Residential delivery area · Maryland
ZIP Code 20904: Silver Spring, MD
ZIP code 20904 uses the postal name Silver Spring, Maryland and lies mostly in Montgomery County (98% of its land) with the rest in Prince George's County (Census 2020 ZIP-county file). About 59,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Silver Spring's 7 residential ZIP codes. Median household income is $96,025 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Colesville (37%), Calverton (23%), Fairland (22%) and White Oak (14%), and 4% in smaller places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Silver Spring · 7 residential ZIPs
- County
- Montgomery County (98%); Prince George's County (2%)
- Census places
- Colesville (37%) census-designated place; Calverton (23%) census-designated place; Fairland (22%) census-designated place; White Oak (14%) census-designated place
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- House districts
- MD-8 (81%), MD-4 (19%) 119th Congress, by share of land
- State
- Maryland
- Time zone
- Eastern
- Land area
- 13.7 sq mi · 4,272 people per sq mi
- PO Box ZIPs
- 9 more ZIP codes use the name Silver Spring for PO boxes or single organizations
Where is ZIP code 20904?
20904 centers on 39.070°, -76.977° and covers 13.7 square miles of land plus 0.0 of water. It borders 9 ZIP codes: 20905, 20903, 20866, 20901, 20902, 20906, 20705, 20783, 20707.
The map draws ZIP code areas only. For the streets inside 20904, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 20904 compare with the rest of Silver Spring?
| Measure | 20904 | In Silver Spring | In Montgomery County | In MD |
|---|---|---|---|---|
| People (ACS 2020-2024) | 58,646 | 2nd of 7 | 4th of 53 | 9th of 477 |
| Median household income | $96k | 6th of 7 | 38th of 41 | 180th of 293 |
| Median home value | $560k | 4th of 7 | 28th of 41 | 70th of 320 |
Its median household income is higher than in 78% of U.S. residential ZIP codes, and it is denser than 92% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 20904?
The 2020 Census counted 59,051 people in 20904; the ACS, which samples households over 2020-2024, estimates 58,646. Between the 2010 and 2020 censuses its population grew 8.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 58,646
- 2020 Census count
- 59,051+8.1% since 2010 (54,612)
- Households
- 21,212
- Median age
- 40.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 20904?
Of the 58,646 people the ACS estimates in 20904, 22.8% are under 18 and 20.9% are 65 or older. The largest group by race and Hispanic origin is Black (not Hispanic) (48.6%), then White (not Hispanic) (20.3%).
- Under 1822.8%
- 18 to 6456.3%
- 65 and older20.9%
- Black, not Hispanic48.6%
- White, not Hispanic20.3%
- Hispanic or Latino16.7%
- Asian, not Hispanic10.1%
- Other or two or more4.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 20904 earn?
Median household income is $96,025 (ACS 2020-2024), the 38th highest of the 41 ranked ZIP codes in Montgomery County. It fell from $104,755 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $96,025
- Income per person
- $49,492
- Below the poverty line
- 9.3%
- Unemployed (of the labor force)
- 5.8%
- Adults 25+ with a bachelor's degree
- 50.3%
- Adjusted gross income per tax return, 2022
- $79,87530,000 returns; wages 67% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 20904?
FHFA's house price index for 20904, built from repeat sales and appraisals of the same homes, rose 61% from 2015 to 2025 and rose 39% from 2020 to 2025, and moved +5.0% in 2025.
- Median home value (owners' estimate)
- $560,000
- Median gross rent
- $1,918
- Homes owned by their occupants
- 48.9%
- Housing units
- 22,261
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 20904?
970 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance202
- Professional, scientific, and technical services130
- Construction102
- Retail trade99
- Other services (except public administration)88
- Accommodation and food services79
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 20904?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 20905 | Silver Spring | 19,004 | $160k | 2.8 mi |
| 20903 | Silver Spring | 24,815 | $81k | 3.4 mi |
| 20866 | Burtonsville | 15,986 | $140k | 3.6 mi |
| 20901 | Silver Spring | 36,435 | $131k | 3.8 mi |
| 20902 | Silver Spring | 54,261 | $115k | 3.9 mi |
| 20906 | Silver Spring | 70,595 | $98k | 4.3 mi |
| 20705 | Beltsville | 28,713 | $110k | 4.5 mi |
| 20783 | Hyattsville | 50,333 | $87k | 5.1 mi |
| 20707 | Laurel | 37,278 | $108k | 5.3 mi |
| 20868 | Spencerville | 198 | $143k | 3.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.