Gaithersburg city, Maryland
Official LSAD Designation: Gaithersburg city • Census GEOID: 2431175
• Montgomery County
Gaithersburg city is an incorporated city in Montgomery County, Maryland. According to official records from the Census (2025), Gaithersburg city had an estimated population of 71,113 residents. Official Census Bureau geographic records classify this community under LSAD designation Gaithersburg city (GEOID 2431175).
Local Government Administration U.S. Census Bureau GMAF
City Of Gaithersburg
Municipal
Official Title:
Mayor
Address:
31 S SUMMIT AVE, GAITHERSBURG MD 20877-2098
County Of Montgomery
County
Official Title:
County Executive
Address:
101 MONROE ST, FL 2, ROCKVILLE MD 20850-2580
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 71,113 | 2025 |
| Median Household Income | $112,467 | 2020-2024 |
| Median Home Value | $496,500 | 2020-2024 |
| Land Area | 10.35 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).