Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

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

ZIP Code Database - Facts & Stats

Zip Code 21771, Mount Airy, MD

ZIP Code 21771 Data

Zip Code:21771
City:Mount Airy
State:MD [Maryland]
Multi County:Yes
City Alias(es):Mount Airy
Area Code:240 / 301
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Day Light Savings:Yes
Elevation:290 ft
State FIPS:24
County FIPS:021
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 21771 2010 Census Demographics

Current Population:31,906
2010 Population:29,563
Households per ZIP Code:9,845
Average House Value:$402,000
Avg. Income Per Household:$120,661
Persons Per Household:2.98
White Population:28,040
Black Population:841
Hispanic Population:1,124
Asian Population:637
American Indian Population:224
Hawaiian Population:25
Other Population:364
Male Population:14,671
Female Population:14,892
Median Age:41.00 years
Male Median Age:40.70 years
Female Median Age:41.30 years

More Census 2010 Data for ZIP Code 21771

ZIP Code 21771 Other Demographics

# Residential Mailboxes:10,707
# Business Mailboxes:439
Total Delivery Receptacles:12,127
Number of Businesses:752
1st Quarter Payroll:$61,485,000
Annual Payroll:$277,630,000
# of Employees:6,696
Water Area:0.171 sq mi
Land Area:85.063 sq mi
113th Congressional District:07|08
113th Congressional Land Area:488.03|859.85 sq mi
Single Family Delivery Units:9,284
Multi Family Delivery Units:105
# Residential Mailboxes:10,707
# Business Mailboxes:439
Total Delivery Receptacles:12,127

ZIP Code 21771 Social Security Benefits

  2009 2010 Delta
Total Beneficiaries: 3,710 3,835 +125
Retired Workers: 2,600 2,740 +140
Disabled Workers: 340 360 +20
Widow(er)s and Parents: 325 295 -30
Spouses: 175 175 0
Children: 270 265 -5
65+: 2,785 2,890 +105
Monthly Benefits - All: $4,360,000 $4,564,000 +$204,000
Monthly Benefits - Retired Workers: $3,228,000 $3,446,000 +$218,000
Monthly Benefits - Widow(ers): $386,000 $361,000 ($25,000)

ZIP Code 21771 Statistical Areas

CBSA: 47900
CBSA Name: Washington-Arlington-Alexandria, DC-VA-MD-WV
CBSA Type: Metro
CBSA Division: 23224
CBSA Division Name: Frederick-Gaithersburg-Rockville, MD
CBSA Population:5,582,170
CBSA Division Population:1,205,162
MSA: 8872
MSA Name: Washington-Baltimore, DC-MD-VA-WV CMSA
PMSA: 8840
PMSA Name: Washington, DC-MD-VA-WV PMSA
City State Key:V24008
Preferred Last Line Key:V24008
21770: Previous ZIP Code
Next ZIP Code: 21773