Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
69,657
People
Median age
37.8
Housing
Total households
25,772
Income
Median household income
$112,467
Housing
Total housing units
27,280
Employment
Employment rate
69.5%
Education
Bachelor’s degree or higher
52.5%
Healthcare
Insured population
85.6%
City details
Local time 03:14:35(ET)| Location | Gaithersburg, MD |
|---|---|
| Population (ZIP areas) | 143,758(sum of local ZIP code populations) |
| Total ZIP codes | 9total |
| ZIP codes (by type) | 4 Standard4 PO Box1 Unique |
| County | Montgomery |
| Area code | |
| Timezone | Eastern Time (ET) |
| Coordinates | 39.18172685454932, -77.18993023801937 |
| Land area | 72.6 sq miles(187,934,664 m²) |
Map of Gaithersburg, Maryland with ZIP codes
ZIP Codes in Gaithersburg
Explore the ZIP codes that make up Gaithersburg. Analyze key demographics and population stats for the region using the comprehensive table below.
| ZIP | Type | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 20877 | Standard | $92,800 | 37,577 |
| 20878 | Standard | $144,313 | 65,990 |
| 20879 | Standard | $112,104 | 26,176 |
| 20882 | Standard | $184,136 | 13,890 |
| 20883 | PO BOX | — | — |
| 20884 | PO BOX | — | — |
| 20885 | PO BOX | — | — |
| 20898 | PO BOX | — | — |
| 20899 | Unique | $24,417 | 125 |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP type legend
- Standard: residential and business delivery areas
- PO BOX: primarily post office boxes; population may be unavailable
- Unique: high-volume organizations (universities, agencies, etc.)
Nearby cities
Other cities near Gaithersburg, MD.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS