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Zip Code 57251 — Marvin, SD

ZIP Code 57251 is associated with Marvin, SD, in Grant County. The listed population estimate is 228; estimated density is 1.8 people per square mile. Among records with population estimates, it ranks #6 of 10 in Grant County and #293 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (45.277170, -96.936770)

Data MetricLocal Statistic
Postal / Zip Code57251
Primary CityMarvin
State / ProvinceSD
CountyGrant
Total Population228
Population Density1.8 people/sq mi
TimezoneAmerica/Chicago

How 57251 Compares

MetricZIP 57251Grant County recordsSD records
Population estimate2288,747 (sum)906,188 (sum)
Population Density1.8 /sq mi----
County population rank#6 of 10----
State population rank#293 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 57266Summit7.5 mi626
ZIP 57269Twin Brooks7.6 mi186
ZIP 57263South Shore10.0 mi351
ZIP 57279Wilmot10.2 mi899
ZIP 57227Corona12.0 mi562

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 →