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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Sinai, SD

Sinai, SD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 57061P.O. BoxBrookings102605

Timezone(s):Central (GMT -06:00)
Population:120 (More Details)
Male Population:66
Female Population:54
Median Age:37
ZIP Codes:1
Area Codes:1
Total Area:805 square miles (county)
Land Area:792 square miles (county)
Water Area:13 square miles (county)

Sinai, SD Demographic Information *

Total population120
Male population66
Female population54
Median age (years)37
White Population116
Black Population0
Indian Population0
Asian Population1
Hawaiian Population0
Hispanic Population2
Median age (Male)38
Median age (Female)36
Total households52
Family households (families)32
Average household size2.31
Average family size3
Total housing units61
* Demographic data is based on 2010 Census.

Sinai, SD Other Information

35 Cities within 30 miles of Sinai, SD Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],