US Gazetteer > Maryland Gazetteer > Maryland ZIP Codes > Sunderland, MD 20689

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Sunderland, MD 20689

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The 20689 ZIP Code is centered1 in Calvert County at latitude 38.657 and longitude -76.586 (Panoramio Photos). It is a standard type ZIP Code. Calvert County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 20689 was 989 with 356 housing units; a land area land area of 3.78 sq. miles; a water area of 0.01 sq. miles; and a population density of 261.50 people per sq. mile for Census 2000. Demographic Profile

Sunderland, MD 20689 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Sunderland, MD (1.4 miles NNW)
Poplars, MD (2.4 miles ENE)
Paris, MD (3.1 miles N)
Randle Cliff Beach, MD (3.1 miles E)
Locust Grove Beach, MD (3.1 miles E)
Mount Harmony, MD (3.1 miles NNW)
Huntingtown, MD (3.1 miles SSW)
Chesapeake Beach, MD (3.4 miles NE)
Holiday Beach, MD (3.4 miles ESE)
Willows, MD (3.4 miles SE)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Victoria Estates, MD (< 0.1 mile)
Sunderland Estates, MD (< 0.1 mile)
Ireland Estates, MD (< 0.1 mile)
Kavadias Estates, MD (< 0.1 mile)
Kwanson Acres, MD (< 0.1 mile)
 Hickory Hills, MD (< 0.1 mile)
Federal Oak Estates, MD (< 0.1 mile)
Den Mar, MD (1.4 miles NW)
Marlboro Hills, MD (1.4 miles WNW)
Lake Karylbrook, 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.