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Zip Code 57311 — Alexandria, SD

ZIP Code 57311 is associated with Alexandria, SD, in Hanson County. The listed population estimate is 1,389; estimated density is 2.8 people per square mile. Among records with population estimates, it ranks #1 of 3 in Hanson County and #107 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.651120, -97.764830)

Data MetricLocal Statistic
Postal / Zip Code57311
Primary CityAlexandria
State / ProvinceSD
CountyHanson
Total Population1,389
Population Density2.8 people/sq mi
TimezoneAmerica/Chicago

How 57311 Compares

MetricZIP 57311Hanson County recordsSD records
Population estimate1,3892,536 (sum)906,188 (sum)
Population Density2.8 /sq mi----
County population rank#1 of 3----
State population rank#107 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 57332Emery9.3 mi903
ZIP 57340Fulton10.8 mi244
ZIP 57374Spencer10.8 mi272
ZIP 57334Ethan13.8 mi1,081
ZIP 57301Mitchell14.4 mi19,104

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 →