Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/MD/MOUNT-AIRY

Mount Airy ZIP code, Maryland

The ZIP code for Mount Airy, MD is 21771, and its area codes are 240, 301 and 227.

USPS city name
1 ZIP code
Population
9,805
Area codes
240, 301, 227

Mount Airy in numbers

About 9,805 people live in Mount Airy, in 3,300 households. The median household income is $151,324 a year, 46% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $487,400 (16% above the Maryland median), and median gross rent is $1,854 a month. The median age is 37.8; 54.6% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 33 minutes.

Population9,805Mount Airy9,805
Households3,300Mount Airy3,300
Median age37.8Mount Airy37.8Maryland39.4US 38.9
Median household income$151,324Mount Airy$151,324Maryland$103,678US $80,734
Median home value$487,400Mount Airy$487,400Maryland$419,900US $332,700
Median gross rent$1,854Mount Airy$1,854Maryland$1,705US $1,413
Bachelor's degree or higher54.6%Mount Airy54.6%Maryland43.4%US 35.7%
Mean commute33.0 minMount Airy33.0 minMaryland31.1 minUS 26.4 min
Population density2,371 / sq miMount Airy2,371 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Mount Airy town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Mount Airy

ZIP codes with the USPS city name Mount Airy
ZIP City Type Population Median income Median home
21771 Mount Airy , MD Standard 33,031 $157,302 $556,200

Map of Mount Airy ZIP codes

21771

The ZIP codes of Mount Airy, MD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Mount Airy

The nearest larger towns are Green Valley (13,602 people, 5.1 mi), Damascus (17,640 people, 7.5 mi) and Linganore (14,444 people, 8.3 mi).

Towns near Mount Airy
TownPopulationDistance
Green Valley 13,602 5.1 mi
Monrovia 3,568 6.6 mi
Damascus 17,640 7.5 mi
Linganore 14,444 8.3 mi
Sykesville 4,491 9.7 mi
Spring Ridge 5,922 10.2 mi
Urbana 14,260 10.6 mi
Bartonsville 3,282 10.7 mi
Eldersburg 31,695 10.9 mi
Clarksburg 30,487 12.1 mi
Walkersville 6,414 13.1 mi
Montgomery Village 34,110 13.2 mi
Ballenger Creek 26,390 14.2 mi
Flower Hill 13,794 14.3 mi

More nearby: every ZIP code in Frederick County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Mount Airy, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/mount-airy

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