ZIP code 20842
Where is ZIP code 20842?
Dickerson, Maryland
Montgomery County · Standard ZIP code
ZIP code 20842 belongs to Dickerson, Maryland in Montgomery County. 20842 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 2,369 people live in the 20842 area, where the median household income is $204,013. The closest ZIP codes are 20839 (Beallsville, 2.4 mi south), 20838 (Barnesville, 2.4 mi east) and 20837 (Poolesville, 5.2 mi south).
| ZIP code | 20842 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Dickerson |
| State | Maryland (MD) |
| County | Montgomery County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301, 571, 703 |
| Coordinates | 39.2126, -77.4199 map |
| 3-digit prefix | 208 |
Population and income in 20842
| Population | 2,369 · lower than 64% of Maryland ZIP codes |
|---|---|
| People per square mile | 43 · lower than 90% of Maryland ZIP codes |
| Median age | 48.5 years · higher than 78% of Maryland ZIP codes |
| Men / women | 49% / 52% |
| Median household income | $204,013 · higher than 94% of Maryland ZIP codes |
| Income per person | $82,106 |
| Below the poverty line | 1.2% |
| Bachelor’s degree or higher | 52% of adults 25+ |
| Median home value | $745,800 · higher than 92% of Maryland ZIP codes |
| Median rent | $1,777 a month |
| Housing units | 855 |
| Households | 802 (2.95 people on average) |
| Owners / renters | 82% / 18% |
| Land area | 55.65 sq mi (plus 2.43 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20842. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20842
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20839 | Beallsville, MD | 2.4 mi S | Standard |
| 20838 | Barnesville, MD | 2.4 mi E | Standard |
| 20837 | Poolesville, MD | 5.2 mi S | Standard |
| 20841 | Boyds, MD | 5.5 mi E | Standard |
| 21710 | Adamstown, MD | 5.7 mi N | Standard |
| 21790 | Tuscarora, MD | 6.1 mi NW | Standard |
| 20176 | Leesburg, VA | 6.6 mi W | Standard |
| 21777 | Point Of Rocks, MD | 7.6 mi NW | Standard |
| 20871 | Clarksburg, MD | 7.7 mi E | Standard |
| 21717 | Buckeystown, MD | 8.2 mi N | PO Box only |
| 20874 | Germantown, MD | 9.1 mi SE | Standard |
| 21704 | Frederick, MD | 9.4 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20842 or measure the distance to another ZIP code.
How to address mail to 20842
123 MAIN ST
DICKERSON MD 20842
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Comus: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (20842-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 20842?
- 20842 is a Dickerson, Maryland ZIP code.
- What county is 20842 in?
- ZIP code 20842 is in Montgomery County, Maryland.
- What time zone is ZIP code 20842 in?
- 20842 is in the Eastern Time zone (America/New_York).
- What area code is 20842?
- Phone numbers in ZIP code 20842 use area codes 227, 240, 301, 571 and 703.
- What is the population of ZIP code 20842?
- About 2,369 people live in ZIP code 20842, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20842?
- The median household income in 20842 is $204,013 a year, higher than 94% of Maryland ZIP codes.
- What ZIP codes are near 20842?
- The nearest ZIP codes to 20842 are 20839 (Beallsville, 2.4 miles), 20838 (Barnesville, 2.4 miles), 20837 (Poolesville, 5.2 miles) and 20841 (Boyds, 5.5 miles).