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Zip Code 57363 — Mount Vernon, SD

ZIP Code 57363 is associated with Mount Vernon, SD, in Davison County. The listed population estimate is 866; estimated density is 1.8 people per square mile. Among records with population estimates, it ranks #3 of 3 in Davison County and #159 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.687230, -98.254910)

Data MetricLocal Statistic
Postal / Zip Code57363
Primary CityMount Vernon
State / ProvinceSD
CountyDavison
Total Population866
Population Density1.8 people/sq mi
TimezoneAmerica/Chicago

How 57363 Compares

MetricZIP 57363Davison County recordsSD records
Population estimate86621,051 (sum)906,188 (sum)
Population Density1.8 /sq mi----
County population rank#3 of 3----
State population rank#159 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 57301Mitchell10.8 mi19,104
ZIP 57368Plankinton11.9 mi1,068
ZIP 57375Stickney14.1 mi573
ZIP 57359Letcher15.6 mi652
ZIP 57334Ethan16.4 mi1,081

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 →