US Gazetteer > Maryland Gazetteer > Maryland ZIP Codes > Riva, MD 21140

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Riva, MD 21140

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The 21140 ZIP Code is centered1 in Anne Arundel County at latitude 38.952 and longitude -76.587 (Panoramio Photos). It is a standard type ZIP Code. Anne Arundel County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 21140 was 3,417 with 1,262 housing units; a land area land area of 1.3 sq. miles; a water area of 0 sq. miles; and a population density of 2,628.59 people per sq. mile for Census 2000. Demographic Profile

Riva, MD 21140 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Sylvan Shores, MD (< 0.1 mile)
South Haven, MD (< 0.1 mile)
Riva, MD (< 0.1 mile)
Hambleton, MD (< 0.1 mile)
South Down Shores, MD (1.4 miles SE)
South River Manor, MD (1.4 miles NNE)
Edgewater Beach, MD (1.4 miles ESE)
Cape Saint John, MD (1.4 miles NE)
Bon Haven, MD (1.4 miles NNW)
Edgewater, MD (1.9 miles E)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Glen Isle, MD (< 0.1 mile)
Tarzan Forest, MD (< 0.1 mile)
South River Heights, MD (< 0.1 mile)
Riva Farms, MD (< 0.1 mile)
Berkshire, MD (< 0.1 mile)
 Annapolis Landing, MD (< 0.1 mile)
Riva Trace, MD (1.4 miles NE)
Riva Woods, MD (1.4 miles NNE)
Whiskey Bottom, MD (1.4 miles NNE)
Chestnut Hills, MD (1.4 miles E)

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 / Independent Cities.
  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.