What are the schools like in Armour, SD?

Armour is served primarily by Armour School District 21-1. The district operates 1 elementary schools, 1 middle schools, and 1 high schools with a student-to-teacher ratio of 10.5:1.

What is the median household income in Armour?

The median household income in Armour, SD is $60,341 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 1.3%.

What is the weather like in Armour, SD?

Armour has an average high temperature of 31.8°F in January and 88.0°F in July. Annual precipitation averages 25.4 inches and annual snowfall averages 34.4 inches.

Armour, SD Cost of Living, Crime & Is It a Good Place to Live? (2026)

Q: Is Armour, SD affordable or expensive?

Armour's cost of living index is 89, where 100 represents the national average. This means Armour is 11% less expensive than the average US city. The median home value is $97,300 and the median rent is $813 per month.

Q: What is the crime rate in Armour, SD?

Crime rate data for Armour is not currently available from the FBI's reported data.

Is Armour, SD a Good Place to Live?

Armour is a small town of 642 in South Dakota, with a median household income of $60,341 and a 1.3% unemployment rate. Its cost of living index is 89 (US average = 100), which is 11% below the national average.

Strengths: Armour stands out for an affordable cost of living, below-average home prices, solid school ratings (B), short average commutes.

Trade-offs: No major red flags stand out in the available data. Whether Armour is right for you depends on your priorities — the full breakdown is below.

All Armour city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 88.9

Armour's overall cost of living index is 88.9, where 100 represents the US national average. Living in Armour costs roughly 11% less than the average American city.

Metric	Armour, SD	National Avg
Median Home Value	$97,300	$244,900
Median Monthly Rent	$813	$1,163
Homeownership Rate	77.0%	65.9%
Median Household Income	$60,341	$74,755

Crime & Safety

Crime data for Armour is not currently available from the FBI's Uniform Crime Reporting program. Not all local agencies report to the UCR each year.

Schools & Education

Armour is served primarily by Armour School District 21-1. The student-to-teacher ratio is 10.5:1 (better than the national average of ~16:1).

Metric	Armour, SD	National Avg
School District	Armour School District 21-1	—
Elementary Schools	1	—
Middle Schools	1	—
High Schools	1	—
Student/Teacher Ratio	10.5:1	16:1
Bachelor's Degree or Higher	24.9%	35.4%
High School Diploma or Higher	88.9%	91.1%

Weather & Climate

Armour sees average highs of 31.8°F in January and 88.0°F in July, with 25.4 inches of annual precipitation and 34.4 inches of snow per year.

Metric	Armour, SD
Average High — January	31.8°F
Average High — July	88.0°F
Annual Precipitation	25.4"
Annual Snowfall	34.4"

Demographics

Metric	Armour, SD	National Avg
Population	642	—
Median Age	46.4	38.9
Unemployment Rate	1.3%	3.7%
Avg Commute Time	20.6 min	26 min
White (non-Hispanic)	86.4%	59.3%
Black or African American	7.3%	13.6%
Hispanic or Latino	4.4%	18.9%
Asian	0.0%	6.3%
Under 18	26.0%	22.2%
65 and over	28.8%	16.8%

Nearby Cities

Corsica, SD 8 mi Lakeview Colony, SD 9 mi Delmont, SD 10 mi Harrison, SD 12 mi Greenwood Colony, SD 12 mi

ZIP Codes in Armour

Armour, SD is covered by 1 ZIP code:

57313

Armour vs Other Cities

Armour, SD vs Corsica, SD Armour, SD vs Lakeview Colony, SD Armour, SD vs Delmont, SD Armour, SD vs Harrison, SD Armour, SD vs Greenwood Colony, SD

Frequently Asked Questions

Is Armour, SD affordable or expensive?

Armour's cost of living index is 89, where 100 is the national average. That makes Armour roughly 11% less expensive than a typical US city — a meaningful affordability advantage. The median home price is $97,300 and median rent is $813/month.

What is the crime rate in Armour, SD?

Crime data for Armour is not available in the current FBI UCR reporting year. Not all jurisdictions submit data annually.

What are the schools like in Armour?

Public schools in Armour are operated by Armour School District 21-1. The district has 1 elementary, 1 middle, and 1 high schools. The student-to-teacher ratio is 10.5:1. 24.9% of adults 25+ hold a bachelor's degree or higher.

Is Armour, SD a good place to live?

Armour, SD has a population of 642, a median household income of $60,341, and an unemployment rate of 1.3%. It offers below-average costs of living, which stretches take-home pay further than in most American cities. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.

What is the weather like in Armour?

Armour averages 31.8°F in January and 88.0°F in July. Annual rainfall is 25.4 inches with about 34.4 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).

What ZIP codes are in Armour?

Armour, SD is covered by 1 ZIP code: 57313.

What is the population of Armour?

The population of Armour, South Dakota is 642 with a median age of 46.4. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in Armour?

Key numbers for living in Armour: cost of living index 89 (100 = US average), median home $97,300, median household income $60,341, schools rated B. Whether these are benefits or drawbacks depends on where you're coming from — compare Armour side by side with your current city to see the trade-offs.