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

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/MD/ASPEN-HILL

Aspen Hill ZIP codes, Maryland

No ZIP code is named for Aspen Hill, MD; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 20906, 20853 and 20851. Its area codes are 240, 301 and 227.

USPS city name
0 ZIP codes
Overlapping the city
3 more
Population
53,279
Area codes
240, 301, 227

NANPA lists no telephone rate centre for Aspen Hill itself, so these are the area codes of the nearest one, Gaithersburg (2.1 miles). A town on an area-code boundary can differ from its neighbour.

Aspen Hill in numbers

About 53,279 people live in Aspen Hill, in 17,074 households, the 17th-largest of Maryland's 527 census places. The median household income is $111,575 a year, 8% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $570,000 (36% above the Maryland median), and median gross rent is $1,916 a month. The median age is 37.9; 43.3% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 34 minutes.

Population53,279Aspen Hill53,279
Households17,074Aspen Hill17,074
Median age37.9Aspen Hill37.9Maryland39.4US 38.9
Median household income$111,575Aspen Hill$111,575Maryland$103,678US $80,734
Median home value$570,000Aspen Hill$570,000Maryland$419,900US $332,700
Median gross rent$1,916Aspen Hill$1,916Maryland$1,705US $1,413
Bachelor's degree or higher43.3%Aspen Hill43.3%Maryland43.4%US 35.7%
Mean commute34.1 minAspen Hill34.1 minMaryland31.1 minUS 26.4 min
Population density5,605 / sq miAspen Hill5,605 / sq mi

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

ZIP codes covering Aspen Hill

These ZIP codes cover part of Aspen Hill but are addressed as somewhere else.

ZIP codes overlapping Aspen Hill
ZIP City Type Population Median income Median home
20851 Rockville , MD Standard 14,946 $126,411 $568,900
20853 Rockville , MD Standard 31,851 $159,080 $631,900
20906 Silver Spring , MD Standard 70,595 $97,521 $455,800

Map of Aspen Hill ZIP codes

208512085320906

The ZIP codes of Aspen Hill, 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 Aspen Hill

The nearest larger towns are Rockville (67,671 people, 4.0 mi), Silver Spring (81,462 people, 7.1 mi) and Gaithersburg (69,825 people, 7.2 mi).

Towns near Aspen Hill
TownPopulationDistance
Leisure World 8,882 1.0 mi
Layhill 5,497 2.3 mi
Glenmont 17,208 2.5 mi
Wheaton 52,926 3.3 mi
Olney 35,797 3.5 mi
North Kensington 8,954 3.8 mi
Rockville 67,671 4.0 mi
Redland 18,665 4.4 mi
North Bethesda 49,677 4.4 mi
Colesville 14,519 4.6 mi
Cloverly 16,646 4.7 mi
Kemp Mill 13,042 4.9 mi
South Kensington 8,148 5.4 mi
Forest Glen 6,840 5.5 mi

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

Cite this page

zipcodes.pro. “Aspen Hill, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/aspen-hill

Underlying data is public domain or openly licensed — sources, vintages and licences.