US Gazetteer > Maryland Gazetteer > Maryland ZIP Codes > Cooksville, MD 21723

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Cooksville, MD 21723

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The 21723 ZIP Code is centered1 in Howard County at latitude 39.32 and longitude -77.009 (Panoramio Photos). It is a standard type ZIP Code. Howard County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 21723 was 424 with 151 housing units; a land area land area of 2.75 sq. miles; a water area of 0 sq. miles; and a population density of 154.11 people per sq. mile for Census 2000. Demographic Profile

Cooksville, MD 21723 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Inwood, MD (1.4 miles SSW)
Carrs Mill, MD (2.4 miles W)
Glenwood, MD (2.4 miles SSW)
Hoods Mill, MD (2.4 miles N)
Gaither, MD (3.1 miles NNE)
Ivory, MD (3.1 miles SSE)
West Friendship, MD (3.4 miles ESE)
Morgan, MD (3.4 miles NW)
Lisbon, MD (3.6 miles WNW)
Mountview, MD (3.6 miles E)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Cooksville, MD (< 0.1 mile)
Villa Monticello, MD (< 0.1 mile)
Westcliffe Manor, MD (1.4 miles NE)
Red Lion Inn Estates, MD (1.4 miles NNW)
Justifiable, MD (1.4 miles WNW)
Gerber Knoll, MD (1.4 miles NE)
Ridgeways, MD (1.9 miles NE)
Heatherwood, MD (1.9 miles E)
Rover Mill Estates, MD (1.9 miles S)
Woodside Estates, MD (1.9 miles SSW)

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.