Residential delivery area · Maryland

ZIP Code 20899: Gaithersburg, MD

ZIP code 20899 is in Gaithersburg, Maryland, entirely in Montgomery County (Census 2020 ZIP-county file). About 60 people live there (Census Bureau, ACS 2020-2024), the least populous of Gaithersburg's 5 residential ZIP codes. 8 business establishments had a location in this ZIP code in 2023, 2 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).

ACS2020-24
Census2020
ZBP2023

2national area: Maryland, District of Columbia, North Carolina, South Carolina, Virginia and West Virginia

208sectional center: Suburban, MD (SCF 208)

99delivery area within it

Town: Gaithersburg · 5 residential ZIPs
County: Montgomery County
Census places: Gaithersburg
Metro area: Washington-Arlington-Alexandria, DC-VA-MD-WV
House district: MD-6 119th Congress
State: Maryland
Time zone: Eastern
Land area: 0.1 sq mi · 538 people per sq mi
PO Box ZIPs: 20883, 20884, 20885, 20898 also use the name Gaithersburg

Where is ZIP code 20899?

20899 centers on 39.144°, -77.216° and covers 0.1 square miles of land. It borders 2 ZIP codes: 20877, 20878.

Shaded by median household income, in national fifths (ACS 2020-2024); 20899 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 20899, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

What businesses are in 20899?

Professional, scientific, and technical services4

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 20899?

The ZIP codes around 20899 where people live (100 or more residents), bordering first, then the nearest by center
ZIP	Town	People	Household income	Distance
20877	Gaithersburg	38,546	$93k	1.3 mi
20878	Gaithersburg	66,115	$144k	2.9 mi
20880	Washington Grove	577	$135k	2.2 mi (near)
20886	Montgomery Village	34,718	$99k	3.1 mi (near)
20879	Gaithersburg	25,264	$112k	3.2 mi (near)
20850	Rockville	50,353	$126k	4.3 mi (near)
20876	Germantown	26,406	$120k	4.4 mi (near)
20855	Derwood	17,279	$149k	4.6 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.