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County ZIP codes · South Dakota · FIPS 46123

Tripp County, SD ZIP Codes

Tripp County, South Dakota has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Tripp County and 2 mainly in a neighboring county; 5 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Tripp County?

57528 · Colome: $61k57529 · Dallas: $75k57533 · Gregory: $59k57534 · Hamill: $33k57541 · Ideal: $250k+57544 · Kennebec: $79k57580 · Winner: $60k57584 · Witten: $38k575805753357544575295752857534575415758457528 · Colome: $61k57529 · Dallas: $75k57533 · Gregory: $59k57534 · Hamill: $33k57541 · Ideal: $250k+57544 · Kennebec: $79k57580 · Winner: $60k57584 · Witten: $38k575805753357544575295752857534575415758457528 · Colome: $61k57529 · Dallas: $75k57533 · Gregory: $59k57534 · Hamill: $33k57541 · Ideal: $250k+57544 · Kennebec: $79k57580 · Winner: $60k57584 · Witten: $38k5758057533575445752957528575345754157584
The residential ZIP codes of Tripp 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).

All 8 residential ZIP codes in Tripp County

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

Residential ZIP codes mainly in Tripp County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
57580 Winner 4,386 4 $60k $134k 80%
57528 Colome 833 4 $61k $95k 100%
57529 Dallas 245 1 $75k $266k 70%
57541 Ideal 163 1 $250k+ $578k 100%
57534 Hamill 130 1 $33k $114k 80%
57584 Witten 96 1 $38k $182k 100%

Partly in Tripp County

Residential ZIP codes mainly in another county that reach at least 1% into Tripp County, by their share here
In this county
57544 Kennebec 421 2 $79k $142k 6%
57533 Gregory 1,674 4 $59k $122k 1%

Download the 8 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 Tripp County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Tripp County and in the neighboring counties
ZIPIn TrippElsewhere
5758080%Todd County 17%; Mellette County 3%
575331%Gregory County 72%; Lyman County 27%
575446%Lyman County 94%
5752970%Gregory County 30%
5753480%Lyman County 20%

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

Which first three digits do Tripp 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 Tripp County starts with 575.

Three-digit prefixes of Tripp 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 Tripp County's
PrefixSectional centerHereAll codes
575 Dakota Central, SD (SCF 572) 8 43

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