Data Last Updated: June 1, 2023

ZIP Codes for City of Sinai, SD


    
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Counties:	BROOKINGS, SD
Area Code(s):	605
Timezone(s):	Central (GMT -06:00)
City Population:	120 (More Details)
CBSA:	Brookings, SD
Congressional District(s):	No Districts
Land Area:	792 square miles (county)
Water Area:	13 square miles (county)

1 ZIP Code

Sinai, SD ZIP Code Boundaries

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Sinai, SD Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
57061	P.O. Box	102	100.00%	LAKE SINAI

Sinai, SD Demographic Information *

Total population**	120
Male population	66
Female population	54
Median age (years)	37
White Population	116
Black Population	0
Indian Population	0
Asian Population	1
Hawaiian Population	0
Hispanic Population	2
Median age (Male)	38
Median age (Female)	36
Total households	52
Family households (families)	32
Average household size	2.31
Average family size	3
Total housing units	61

* Demographic data is based on 2010 Census for the City of SINAI.
** City and ZIP Code Population will not be equal due to differences in their geographies.

References

U.S. Postal Service [Last Updated: 2/1/2023], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2023], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov