ZIP code 20905
Where is ZIP code 20905?
Silver Spring, Maryland
Montgomery County · Standard ZIP code
ZIP code 20905 belongs to Silver Spring, Maryland in Montgomery County. 20905 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 19,004 people live in the 20905 area, where the median household income is $159,740. The closest ZIP codes are 20868 (Spencerville, 1.9 mi east), 20861 (Ashton, 2.6 mi north) and 20860 (Sandy Spring, 2.8 mi northwest).
| ZIP code | 20905 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Silver Spring |
| Also accepted | Colesville, Sandy Spring |
| State | Maryland (MD) |
| County | Montgomery County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301 |
| Coordinates | 39.1148, -77.0059 map |
| 3-digit prefix | 209 |
Population and income in 20905
| Population | 19,004 · higher than 72% of Maryland ZIP codes |
|---|---|
| People per square mile | 1,612 · higher than 72% of Maryland ZIP codes |
| Median age | 44.8 years · higher than 66% of Maryland ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $159,740 · higher than 84% of Maryland ZIP codes |
| Income per person | $59,049 |
| Below the poverty line | 5.7% |
| Bachelor’s degree or higher | 57% of adults 25+ |
| Median home value | $656,700 · higher than 88% of Maryland ZIP codes |
| Median rent | $2,105 a month |
| Housing units | 6,119 |
| Households | 5,899 (3.22 people on average) |
| Owners / renters | 87% / 13% |
| Land area | 11.79 sq mi (plus 0.1 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 20905. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 20905
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 20868 | Spencerville, MD | 1.9 mi E | Standard |
| 20861 | Ashton, MD | 2.6 mi N | Standard |
| 20860 | Sandy Spring, MD | 2.8 mi NW | Standard |
| 20904 | Silver Spring, MD | 3.4 mi S | Standard |
| 20897 | Suburb Maryland Fac, MD | 3.4 mi SW | Unique |
| 20906 | Silver Spring, MD | 3.7 mi SW | Standard |
| 20866 | Burtonsville, MD | 4.2 mi E | Standard |
| 20830 | Olney, MD | 4.3 mi NW | PO Box only |
| 20832 | Olney, MD | 4.5 mi NW | Standard |
| 20759 | Fulton, MD | 4.7 mi NE | Standard |
| 20862 | Brinklow, MD | 4.8 mi N | Standard |
| 20853 | Rockville, MD | 5.1 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 20905 or measure the distance to another ZIP code.
How to address mail to 20905
123 MAIN ST
SILVER SPRING MD 20905
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts COLESVILLE and SANDY SPRING as the city name for 20905. Avoid Cloverly: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (20905-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Silver Spring, MD
All Silver Spring ZIP codes with population and income →
Questions
- What city is ZIP code 20905?
- 20905 is a Silver Spring, Maryland ZIP code. Colesville and Sandy Spring are also accepted as the city name.
- What county is 20905 in?
- ZIP code 20905 is in Montgomery County, Maryland.
- What time zone is ZIP code 20905 in?
- 20905 is in the Eastern Time zone (America/New_York).
- What area code is 20905?
- Phone numbers in ZIP code 20905 use area codes 227, 240 and 301.
- What is the population of ZIP code 20905?
- About 19,004 people live in ZIP code 20905, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 20905?
- The median household income in 20905 is $159,740 a year, higher than 84% of Maryland ZIP codes.
- What ZIP codes are near 20905?
- The nearest ZIP codes to 20905 are 20868 (Spencerville, 1.9 miles), 20861 (Ashton, 2.6 miles), 20860 (Sandy Spring, 2.8 miles) and 20904 (Silver Spring, 3.4 miles).