What is the population of Sinai?

The population of Sinai, SD is 125.

Where is Sinai located?

Sinai, SD is located at latitude 44.2444100 and longitude -97.0408900. It is in United States.

What is the area of Sinai?

The area of Sinai, SD is 0.952413 km².

What is the elevation of Sinai?

Sinai, SD has an elevation of 543 meters (1781 feet) above sea level.

What time zone is Sinai in?

Sinai, SD is in the America/Chicago time zone.

What state is Sinai in?

Sinai is in the state of South Dakota, United States.

What county is Sinai, SD in?

Sinai is in Brookings County, South Dakota.

How has the population of Sinai changed?

The population of Sinai, SD has increased from 120 (2010) to 125 (2020), a change of 4.2%.

Sinai, SD - Geographic Facts & Maps

Sinai: town of the United States.

About

Sinai is a town located in the county of Brookings in the U.S. state of South Dakota. Its population at the 2010 census was 120 and a population density of 126 people per km². After 10 years in 2020 city had an estimated population of 125 inhabitants.

Quick Facts about Sinai

Population	125 (2020)
Country	United States of America
State	South Dakota (United States)
County	Brookings County
Postal code	57061
Phone Area Codes	605
Area	0.95 km²
Latitude & Longitude	44.2444,-97.0409
Altitude	1,781 feet / 543 meters
Time Zone	America/Chicago
Local time	18:43:09 (8th November 2026)
Density	131 Pop. per km² as of 2020
Population growth	4.17% (2010-2020)
Weather	37℉ Partly Cloudy 7-days weather

Geography

Sinai is located at 44°14'40"N 97°2'27"W (44.2444100, -97.0408900).

Sinai map

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Weather

37°F

Partly Cloudy

10 mph W Saturday Night

Partly cloudy, with a low around 37. West wind around 10 mph.

7-Day Forecast

Demographics

The population of Sinai increased by 4.17% in 10 years.

Year	Population	% Change	Method
2010	120	-	census
2011	119	-0.83%	estimation process
2012	123	3.36%	estimation process
2013	121	-1.63%	estimation process
2014	122	0.83%	estimation process
2015	123	0.82%	estimation process
2016	123	0%	estimation process
2017	124	0.81%	estimation process
2018	126	1.61%	estimation process
2019	124	-1.59%	estimation process
2020	125	0.81%	estimation process

Sinai zip code is 57061. County name: Brookings, County fips: 46011

Nearby Schools and Colleges

Schools and campuses linked to Sinai, SD. Select a name to open its map and contact details.

Code	Name	City	ZIP
219356	South Dakota State University	Brookings (SD)	57007-1898

Nearby Post Offices

Closest post offices linked to Sinai.

Post Office Name	City	ZIP
Sina Post Office	Sinai (SD)	57061

Other cities in Brookings County

Cities, towns, neighborhoods & other populated places in Brookings County , SD.

City Name	Population	Title
Volga	374	City in Brookings County, South Dakota, United States

Sinai, South Dakota