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/FLOWER-HILL

Flower Hill ZIP codes, Maryland

No ZIP code is named for Flower Hill, MD; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 20877 and 20879. Its area codes are 240, 301 and 227.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
13,794
Area codes
240, 301, 227

NANPA lists no telephone rate centre for Flower Hill itself, so these are the area codes of the nearest one, Gaithersburg (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Flower Hill in numbers

About 13,794 people live in Flower Hill, in 4,331 households. The median household income is $112,975 a year, 9% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $463,500 (10% above the Maryland median), and median gross rent is $2,137 a month. The median age is 36.3; 42.5% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 32 minutes.

Population13,794Flower Hill13,794
Households4,331Flower Hill4,331
Median age36.3Flower Hill36.3Maryland39.4US 38.9
Median household income$112,975Flower Hill$112,975Maryland$103,678US $80,734
Median home value$463,500Flower Hill$463,500Maryland$419,900US $332,700
Median gross rent$2,137Flower Hill$2,137Maryland$1,705US $1,413
Bachelor's degree or higher42.5%Flower Hill42.5%Maryland43.4%US 35.7%
Mean commute32.1 minFlower Hill32.1 minMaryland31.1 minUS 26.4 min
Population density6,587 / sq miFlower Hill6,587 / sq mi

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

ZIP codes covering Flower Hill

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

ZIP codes overlapping Flower Hill
ZIP City Type Population Median income Median home
20877 Gaithersburg , MD Standard 38,546 $92,800 $474,800
20879 Gaithersburg , MD Standard 25,264 $112,104 $468,100

Map of Flower Hill ZIP codes

2087720879

The ZIP codes of Flower 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 Flower Hill

The nearest larger towns are Gaithersburg (69,825 people, 1.5 mi), Montgomery Village (34,110 people, 1.8 mi) and Redland (18,665 people, 3.2 mi).

Towns near Flower Hill
TownPopulationDistance
Gaithersburg 69,825 1.5 mi
Montgomery Village 34,110 1.8 mi
Redland 18,665 3.2 mi
Germantown 90,719 4.3 mi
North Potomac 23,922 5.7 mi
Clarksburg 30,487 5.8 mi
Rockville 67,671 6.1 mi
Olney 35,797 6.3 mi
Damascus 17,640 7.1 mi
Aspen Hill 53,279 7.5 mi
Leisure World 8,882 7.6 mi
Travilah 11,721 8.3 mi
Darnestown 7,051 8.8 mi
Layhill 5,497 9.5 mi

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

Cite this page

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

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