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Zip Code 57359 — Letcher, SD

ZIP Code 57359 is associated with Letcher, SD, in Sanborn County. The listed population estimate is 652; estimated density is 1.6 people per square mile. Among records with population estimates, it ranks #2 of 3 in Sanborn County and #180 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.901050, -98.155890)

Data MetricLocal Statistic
Postal / Zip Code57359
Primary CityLetcher
State / ProvinceSD
CountySanborn
Total Population652
Population Density1.6 people/sq mi
TimezoneAmerica/Chicago

How 57359 Compares

MetricZIP 57359Sanborn County recordsSD records
Population estimate6522,632 (sum)906,188 (sum)
Population Density1.6 /sq mi----
County population rank#2 of 3----
State population rank#180 of 372----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in SD

ZIP CodeCityDistancePopulation estimate
ZIP 57385Woonsocket12.1 mi1,408
ZIP 57314Artesian13.3 mi572
ZIP 57301Mitchell14.3 mi19,104
ZIP 57363Mount Vernon15.6 mi866
ZIP 57340Fulton16.9 mi244

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →