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ZIP Code 51240 has segments in 2 Counties (Lyon, Sioux).
The 51240 ZIP Code is centered1 in Lyon County at latitude 43.305 and longitude -96.429 (Panoramio Photos). It is a standard type ZIP Code. Lyon County is in the Central Time Zone (UTC -6 hours) and observes daylight savings time.
The population in ZIP Code Tabulation Area (ZCTA) 51240 was 1,831 with 672 housing units; a land area land area of 102.34 sq. miles; a water area of 0.11 sq. miles; and a population density of 17.89 people per sq. mile for Census 2000. Demographic Profile
Inwood, IA 51240 Map (Marker is ZIP Code Centroid)
Local Search, 51240 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Inwood, IA
(< 0.1 mile) Fairview, SD (6.6 miles SSW) Alvord, IA (7 miles ENE) Klondike, IA (7.4 miles NW) Beloit, IA (7.5 miles WSW) |
Canton, SD
(8.2 miles W) Rock Valley, IA (9.7 miles SE) Doon, IA (10.1 miles E) Larchwood, IA (10.2 miles N) Lester, IA (10.8 miles NNE) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Elm Spring, IA
(3.1 miles W) Lakewood Corner, IA (13.1 miles ENE) |
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.
