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Zip Code 57470 — Rockham, SD

ZIP Code 57470 is associated with Rockham, SD, in Hand County. The listed population estimate is 242; estimated density is 0.6 people per square mile. Among records with population estimates, it ranks #5 of 6 in Hand County and #284 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.877260, -98.867090)

Data MetricLocal Statistic
Postal / Zip Code57470
Primary CityRockham
State / ProvinceSD
CountyHand
Total Population242
Population Density0.6 people/sq mi
TimezoneAmerica/Chicago

How 57470 Compares

MetricZIP 57470Hand County recordsSD records
Population estimate2423,670 (sum)906,188 (sum)
Population Density0.6 /sq mi----
County population rank#5 of 6----
State population rank#284 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 57467Orient13.9 mi410
ZIP 57469Redfield14.3 mi2,866
ZIP 57476Tulare16.6 mi349
ZIP 57424Ashton19.2 mi437
ZIP 57438Faulkton19.3 mi973

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 →