Zip Code 21771 Map and Profile

Official Zip Code NameMount Airy
Zip Code StateMaryland
Zip Code TypeNon-Unique
Primary County: Frederick
Secondary County: Carroll
Area Code227 / 240 / 301
Current Population:29563
Racial Majority:White 93.07%
Public School Racial Majority:White 86.8%
Unemployment Rate:4.4%
Median Household Income$97547
Average Adjusted Gross Income$101820
School Test Performance:Excellent
Average Commute Time38.3 Minutes
Time Zone:Eastern Standard Time
Elevation Range502 - 787 ft.
Area83 Sqm.
Coordinates(Y,X)39.39041900, -77.15665100

Zip Code 21771 Description

Zip Code 21771 is located in the state of Maryland in the Baltimore metro area. Zip code 21771 is primarily located in Frederick County. Portions of 21771 are also located in Carroll County. The official US Postal Service name for 21771 is MOUNT AIRY, Maryland. Portions of zip code 21771 are contained within or border the city limits of Green Valley, MD, Mount Airy, MD, and Damascus, MD. Zip code 21771 is within area code 240, area code 301 and area code 443. 21771 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in Maryland.

The current unemployment level in 21771 is 4.4% which is higher than the current county unemployment level of 3.9% and is lower than the current state unemployment at 6.6% and lower than the current national unemployment rate at 6.7%.

According the 2010 US Census, the population of 21771 increased to 29563 from 25694 over the past 10 years. The majority ethnicity residing in 21771 is White while the majority ethnicity attending 21771 public schools is White. 11% of students in 21771 public schools receive or are eligible to participate in free or reduced lunch programs.

20142010Change(+/-)
 White 27509 93.07% 26831 +3%
 Black Or African American 564 1.91% 655 -14%
 Hispanic 488 1.65% 1124 -57%
 American Indian Or Alaskan Native 117 0.4% 47 +149%
 Asian 376 1.27% 442 -15%
 Native Hawaiian & Other Pacific Islander 0 0% 8 -100%
 Other Race 24 0.06% 24 -25%
 Two Or More Races 432 1.64% 432 +13%

Zip Code 21771 Race/Ethnicity

 White 86.8%
 Black Or African American 2.4%
 Hispanic 5.3%
 Asian 1.7%
 Hawaii/Pacific Islander 0.1%
 American Indian Or Alaskan Native 0.8%
 Two or More Races 2.9%

Zip Code 21771 Public School Race/Ethnicity Profile

20102000
Total Population2956325694
Male Population49.60%
Female Population50.40%
Total Households9845
Test Score PerformanceExcellent
Percentage of Students Eligible For
Free or Reduced Lunch
11%
Percentage of Public Schools with
Title 1 Status
0.0%
Median Household Income$97547
Income Under $50K Per Year16.70%
Income $50K to $100K Per Year34.60%
Income Above $100K Per Year48.70%
21771 US Congressional District
DistrictRepresentativeParty Affiliation
Maryland District 8Jamie RaskinDemocrat
Maryland District 7Elijah CummingsDemocrat
Related Maps: Map of All Maryland Congressional Districts

Average Real Estate Asking Price$411028
Average Real Estate Sale Price$339894
Current Unemployment Level 4.4%
Previous Month Unemployment Level4.9%
Unemployment Level 1 Year Ago2.4%
2012 Hardiness ZoneZone 7a: 0F to 5F
1990 Hardiness ZoneZone 6a: -10F to -5F
Köppen Climate ClassificationDfa - Humid Continental Hot Summers
Ecoregion 64c - Piedmont Uplands
Average First Frost DatesOctober 11 - 20
Average Last Frost DatesApril 21 - 31

Zip Code 21771 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)23243240505964625544352743
Avg Max Temp (°F)39435364748286847766544464
Avg Precip (In.)3.352.653.763.44.374.213.663.383.993.533.563.2243.07
Core Based Statistical
Area (CBSA)
Baltimore-Towson, MD
CBSA Type21771
CBSA Population2699667
Time ZoneEastern Standard Time
IANA Time ZoneAmerica/New_York
Follows DSTYes
GMT Difference-5 Hours