US ZIP Code Map

City

Arnold, MD ZIP codes

3 ZIPs, including 21012 as primary city.

ACS population

70,970

Median household income

$151,349

Median home value

$565,100

Map of Arnold

ZIP code map

ZIP share of this city

Population share

ZIP codes in Arnold

ZIPCityCountyPopulationIncome
21012ArnoldAnne Arundel County22,306$137,544
21146Severna ParkAnne Arundel County28,489$169,835
21409AnnapolisAnne Arundel County20,175$146,667