ZIP code 20854
Where is ZIP code 20854?
Potomac, Maryland
Montgomery County · Standard ZIP code
ZIP code 20854 belongs to Potomac, Maryland in Montgomery County. 20854 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, 301, 571 and 703. About 50,498 people live in the 20854 area, where the median household income is $250,001. The closest ZIP codes are 20850 (Rockville, 3.6 mi north), 20847 (Rockville, 3.8 mi northeast) and 20849 (Rockville, 3.8 mi northeast).
| ZIP code | 20854 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Potomac |
| Also accepted | Rockville |
| State | Maryland (MD) |
| County | Montgomery County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301, 571, 703 |
| Coordinates | 39.0388, -77.1922 map |
| 3-digit prefix | 208 |
Population and income in 20854
| Population | 50,498 · higher than 97% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,492 · higher than 71% of Maryland ZIP codes |
| Median age | 47.7 years · higher than 76% of Maryland ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $250,001 · higher than 99% of Maryland ZIP codes |
| Income per person | $114,794 |
| Below the poverty line | 2.6% |
| Bachelor’s degree or higher | 86% of adults 25+ |
| Median home value | $1,165,400 · higher than 99% of Maryland ZIP codes |
| Median rent | $3,501 a month |
| Housing units | 17,311 |
| Households | 16,751 (2.98 people on average) |
| Owners / renters | 89% / 11% |
| Land area | 33.85 sq mi (plus 3.03 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20854. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20854
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20850 | Rockville, MD | 3.6 mi N | Standard |
| 20847 | Rockville, MD | 3.8 mi NE | PO Box only |
| 20849 | Rockville, MD | 3.8 mi NE | PO Box only |
| 20857 | Rockville, MD | 3.8 mi NE | Unique |
| 20883 | Gaithersburg, MD | 3.9 mi NE | PO Box only |
| 20852 | Rockville, MD | 3.9 mi E | Standard |
| 20817 | Bethesda, MD | 4 mi SE | Standard |
| 20851 | Rockville, MD | 4.5 mi NE | Standard |
| 20818 | Cabin John, MD | 4.8 mi S | Standard |
| 20896 | Garrett Park, MD | 5.3 mi E | PO Box only |
| 20892 | Bethesda, MD | 5.4 mi SE | Unique |
| 20812 | Glen Echo, MD | 5.5 mi SE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20854 or measure the distance to another ZIP code.
How to address mail to 20854
123 MAIN ST
POTOMAC MD 20854
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts ROCKVILLE as the city name for 20854. Adding the 4-digit ZIP+4 code (20854-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Potomac, MD
All Potomac ZIP codes with population and income →
Questions
- What city is ZIP code 20854?
- 20854 is a Potomac, Maryland ZIP code. Rockville is also accepted as the city name.
- What county is 20854 in?
- ZIP code 20854 is in Montgomery County, Maryland.
- What time zone is ZIP code 20854 in?
- 20854 is in the Eastern Time zone (America/New_York).
- What area code is 20854?
- Phone numbers in ZIP code 20854 use area codes 227, 240, 301, 571 and 703.
- What is the population of ZIP code 20854?
- About 50,498 people live in ZIP code 20854, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20854?
- The median household income in 20854 is $250,001 a year, higher than 99% of Maryland ZIP codes.
- What ZIP codes are near 20854?
- The nearest ZIP codes to 20854 are 20850 (Rockville, 3.6 miles), 20847 (Rockville, 3.8 miles), 20849 (Rockville, 3.8 miles) and 20857 (Rockville, 3.8 miles).