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ZIP Code Database - Facts & Stats

ZIP Codes for City of Arnold, MD

Timezone(s):Eastern (GMT -05:00)
Population:23,106 (More Details)
Male Population:11,222
Female Population:11,884
Median Age:41
ZIP Codes:1
Area Codes:1
Total Area:588 square miles (county)
Land Area:415 square miles (county)
Water Area:173 square miles (county)

Arnold, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 21012StandardAnne Arundel21,317410

Arnold, MD Demographic Information *

Total population23,106
Male population11,222
Female population11,884
Median age (years)40.9
White Population20,484
Black Population1,208
Indian Population54
Asian Population558
Hawaiian Population6
Hispanic Population918
Median age (Male)39.9
Median age (Female)41.9
Total households8,419
Family households (families)6,343
Average household size2.73
Average family size3.12
Total housing units8,766
* Demographic data is based on 2010 Census.

Arnold, MD Other Information

186 Cities within 30 miles of Arnold, MD Products