ZIP Code List & Demographics Database Download: Digital ZIP Code Database & Maps

FREE ZIP Code Finder
Enter ZIP Code:

*Find Info on any U.S. ZIP Code
Find ZIP of Address

*Find the ZIP Code, county, and +4 of any U.S. Address
Other FREE Lookups
Area Code:

*Lookup ZIP Code of any city, state, county or area code
FREE Radius Search
Find all ZIP Codes

of ZIP Code:

» Download the FREE Radius Finder Application

FREE Distance Calc
Calculate the distance between two U.S. or Canadian ZIP codes.

Start ZIP:
End ZIP:

ZIP Codes for ARNOLD, MD

ARNOLD, MD Demographic Information *

Browse homes for sale in ARNOLD Trulia Logo. Your Home for Real Estate.
Total population 23,106
Male population 11,222
Female population 11,884
Median age (years) 40.9
White Population 20,484
Black Population 1,208
Indian Population 54
Asian Population 558
Hawaiian Population 6
Hispanic Population 918
Median age (Male) 39.9
Median age (Female) 41.9
Total households 8,419
Family households (families) 6,343
Average household size 2.73
Average family size 3.12
Total housing units 8,766
* Demographic data is based on 2010 Census.

ARNOLD, MD Covers 1 ZIP Codes

ZIP Code Area Code(s) Timezone Classification Population
ZIP Code 21012 410 Eastern General 21,317

ARNOLD, MD Other Information

39 Cities within 15 miles of ARNOLD, MD Products