US ZIP Code
20905

Silver Spring, MD

Montgomery County  ·  Maryland

● Active
👥 18,268 Population ↓ 2% since 2019
💰 $155,023 Median HH Income
▲ 103% above avg ↑ 19% since 2019
🎂 42.0 Median Age
🏠 $640,400 Median Home Value
▲ 130% above avg ↑ 31% since 2019
🎓 67.1% College Grads
▲ 73% above avg
📊 6.7% Unemployment
▲ 38% above avg ↑ 25% since 2019
ZIP Code Details
ZIP Code20905
CitySilver Spring
StateMaryland (MD)
CountyMontgomery County
Area Code227/301
Elevation528 ft
Latitude39.109866
Longitude-76.988077
TimezoneNew York (DST)
FIPS24031
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.5% (8,856) Female 51.5% (9,412) ♀

Race & Ethnicity

White: 35.3%Hispanic: 16.8%Black: 25.5%Asian: 15.3%Other: 5.6%Race
White35.3%
Hispanic16.8%
Black25.5%
Asian15.3%
Other5.6%

Age Breakdown

Under 5
6%
5–17
17%
18–24
9%
25–44
21%
45–64
29%
65+
8%

Key Indicators

Median Age42.0 yrs
Avg Household Size3.20
Below Poverty5.5% ▼ 45% below avg
College Grads67.1% ▲ 73% above avg
Unemployment6.7% ▲ 38% above avg
No HS Diploma138 (1.2%)
HS Graduate1,638 (14%)
Some College748 (6.4%)
Associates1,331 (11.4%)
Bachelors1,251 (10.7%)
Graduate Degree6,605 (56.4%)

Education

No HS: 1.2%HS Grad: 14%Some College: 6.4%Associates: 11.4%Bachelors: 10.7%Graduate: 56.4%Edu
No HS1.2%
HS Grad14.0%
Some College6.4%
Associates11.4%
Bachelors10.7%
Graduate56.4%
Housing & Income

Housing Tenure

Owner: 87.3%Renter: 12.7%Tenure
Owner87.3%
Renter12.7%

Home Value Distribution

Under $50k
1%
$50k–100k
1%
$100k–150k
1%
$150k–200k
0%
$200k–300k
1%
$300k–500k
14%
Over $500k
82%

Financials

Median HH Income$155,023 ▲ 103% above avg ↑ 19% since 2019
Median Home Value$640,400 ▲ 130% above avg ↑ 31% since 2019
Home/Income Ratio4.1x (nat avg ~3.5x)
Median Rent$2,015/mo ↑ 28% since 2019
Total Units5,866
Vacant Units167
Avg HH Size3.20

Income Distribution

Under $25k
5%
$25k–50k
5%
$50k–75k
11%
$75k–100k
9%
$100k–150k
18%
$150k–200k
19%
Over $200k
33%
Employment & Commute

How People Get to Work

Drove Alone
62%
Public Transit
6%
Walked
1%
Work From Home
31%

Commute Time

Under 15 min
11%
15–30 min
34%
30–45 min
32%
Over 45 min
23%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
10%
1960s–1970s
32%
1980s–1990s
6%
2000+
51%

Summary

Total Units5,866
Vacant167
Owner Occupied87.3%
Renter Occupied12.7%
Avg HH Size3.20
Frequently Asked Questions
ZIP code 20905 is in Silver Spring, MD, in Montgomery County.
ZIP code 20905 is located in Maryland (MD).
ZIP code 20905 is in Montgomery County, MD.
ZIP 20905 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 20905 is 18,268 people (ACS 2023).
The median household income in ZIP code 20905 is $155,023 (ACS 2023).
The median home value in ZIP 20905 is $640,400 (ACS 2023).
About ZIP Code 20905

ZIP code 20905 is located in Silver Spring, Maryland, within Montgomery County. With a population of 18,268, this is a moderately populated ZIP code with a middle-aged community — the median age is 42 years. Economically, 20905 is a affluent ZIP code: the median household income of $155,023 is more than double the national average.

Real estate in ZIP code 20905 represents a premium housing market. The median home value of $640,400 is more than double the national average. Renters can expect to pay around $2,015 per month in median rent. Homeownership is strong here — 87.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 31% since 2019.

The population of 20905 is racially diverse, with White as the largest group at 35.3%. Residents are highly educated — 67.1% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 5.5%. Household income has grown by 19% since 2019.

The unemployment rate in 20905 stands at 6.7%, which is above the national average. A notably high share of workers — 29% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 56%.

Overall, ZIP code 20905 in Silver Spring, MD is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 18,268 residents, a median household income of $155,023, and a median home value of $640,400, it offers a clear picture of life in this part of Maryland.