · Wesley: $89k50484 · Woden: $66k50511 · Algona: $67k50514 · Armstrong: $73k50517 · Bancroft: $62k50519 · Bode: $72k50522 · Burt: $68k50539 · Fenton: $65k50556 · Ledyard: $37k50558 · Livermore: $69k50559 · Lone Rock: $50k50560 · Lu Verne: $66k50570 · Ottosen: $68k50590 · Swea City: $58k50597 · West Bend: $92k50598 · Whittemore: $79k56027 · Elmore: $50k505115042450514505605059050597505175602750483505985043050480505225055850539505195045150556504845055950424 · Buffalo Center: $59k50430 · Corwith: $59k50451 · Lakota: $54k50480 · Titonka: $73k50483 · Wesley: $89k50484 · Woden: $66k50511 · Algona: $67k50514 · Armstrong: $73k50517 · Bancroft: $62k50519 · Bode: $72k50522 · Burt: $68k50539 · Fenton: $65k50556 · Ledyard: $37k50558 · Livermore: $69k50559 · Lone Rock: $50k50560 · Lu Verne: $66k50570 · Ottosen: $68k50590 · Swea City: $58k50597 · West Bend: $92k50598 · Whittemore: $79k56027 · Elmore: $50k505115042450514505605059050597505175602750483505985043050480505225055850539505195055650484
The residential ZIP codes of Kossuth 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?

They carry 21 postal town names.

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

All 21 residential ZIP codes in Kossuth County

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

Residential ZIP codes mainly in Kossuth County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
50511 Algona 7,240 56 $67k $181k 100%
50517 Bancroft 833 11 $62k $125k 100%
50598 Whittemore 818 12 $79k $111k 70%
50480 Titonka 809 13 $73k $90k 97%
50560 Lu Verne 732 9 $66k $84k 85%
50590 Swea City 718 9 $58k $64k 100%
50522 Burt 705 11 $68k $83k 100%
50483 Wesley 672 8 $89k $143k 71%
50539 Fenton 444 8 $65k $71k 78%
50451 Lakota 432 7 $54k $53k 100%
50559 Lone Rock 289 8 $50k $129k 100%
50556 Ledyard 159 4 $37k – 100%

Partly in Kossuth County

Residential ZIP codes mainly in another county that reach at least 1% into Kossuth County, by their share here
In this county
50519 Bode 765 14 $72k $124k 45%
50597 West Bend 1,341 16 $92k $180k 42%
50424 Buffalo Center 1,441 10 $59k $115k 38%
50430 Corwith 520 8 $59k $76k 37%
50570 Ottosen 203 5 $68k $202k 36%
50514 Armstrong 1,117 10 $73k $137k 35%
50558 Livermore 653 13 $69k $124k 17%
56027 Elmore 692 11 $50k $58k 13%
50484 Woden 411 9 $66k $101k 2%

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?

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

Share of each ZIP code's land in Kossuth County and in the neighboring counties
ZIPIn KossuthElsewhere
5042438%Winnebago County 62%
5059742%Palo Alto County 55%; Humboldt County 1%
5051435%Emmet County 65%
5059870%Palo Alto County 30%
5048097%Hancock County 2%; Winnebago County 1%
5051945%Humboldt County 55%
5056085%Humboldt County 15%
5602713%Faribault County 77%; Martin County 10%
5048371%Hancock County 29%
5055817%Humboldt County 83%
5043037%Hancock County 60%; Wright County 2%; Humboldt County 1%
5053978%Palo Alto County 22%
504842%Hancock County 64%; Winnebago County 33%
5057036%Humboldt County 64%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Kossuth County's ZIP codes use 3 prefixes: 504, 505 and 560.

Three-digit prefixes of Kossuth 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 Kossuth County's
PrefixSectional centerHereAll codes
504 Waterloo, IA (SCF 506) 6 57
505 Des Moines, IA (SCF 500) 14 75
560 Mankato, MN (SCF 560) 1 74

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