ZIP code 20877
Where is ZIP code 20877?
Gaithersburg, Maryland
Montgomery County · Standard ZIP code
ZIP code 20877 belongs to Gaithersburg, Maryland in Montgomery County. 20877 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 227, 240 and 301. About 38,546 people live in the 20877 area, where the median household income is $92,800. The closest ZIP codes are 20880 (Washington Grove, 0.9 mi east), 20813 (Bethesda, 1 mi west) and 20827 (Bethesda, 1 mi west).
| ZIP code | 20877 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Gaithersburg |
| Also accepted | Montgomery Village, Montgomry Vlg |
| State | Maryland (MD) |
| County | Montgomery County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 39.1419, -77.189 map |
| 3-digit prefix | 208 |
Population and income in 20877
| Population | 38,546 · higher than 89% of Maryland ZIP codes |
|---|---|
| People per square mile | 6,842 · higher than 94% of Maryland ZIP codes |
| Median age | 36.8 years · lower than 80% of Maryland ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $92,800 · lower than 59% of Maryland ZIP codes |
| Income per person | $38,973 |
| Below the poverty line | 12% |
| Bachelor’s degree or higher | 33% of adults 25+ |
| Median home value | $474,800 · higher than 65% of Maryland ZIP codes |
| Median rent | $1,887 a month |
| Housing units | 13,272 |
| Households | 12,519 (3.06 people on average) |
| Owners / renters | 43% / 57% |
| Land area | 5.63 sq mi (plus 0.03 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20877. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20877
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20880 | Washington Grove, MD | 0.9 mi E | PO Box only |
| 20813 | Bethesda, MD | 1 mi W | PO Box only |
| 20827 | Bethesda, MD | 1 mi W | PO Box only |
| 20848 | Rockville, MD | 1 mi W | PO Box only |
| 20859 | Potomac, MD | 1 mi W | PO Box only |
| 20875 | Germantown, MD | 1 mi W | PO Box only |
| 20884 | Gaithersburg, MD | 1 mi W | PO Box only |
| 20889 | Bethesda, MD | 1 mi W | Unique |
| 20894 | Bethesda, MD | 1 mi W | Unique |
| 20898 | Gaithersburg, MD | 1 mi W | PO Box only |
| 20899 | Gaithersburg, MD | 1.8 mi W | Unique |
| 20879 | Gaithersburg, MD | 2.2 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20877 or measure the distance to another ZIP code.
How to address mail to 20877
123 MAIN ST
GAITHERSBURG MD 20877
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts MONTGOMERY VILLAGE and MONTGOMRY VLG as the city name for 20877. Adding the 4-digit ZIP+4 code (20877-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Gaithersburg, MD
All Gaithersburg ZIP codes with population and income →
Questions
- What city is ZIP code 20877?
- 20877 is a Gaithersburg, Maryland ZIP code. Montgomery Village and Montgomry Vlg are also accepted as the city name.
- What county is 20877 in?
- ZIP code 20877 is in Montgomery County, Maryland.
- What time zone is ZIP code 20877 in?
- 20877 is in the Eastern Time zone (America/New_York).
- What area code is 20877?
- Phone numbers in ZIP code 20877 use area codes 227, 240 and 301.
- What is the population of ZIP code 20877?
- About 38,546 people live in ZIP code 20877, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20877?
- The median household income in 20877 is $92,800 a year, lower than 59% of Maryland ZIP codes.
- What ZIP codes are near 20877?
- The nearest ZIP codes to 20877 are 20880 (Washington Grove, 0.9 miles), 20813 (Bethesda, 1 miles), 20827 (Bethesda, 1 miles) and 20848 (Rockville, 1 miles).