US Gazetteer > Maryland Gazetteer > Maryland ZIP Codes > Conowingo, MD 21918

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Conowingo, MD 21918

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The 21918 ZIP Code is centered1 in Cecil County at latitude 39.676 and longitude -76.153 (Panoramio Photos). It is a standard type ZIP Code. Cecil County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 21918 was 4,045 with 1,444 housing units; a land area land area of 17.97 sq. miles; a water area of 0.04 sq. miles; and a population density of 225.06 people per sq. mile for Census 2000. Demographic Profile

Conowingo, MD 21918 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Kilby Corner, MD (< 0.1 mile)
New Valley, MD (1.4 miles SSE)
Rowlandsville, MD (1.4 miles SSE)
Mount Zoar, MD (1.4 miles WNW)
Octoraro, MD (1.4 miles S)
Richardsmere, MD (1.9 miles ENE)
Oakwood, MD (1.9 miles NW)
Liberty Grove, MD (2.4 miles SE)
Conowingo Village, MD (2.4 miles SW)
Rock Springs, MD (2.7 miles N)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Conowingo, MD (< 0.1 mile)
Susquehanna Hills, MD (< 0.1 mile)
Conowingo Manor, MD (< 0.1 mile)
Mount Pleasant View, MD (1.4 miles ESE)
The Bluffs, MD (1.4 miles SSE)
Topeka East, MD (1.4 miles NNE)
Rowlandsville Heights, MD (1.4 miles SE)
Pleasant View, MD (1.9 miles ESE)
Conowingo Mobile Home Park, MD (1.9 miles W)
Octoraro Park, MD (1.9 miles NE)

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.