US Gazetteer > South Dakota Gazetteer > South Dakota ZIP Codes > Keystone, SD 57751

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Keystone, SD 57751

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ZIP Code 57751 has segments in 2 Counties (Custer, Pennington).

The 57751 ZIP Code is centered1 in Pennington County at latitude 43.943 and longitude -103.362 (Panoramio Photos). It is a standard type ZIP Code. Pennington County is in the Mountain Time Zone (UTC -7 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 57751 was 714 with 398 housing units; a land area land area of 35.76 sq. miles; a water area of 0.01 sq. miles; and a population density of 19.97 people per sq. mile for Census 2000. Demographic Profile

Keystone, SD 57751 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Rockerville, SD (1.4 miles N)
Stratosphere Bowl, SD (2.4 miles NNE)
Harney, SD (3.6 miles SSW)
Keystone, SD (4.3 miles SW)
Colonial Pine Hills, SD (5.1 miles NNE)
McGee, SD (6.7 miles N)
Spokane, SD (7.1 miles S)
Hisega, SD (7.9 miles NNW)
Kennedyville, SD (8.2 miles W)
Big Bend, SD (8.9 miles NNW)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Clarkson Addition, SD (4.9 miles NNE)
Wildwood Addition, SD (7.7 miles NE)
Arrowhead Estates, SD (7.7 miles NNE)
Broadmoor Subdivision, SD (8 miles NNE)
Ridgeland Heights, SD (9.7 miles N)
Melcore Acres Subdivision, SD (10.4 miles NNW)
South Canyon Country Estates, SD (11 miles N)
Gold Mountain Subdivision, SD (11.7 miles W)
State Game Lodge, SD (11.9 miles S)
Sylvan Lake Resort, SD (12.1 miles WSW)

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. ZIP Codes are only loosely tied to cities.

1 Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.