US ZIP Code
21207

Gwynn Oak, MD

Baltimore County  ·  Maryland

● Active
👥 49,599 Population
💰 $64,284 Median HH Income
▼ 16% below avg ↑ 12% since 2019
🎂 38.5 Median Age ↓ 5% since 2019
🏠 $248,400 Median Home Value
▼ 11% below avg ↑ 29% since 2019
🎓 41.2% College Grads
≈ Avg
📊 6.5% Unemployment
▲ 32% above avg ↓ 6% since 2019
ZIP Code Details
ZIP Code21207
CityGwynn Oak
StateMaryland (MD)
CountyBaltimore County
Area Code410/443/667
Elevation295 ft
Latitude39.324167
Longitude-76.719484
TimezoneNew York (DST)
FIPS24005
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.8% (23,684) Female 52.3% (25,915) ♀

Race & Ethnicity

White: 8.3%Hispanic: 7.3%Black: 78%Asian: 3.2%Other: 3%Race
White8.3%
Hispanic7.3%
Black78.0%
Asian3.2%
Other3.0%

Age Breakdown

Under 5
7%
5–17
16%
18–24
8%
25–44
27%
45–64
25%
65+
8%

Key Indicators

Median Age38.5 yrs ↓ 5% since 2019
Avg Household Size2.51
Below Poverty13.2% ▲ 32% above avg
College Grads41.2% ≈ Avg
Unemployment6.5% ▲ 32% above avg
No HS Diploma451 (1.4%)
HS Graduate9,469 (29.6%)
Some College4,254 (13.3%)
Associates4,652 (14.5%)
Bachelors2,825 (8.8%)
Graduate Degree10,353 (32.3%)

Education

No HS: 1.4%HS Grad: 29.6%Some College: 13.3%Associates: 14.5%Bachelors: 8.8%Graduate: 32.3%Edu
No HS1.4%
HS Grad29.6%
Some College13.3%
Associates14.5%
Bachelors8.8%
Graduate32.3%
Housing & Income

Housing Tenure

Owner: 61.1%Renter: 38.9%Tenure
Owner61.1%
Renter38.9%

Home Value Distribution

Under $50k
4%
$50k–100k
1%
$100k–150k
8%
$150k–200k
13%
$200k–300k
47%
$300k–500k
25%
Over $500k
2%

Financials

Median HH Income$64,284 ▼ 16% below avg ↑ 12% since 2019
Median Home Value$248,400 ▼ 11% below avg ↑ 29% since 2019
Home/Income Ratio3.9x (nat avg ~3.5x)
Median Rent$1,390/mo ↑ 22% since 2019
Total Units20,974
Vacant Units1,366
Avg HH Size2.51

Income Distribution

Under $25k
18%
$25k–50k
18%
$50k–75k
19%
$75k–100k
14%
$100k–150k
16%
$150k–200k
8%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
79%
Public Transit
7%
Walked
1%
Work From Home
12%

Commute Time

Under 15 min
14%
15–30 min
40%
30–45 min
25%
Over 45 min
21%
Housing Stock

Year Built

Before 1940
5%
1940s–1950s
28%
1960s–1970s
8%
1980s–1990s
3%
2000+
56%

Summary

Total Units20,974
Vacant1,366
Owner Occupied61.1%
Renter Occupied38.9%
Avg HH Size2.51
Frequently Asked Questions
ZIP code 21207 is in Gwynn Oak, MD, in Baltimore County.
ZIP code 21207 is located in Maryland (MD).
ZIP code 21207 is in Baltimore County, MD.
ZIP 21207 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 21207 is 49,599 people (ACS 2023).
The median household income in ZIP code 21207 is $64,284 (ACS 2023).
The median home value in ZIP 21207 is $248,400 (ACS 2023).
About ZIP Code 21207

ZIP code 21207 is located in Gwynn Oak, Maryland, within Baltimore County. With a population of 49,599, this is a highly populated ZIP code with a middle-aged community — the median age is 38.5 years. Economically, 21207 is a solidly middle-class ZIP code: the median household income of $64,284 is below the national average.

Real estate in ZIP code 21207 represents an affordable housing market. The median home value of $248,400 is near the national average. Renters can expect to pay around $1,390 per month in median rent. Homeownership is strong here — 61.1% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 29% since 2019.

The population of 21207 is primarily Black (77.99%). Residents are well-educated — 41.2% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 13.2%. Household income has grown by 12% since 2019.

The unemployment rate in 21207 stands at 6.5%, which is above the national average. About 11% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 72%.

Overall, ZIP code 21207 in Gwynn Oak, MD is characterized as solidly middle-class, well-educated, a middle-aged community, and predominantly owner-occupied. With 49,599 residents, a median household income of $64,284, and a median home value of $248,400, it offers a clear picture of life in this part of Maryland.