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Zip Code 57543 — Kadoka, SD

ZIP Code 57543 is associated with Kadoka, SD, in Jackson County. The listed population estimate is 721; estimated density is 0.6 people per square mile. Among records with population estimates, it ranks #2 of 4 in Jackson County and #172 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.747850, -101.522680)

Data MetricLocal Statistic
Postal / Zip Code57543
Primary CityKadoka
State / ProvinceSD
CountyJackson
Total Population721
Population Density0.6 people/sq mi
TimezoneAmerica/Denver

How 57543 Compares

MetricZIP 57543Jackson County recordsSD records
Population estimate7212,409 (sum)906,188 (sum)
Population Density0.6 /sq mi----
County population rank#2 of 4----
State population rank#172 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 57577Wanblee17.0 mi940
ZIP 57521Belvidere17.1 mi314
ZIP 57547Long Valley18.7 mi383
ZIP 57750Interior23.6 mi365
ZIP 57560Norris26.3 mi391

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 →