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County ZIP codes · South Dakota · FIPS 46117

Stanley County, SD ZIP Codes

Stanley County, South Dakota has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Stanley County and 2 mainly in a neighboring county; 4 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Stanley County?

57531 · Draper: $61k57532 · Fort Pierre: $88k57537 · Hayes: –57552 · Midland: $64k5753257552575315753757531 · Draper: $61k57532 · Fort Pierre: $88k57537 · Hayes: –57552 · Midland: $64k5753257552575315753757531 · Draper: $61k57532 · Fort Pierre: $88k57537 · Hayes: –57552 · Midland: $64k57532575525753157537
The residential ZIP codes of Stanley 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 4 residential ZIP codes in Stanley County

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

Residential ZIP codes mainly in Stanley County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
57532 Fort Pierre 2,929 2 $88k $210k 85%
57537 Hayes no residents 0 – – 84%

Partly in Stanley County

Residential ZIP codes mainly in another county that reach at least 1% into Stanley County, by their share here
In this county
57552 Midland 642 1 $64k $125k 15%
57531 Draper 153 0 $61k – 2%

Download the 4 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?

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

Share of each ZIP code's land in Stanley County and in the neighboring counties
ZIPIn StanleyElsewhere
5753285%Lyman County 15%
5755215%Haakon County 71%; Jones County 10%; Jackson County 4%
575312%Jones County 98%
5753784%Haakon County 16%

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

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

Three-digit prefixes of Stanley 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 Stanley County's
PrefixSectional centerHereAll codes
575 Dakota Central, SD (SCF 572) 4 43

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