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ZIP Code 57421 has segments in 2 Counties (Brown, Marshall).
The 57421 ZIP Code is centered1 in Marshall County at latitude 45.717 and longitude -97.92. It is a standard type ZIP Code. Marshall County is in the Central Time Zone (UTC -6 hours) and observes daylight savings time. The population in ZIP Code Tabulation Area (ZCTA) 57421 was 106 with 47 housing units; a land area land area of 29.37 sq. miles; a water area of 0.11 sq. miles; and a population density of 3.61 people per sq. mile for Census 2000. Demographic Profile |
Amherst, SD 57421 Map (Marker is ZIP Code Centroid)
Local Search, 57421 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Amherst, SD
(1.4 miles N) Claremont, SD (5.6 miles SW) Spain, SD (6.6 miles E) West Britton, SD (6.6 miles NE) |
Langford, SD
(9.1 miles SSE) Britton, SD (9.7 miles ENE) Huffton, SD (10.9 miles SW) Houghton, SD (14.4 miles WNW) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
No additional populated places within a 20 miles radius found.ZIP Codes - Key Concepts
- ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
- The centroid of a ZIP Code may be in one County and the associated city/town in another.
- In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
- ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
- 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.
