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Zip Code 57466 — Onaka, SD

ZIP Code 57466 is associated with Onaka, SD, in Faulk County. The listed population estimate is 192; estimated density is 0.5 people per square mile. Among records with population estimates, it ranks #4 of 4 in Faulk County and #308 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (45.200450, -99.458850)

Data MetricLocal Statistic
Postal / Zip Code57466
Primary CityOnaka
State / ProvinceSD
CountyFaulk
Total Population192
Population Density0.5 people/sq mi
TimezoneAmerica/Chicago

How 57466 Compares

MetricZIP 57466Faulk County recordsSD records
Population estimate1921,711 (sum)906,188 (sum)
Population Density0.5 /sq mi----
County population rank#4 of 4----
State population rank#308 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 57475Tolstoy8.1 mi99
ZIP 57473Seneca14.6 mi246
ZIP 57471Roscoe16.1 mi546
ZIP 57438Faulkton17.4 mi973
ZIP 57450Hoven18.4 mi624

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 →