Postal reference / United States

57016Chester, South Dakota

ZIP code 57016 is a United States postal code for Chester, South Dakota. Its county association is Lake County. The map reference point is at 43.8981, -96.9759.

State / territory
South Dakota
Recorded place name
Chester
County association
Lake
Estimated coordinate
43.8981, -96.9759
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ZIP prefix
570 · 69 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
26.491 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Browse the other 384 ZIP codes recorded for South Dakota, sorted by code with place and county.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
57075WentworthSDLake6.1
57018ColtonSDMinnehaha7.2
57017ColmanSDMoody8.8
57042MadisonSDLake10.1
57057RutlandSDLake11.8
57041LyonsSDMinnehaha12.8
57022Dell RapidsSDMinnehaha13.7
57003BalticSDMinnehaha15.9

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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