US ZIP Code Map
Loading ZIP borders…

Layers

Census place · GEOID 2431175 · Montgomery County

Gaithersburg, MD ZIP codes

5 ZIP/ZCTAs intersecting this Census place in Montgomery County.

ACS 2023 population

69,225

Median household income

$107,496

Median home value

$484,500

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Gaithersburg (GEOID 2431175). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 164,949 (5 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Gaithersburg, MD

Census place boundary and intersecting ZIP Code Tabulation Areas for Gaithersburg, MD
Census place boundary for Gaithersburg, MD. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources
Download PNG

ZIP/ZCTA overlap with Gaithersburg

Population overlap

Share of each ZIP/ZCTA’s population located within Gaithersburg, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Gaithersburg

USPS associates these ZIPs with Gaithersburg

These codes list Gaithersburg as a primary or acceptable city. They are not used for the ACS headline.