What is the population of Armour?

The population of Armour, SD is 666.

Where is Armour located?

Armour, SD is located at latitude 43.3186000 and longitude -98.3467500. It is in United States.

What is the area of Armour?

The area of Armour, SD is 2.468465 km².

What is the elevation of Armour?

Armour, SD has an elevation of 466 meters (1529 feet) above sea level.

What time zone is Armour in?

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

What state is Armour in?

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

What county is Armour, SD in?

Armour is in Douglas County, South Dakota.

How has the population of Armour changed?

The population of Armour, SD has decreased from 699 (2010) to 666 (2020), a change of -4.7%.

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Armour, South Dakota

Armour: city in and county seat of Douglas County, South Dakota, United States

About

Armour is a city located in the county of Douglas in the U.S. state of South Dakota. Its population at the 2010 census was 699 and a population density of 283 people per km². After 10 years in 2020 city had an estimated population of 666 inhabitants.

The city was created 141 years ago in 1884.

Armour locator map — Location of Armour on South Dakota map.

Quick Facts about Armour

Population	666 (2020)
Country	United States of America
State	South Dakota (United States)
County	Douglas County
Postal code	57313
Phone Area Codes	605
Area	2.47 km²
Latitude & Longitude	43.3186,-98.3468
Altitude	1,529 feet / 466 meters
Capital city	Armour is capital of Douglas County
Establishment	January 01, 1885 (141 years ago)
Time Zone	Central Time Zone
Local time	16:54:58 (22nd April 2026)
Density	270 Pop. per km² as of 2020
Population growth	-4.95% (2010-2020)
Weather	91℉ Sunny 7-days weather

Armour South Dakota sign image

Geography

Armour is located at 43°19'7"N 98°20'48"W (43.3186000, -98.3467500).

Armour map

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Weather

91°F

Sunny

15 to 30 mph SSE Wednesday

Sunny, with a high near 91. South southeast wind 15 to 30 mph, with gusts as high as 45 mph.

7-Day Forecast

Official website of Armour

Official Website

Demographics

According to census records, the population of Armour decreased by 4.95% in 10 years.

Year	Population	% Change	Method
2010	699	-	census
2011	692	-1.01%	estimation process
2012	683	-1.32%	estimation process
2013	686	0.44%	estimation process
2014	670	-2.39%	estimation process
2015	675	0.74%	estimation process
2016	669	-0.9%	estimation process
2017	669	0%	estimation process
2018	668	-0.15%	estimation process
2019	669	0.15%	estimation process
2020	666	-0.45%	estimation process

Armour zip code is 57313. County name: Douglas, County fips: 46043

People born in Armour (7)

People born in Armour, including psychologist John C. Flanagan, United States federal judge Peirson Mitchell Hall, politician Spencer Hawley, .

More notable people

James E. Putnam (American politician) he was born in 18/04/1940
Franklin G. Floete he was born in 01/01/1889
Emily VanDerWerff (writer and critic) was born in 01/01/1982
Benjamin H. Adams (American naval doctor) he was born in 05/11/1888

Nearby Schools and Colleges

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

Code	Name	City	ZIP
219091	Dakota Wesleyan University	Mitchell (SD)	57301-4398
219189	Mitchell Technical Institute	Mitchell (SD)	57301

Nearby Post Offices

Closest post offices linked to Armour.

Post Office Name	City	ZIP
Armour Post Office	Armour (SD)	57313

Other cities in Douglas County

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

City Name	Population	Title
Corsica	569	City in South Dakota, United States
Delmont	215	City in Douglas County, South Dakota, United States
Joubert	126	Township in Douglas County, South Dakota
Harrison	38	Census-designated place in South Dakota
Hillside	31	Township in Edmunds County, South Dakota