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County ZIP codes · Iowa · FIPS 19063

Emmet County, IA ZIP Codes

Emmet County, Iowa has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 5 of the residential ones lie mainly in Emmet County and 2 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $57,482 in 51334 (Estherville) to $84,866 in 51342 (Graettinger) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Emmet County?

50514 · Armstrong: $73k50531 · Dolliver: $93k50578 · Ringsted: $72k51334 · Estherville: $58k51342 · Graettinger: $85k51364 · Terril: $67k51365 · Wallingford: $72k5133450514513425057851364505315136550514 · Armstrong: $73k50531 · Dolliver: $93k50578 · Ringsted: $72k51334 · Estherville: $58k51342 · Graettinger: $85k51364 · Terril: $67k51365 · Wallingford: $72k5133450514513425057851364505315136550514 · Armstrong: $73k50531 · Dolliver: $93k50578 · Ringsted: $72k51334 · Estherville: $58k51342 · Graettinger: $85k51364 · Terril: $67k51365 · Wallingford: $72k51334505145134250578513645053151365
The residential ZIP codes of Emmet 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 7 postal town names: Estherville, Graettinger, Armstrong, Terril, Ringsted, Wallingford, Dolliver.

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

All 7 residential ZIP codes in Emmet County

5 ZIP codes lie mainly in Emmet County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Emmet County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
51334 Estherville 6,960 37 $58k $112k 89%
50514 Armstrong 1,117 10 $73k $137k 65%
50578 Ringsted 633 9 $72k $107k 90%
51365 Wallingford 416 19 $72k $129k 100%
50531 Dolliver 325 8 $93k $152k 100%

Partly in Emmet County

Residential ZIP codes mainly in another county that reach at least 1% into Emmet County, by their share here
In this county
51342 Graettinger 1,385 17 $85k $109k 34%
51364 Terril 803 13 $67k $157k 12%

Download the 7 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?

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

Share of each ZIP code's land in Emmet County and in the neighboring counties
ZIPIn EmmetElsewhere
5133489%Dickinson County 11%
5134234%Palo Alto County 66%
5051465%Kossuth County 35%
5136412%Dickinson County 76%; Clay County 13%
5057890%Palo Alto County 10%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Emmet County's ZIP codes use 2 prefixes: 505 and 513.

Three-digit prefixes of Emmet 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 Emmet County's
PrefixSectional centerHereAll codes
505 Des Moines, IA (SCF 500) 3 75
513 Sioux Falls, SD (SCF 570) 4 23

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