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Zip Code 57651 — Reva, SD

ZIP Code 57651 is associated with Reva, SD, in Harding County. The listed population estimate is 191; estimated density is 0.2 people per square mile. Among records with population estimates, it ranks #2 of 5 in Harding County and #310 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (45.483940, -103.077460)

Data MetricLocal Statistic
Postal / Zip Code57651
Primary CityReva
State / ProvinceSD
CountyHarding
Total Population191
Population Density0.2 people/sq mi
TimezoneAmerica/Denver

How 57651 Compares

MetricZIP 57651Harding County recordsSD records
Population estimate191994 (sum)906,188 (sum)
Population Density0.2 /sq mi----
County population rank#2 of 5----
State population rank#310 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 57649Prairie City10.5 mi273
ZIP 57650Ralph24.3 mi17
ZIP 57720Buffalo26.0 mi518
ZIP 57640Lodgepole26.5 mi41
ZIP 57776Redig26.8 miN/A

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 →