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Zip Code 57346 — Stephan, SD

ZIP Code 57346 is associated with Stephan, SD, in Hyde County. The listed population estimate is 13; estimated density is 18.2 people per square mile. Among records with population estimates, it ranks #3 of 3 in Hyde County and #370 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.248180, -99.457560)

Data MetricLocal Statistic
Postal / Zip Code57346
Primary CityStephan
State / ProvinceSD
CountyHyde
Total Population13
Population Density18.2 people/sq mi
TimezoneAmerica/Chicago

How 57346 Compares

MetricZIP 57346Hyde County recordsSD records
Population estimate131,177 (sum)906,188 (sum)
Population Density18.2 /sq mi----
County population rank#3 of 3----
State population rank#370 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 57339Fort Thompson9.4 mi1,390
ZIP 57548Lower Brule14.0 mi1,442
ZIP 57540Holabird16.6 mi223
ZIP 57371Ree Heights16.9 mi238
ZIP 57536Harrold19.1 mi277

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 →