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Zip Code 57335 — Fairfax, SD

ZIP Code 57335 is associated with Fairfax, SD, in Gregory County. The listed population estimate is 303; estimated density is 1.1 people per square mile. Among records with population estimates, it ranks #4 of 6 in Gregory County and #262 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.060050, -98.772550)

Data MetricLocal Statistic
Postal / Zip Code57335
Primary CityFairfax
State / ProvinceSD
CountyGregory
Total Population303
Population Density1.1 people/sq mi
TimezoneAmerica/Chicago

How 57335 Compares

MetricZIP 57335Gregory County recordsSD records
Population estimate3033,849 (sum)906,188 (sum)
Population Density1.1 /sq mi----
County population rank#4 of 6----
State population rank#262 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 57317Bonesteel11.5 mi573
ZIP 57367Pickstown13.1 mi291
ZIP 57342Geddes13.3 mi393
ZIP 57356Lake Andes14.2 mi1,959
ZIP 57571Saint Charles16.1 mi22

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 →