Zip Code 20904
Silver Spring, Maryland — Montgomery County
📍 ZIP code 20904 is in Silver Spring, Montgomery County, Maryland.
ZIP code 20904 is located in Silver Spring, Montgomery County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 57,244. The area code for ZIP code 20904 is 301.
Quick Answer
Zip code 20904 is in Silver Spring, Maryland (Montgomery County). It has a population of 57,244, median household income of $93,322, and median home value of $533,500.
Population
57,244
Income
$93,322
Home Value
$533,500
Climate
87°F / 25°F
About Zip Code 20904
Zip code 20904 is located in Silver Spring, Maryland, within Montgomery County. Home to approximately 57,244 residents, this area sits at an elevation of 344 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 301.
The median household income is $93,322 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $533,500, and the cost of living index is 153 (53% above the national average of 100).
Summers average a high of 87°F while winters drop to 25°F. The area receives about 44 in of rain and 16 in of snow annually. The zip code covers 13.7 square miles of land area.
Key Statistics
57,244
$93,322
$533,500
Eastern (EST/EDT)
301
344 ft
13.7 sq mi
40.1
22,366
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Compare With Nearby Zip Codes
| Metric | 20904 | 20905 | 20903 | 20901 | 20902 | 20866 |
|---|---|---|---|---|---|---|
| City | Silver Spring, MD | Silver Spring, MD | Silver Spring, MD | Silver Spring, MD | Silver Spring, MD | Burtonsville, MD |
| Population | 57,244 | 18,268 | 25,540 | 37,338 | 53,170 | 16,499 |
| Median Income | $93,322 | $155,023 | $77,349 | $127,133 | $111,408 | $134,682 |
| Home Value | $533,500 | $640,400 | $467,900 | $571,300 | $531,200 | $434,400 |
| Cost of Living | 153 | 209 | 139 | 183 | 161 | 164 |
| Median Age | 40.1 | 42 | 33.3 | 39.7 | 37 | 38.1 |
Cost of Living
100 = National Average. Silver Spring's cost of living is 53% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
5.7x
Demographics
Zip code 20904 has a population of 57,244 people with a median age of 40.1. There are 22,366 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Silver Spring (20904) population trend from 2010 to 2024
↑ 22.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
25°F
44 in
16 in
Silver Spring experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 25°F. The area receives about 16 in of snow per year.
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Housing & Economy
Median Home Value
$533,500
Median Household Income
$93,322
With 22,366 housing units across 13.7 square miles, 20904 has a housing density of 1,633 units per square mile. The home price-to-income ratio is 5.7x.
Location & Geography
Latitude
39.0666°
Longitude
-76.9807°
Land Area
13.7 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 20904 (Silver Spring, MD) with distances:
All Zip Codes in Silver Spring, MD
Other zip codes serving Silver Spring:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 20904's $93,322. A way to compare Silver Spring to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 20904 (Silver Spring, MD). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Silver Spring, Maryland?
Silver Spring, Maryland uses zip code 20904 along with 7 other zip codes.
What county is zip code 20904 in?
Zip code 20904 is located in Montgomery County, Maryland.
What is the population of zip code 20904?
The population of zip code 20904 is 57,244 with a median age of 40.1.
Is 20904 in Silver Spring, Maryland?
Yes, zip code 20904 is in Silver Spring, Montgomery County, Maryland. The area code is 301.
Frequently Asked Questions
What city is zip code 20904 in?
Zip code 20904 is in Silver Spring, Maryland. It is part of Montgomery County and uses the Eastern (EST/EDT) timezone.
What is zip code 20904?
Zip code 20904 is a U.S. postal code in Silver Spring, Maryland (Montgomery County). It has a population of 57,244 and covers 13.7 square miles.
What is the population of zip code 20904?
The population of zip code 20904 (Silver Spring, MD) is 57,244 with a median age of 40.1. There are approximately 22,366 housing units in this area.
What is the median income in zip code 20904?
The median household income in zip code 20904 (Silver Spring, MD) is $93,322 per year. The cost of living index is 153 (100 = national average).
What is the average home price in zip code 20904?
The median home value in zip code 20904 (Silver Spring, MD) is $533,500. The cost of living index is 153 compared to the national average of 100.
What county is zip code 20904 in?
Zip code 20904 is located in Montgomery County, Maryland. The primary city is Silver Spring.
What is the area code for zip code 20904?
Zip code 20904 in Silver Spring, MD uses area code 301. It is located in the Eastern (EST/EDT) timezone.
Is zip code 20904 a good place to live?
Zip code 20904 (Silver Spring, MD) has a cost of living index of 153 (100 = national average), a median household income of $93,322, and median home values of $533,500. The median age is 40.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 20904?
The cost of living index for zip code 20904 (Silver Spring, MD) is 153, where 100 represents the national average. This area is above the national average. Median home value: $533,500.
What schools serve zip code 20904?
Zip code 20904 in Silver Spring, Maryland is served by the local school district of Montgomery County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.