What is the population of Oacoma?

The population of Oacoma, SD is 70.

Where is Oacoma located?

Oacoma, SD is located at latitude 43.7961100 and longitude -99.3956600. It is in United States.

What is the elevation of Oacoma?

Oacoma, SD has an elevation of 422 meters (1385 feet) above sea level.

What time zone is Oacoma in?

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

What state is Oacoma in?

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

What county is Oacoma, SD in?

Oacoma is in Lyman County, South Dakota.

How has the population of Oacoma changed?

The population of Oacoma, SD has decreased from 71 (2010) to 70 (2020), a change of -1.4%.

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Oacoma, South Dakota

Oacoma: township in Lyman County, South Dakota.

About

Oacoma is a township located in the county of Lyman in the U.S. state of South Dakota. Its population at the 2010 census was 71. After 10 years in 2020 city had an estimated population of 70 inhabitants.

Quick Facts about Oacoma

Population	70 (2020)
Country	United States of America
State	South Dakota (United States)
County	Lyman County
Latitude & Longitude	43.7961,-99.3957
Time Zone	America/Chicago
Local time	23:37:46 (15th October 2026)
Postal code	57365
Population growth	-1.41% (2010-2020)
Weather	45℉ Rain Showers Likely 7-days weather

Geography

Oacoma is located at 43°47'46"N 99°23'44"W (43.7961100, -99.3956600).

Oacoma map

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Weather

45°F

Rain Showers Likely

5 mph NNE Overnight

Rain showers likely. Cloudy. Low around 45, with temperatures rising to around 48 overnight. North northeast wind around 5 mph. Chance of precipitatio...

7-Day Forecast

Demographics

According to census records, the population of Oacoma decreased by 1.41% in 10 years.

Year	Population	% Change	Method
2010	71	-	census
2011	72	1.41%	estimation process
2012	71	-1.39%	estimation process
2013	74	4.23%	estimation process
2014	74	0%	estimation process
2015	74	0%	estimation process
2016	74	0%	estimation process
2017	74	0%	estimation process
2018	72	-2.7%	estimation process
2019	71	-1.39%	estimation process
2020	70	-1.41%	estimation process

Oacoma zip code is 57365. County name: Lyman, County fips: 46085

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Services and Civic Places in Oacoma

1Oacoma City Finance Office

E 3rd St, Oacoma, SD 57365 View details

Phone: +16057344455 | Website available

Nearby Post Offices

Closest post offices linked to Oacoma.

Post Office Name	City	ZIP
Oacoma Post Office	Oacoma (SD)	57365