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ZIP Code Database - Facts & Stats

Zip Code 21771, Mount Airy, MD

ZIP Code 21771 Data

Zip Code:21771
City:Mount Airy
State:MD [Maryland]
Counties:FREDERICK, MD
CARROLL, MD
HOWARD, MD
MONTGOMERY, MD
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
Latitude:39.37407
Longitude:-77.156258
Elevation:290 ft
State FIPS:24
County FIPS:021
Region:South
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 21771 2010 Census Demographics

Current Population:31,698
2010 Population:29,563
Households per ZIP Code:9,845
Average House Value:$397,300
Avg. Income Per Household:$114,719
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:10,637
# Business Mailboxes:434
Total Delivery Receptacles:11,920
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:9,230
Multi Family Delivery Units:105
# Residential Mailboxes:10,637
# Business Mailboxes:434
Total Delivery Receptacles:11,920

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: 43524
CBSA Division Name: Silver Spring-Frederick-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
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