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Armour School District 21-1, South Dakota

Armour School District 21-1 is a unified school district in Douglas County and Charles Mix County, South Dakota, for grades K–12. About 1,038 people live in it (2020–2024 estimate). It covers 130 sq mi (337 km²) of land.

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Armour School District 21-1 in South Dakota
Armour School District 21-1 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
1,038 ± 133
Grades
K–12
Type
Unified school district
Counties
Douglas County78% of the district’s landCharles Mix County22% of the district’s land
Land area
130 sq mi (337 km²)
Median household income
$89,643 ± $31,472
Median home value
$107,100 ± $15,070
Water area
0.35 sq mi (0.91 km²)
State
South Dakota
Census code (GEOID)
4603780
Coordinates (central point)
43.318354, -98.350047
Check a point in the school district finder

These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Towns, townships and communities in Armour School District 21-1, largest first

  1. Armour (city)675 people
  2. Chester Township145 people
  3. Valley Township133 people
  4. Independence Township70 people

A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.

Bordering unified school districts, nearest first

  1. Corsica-Stickney School District 21-314 mi north
  2. Andes Central School District 11-115 mi southwest
  3. Tripp-Delmont School District 33-516 mi east
  4. Wagner School District 11-419 mi south
  5. Parkston School District 33-321 mi east
  6. Platte-Geddes School District 11-526 mi west

These share a boundary with Armour School District 21-1. Distances are straight lines between central points.

Before using this answer for enrollment

A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with Armour School District 21-1 before you rely on it.

See its schools and enrollment on NCES ↗

Find the school district where you are now or find your town or township.