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The 21001 ZIP Code is centered1 in Harford County at latitude 39.509 and longitude -76.182. It is a standard type ZIP Code. Harford County is in the Eastern Time Zone (UTC -5 hours) and observes daylight savings time. The population in ZIP Code Tabulation Area (ZCTA) 21001 was 19,248 with 8,121 housing units; a land area land area of 32.32 sq. miles; a water area of 0.01 sq. miles; and a population density of 595.55 people per sq. mile for Census 2000. Demographic Profile |
Aberdeen, MD 21001 Map (Marker is ZIP Code Centroid)
Local Search, 21001 ZIP Code| Distance & Driving Directions
Nearby Cities, Towns & Census Designated Places
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Aberdeen, MD
(1.4 miles E) Burns Corner, MD (1.4 miles NNE) Carsins, MD (2.4 miles NW) Glenn Heights, MD (2.7 miles NE) Swan Creek, MD (2.7 miles ENE) |
Perryman, MD
(3.1 miles SSW) Carsins Run, MD (3.1 miles NNW) Oakington, MD (3.6 miles E) Osborne, MD (3.9 miles ENE) Aldino, MD (3.9 miles N) |
Nearby Neighborhoods, Subdivisions & Other Small Populated Places
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Royal Acres, MD
(< 0.1 mile) Hill Land, MD (< 0.1 mile) Braemar, MD (< 0.1 mile) Burkley Manor, MD (< 0.1 mile) Chesapeake Acres, MD (< 0.1 mile) |
Dol Ray, MD
(< 0.1 mile) Hillside, MD (< 0.1 mile) Krouseland, MD (< 0.1 mile) Alton Homes, MD (< 0.1 mile) Hamilton Court, MD (1.4 miles E) |
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 / Independent Cities.
- 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.
