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City ZIP codes · South Dakota

Rapid City, SD ZIP Codes

4 ZIP codes use the postal name Rapid City, South Dakota (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 3 residential and 1 for PO boxes or a single organization. Median household income runs from $56,461 in 57701 to $91,457 in 57702, 1.6 times as much (Census Bureau, ACS 2020-2024). Rapid City's most populous ZIP code is 57701, with 45,795 people (ACS 2020-2024); 44% of its land is in the city of Rapid City.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Rapid City's ZIP codes?

57701: $57k median household income57702: $92k median household income57703: $84k median household income57702577035770157701: $57k median household income57702: $92k median household income57703: $84k median household income57702577035770157701: $57k median household income57702: $92k median household income57703: $84k median household income577025770357701
The 3 residential ZIP codes named Rapid City, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$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 Rapid City's ZIP codes?

The highest median household income is in 57702 ($91,457), the lowest in 57701 ($56,461). Home values run from $251,200 in 57701 to $389,700 in 57702.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 3 residential ZIP codes of Rapid City

Residential ZIP codes with the postal name Rapid City, SD, largest first (ACS 2020-2024); sort by any column
County
57701 Pennington County 45,795 877 $57k $251k
57702 Pennington County 35,595 125 $92k $390k
57703 Pennington County 18,013 139 $84k $277k

Download the 4 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Rapid City

1 ZIP code named Rapid City has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Rapid City, SD: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
57709Pennington County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Rapid City's ZIP codes reach?

Rapid City's residential ZIP codes lie in 2 counties: Pennington County (3 ZIP codes mainly there), Meade County (part of a ZIP code).

Which places do Rapid City's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Rapid City's residential ZIP codes cover Rapid City itself and 6 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Ashland Heights census-designated 57701
  • Caputa census-designated 57703
  • Colonial Pine Hills census-designated 57702
  • Green Valley census-designated 57703
  • Johnson Siding census-designated 57702
  • Rapid Valley census-designated 57703

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

Which first three digits do Rapid City'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 Rapid City starts with 577.

Three-digit prefixes of Rapid City'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 Rapid City's
PrefixSectional centerHereAll codes
577 Rapid City, SD (SCF 577) 4 58

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