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21204

Zip code 21204: Towson, Maryland

Residential delivery areaBaltimore CountyEastern Time
Population
19,845
Median household income
$100K
U.S. $81K
Median home value
$595K
U.S. $333K
Median rent
$1,875/mo
U.S. $1,413
Median age
34.8
U.S. 38.9
Land area
6.3 sq mi
3,169 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 21204

21204 is an urban zip code in Towson, Maryland (Baltimore County), covering 6.3 sq mi of land. About 19,845 people live here, or 3,169 per square mile. The median resident is 34.8 years old, compared with 38.9 nationally.

The median household earns $99,606 a year, 23% above the national median of $80,734. 14.9% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $594,800, or 6.0 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 46% of occupied homes are lived in by their owners, and renters pay a median of $1,875 a month.

73% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 23.8 minutes each way, and 25% of workers work from home. The most common jobs among working residents are in management, healthcare and education.

How 21204 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
34.8
Under 18
15.8%
65 and over
20.5%

Race and ethnicity

  • White70%
  • Black15%
  • Hispanic5%
  • Asian5%
  • Native American0.1%
  • Pacific Islander0%
  • Other0.4%
  • Multiracial5%
Diversity index
47.8
U.S. 61.4
Foreign-born
7.8%
U.S. 14.1%
Born in state
56.8%

Language spoken at home (households)

English only
86%
Spanish
5%
Other Indo-European
5%
Asian / Pacific
3%
Other
0.6%

Households

Households
8,747
Average household size
2.1
Family households
44.5%
Married couples
34.8%
Living alone
39.9%
Veterans (of adults)
3.5%
Male / female
44% / 56%

Income and poverty

Household income distribution

<$25k
15%
$25–50k
10%
$50–75k
14%
$75–100k
12%
$100–150k
16%
$150–200k
11%
$200k+
22%

Median household income

21204
$99,606
Baltimore Co.
$91,768
Maryland
$103,678
United States
$80,734
Per capita income
$67,450
U.S. $44,673
Poverty rate
14.9%
U.S. 12.5%
Households earning $150K+
33.5%
U.S. 23%
Income inequality (Gini)
0.530
U.S. 0.483

Housing

Median home value

21204
$594,800
Baltimore Co.
$349,300
Maryland
$419,900
United States
$332,700

Median gross rent

21204
$1,875
Baltimore Co.
$1,627
Maryland
$1,705
United States
$1,413

Types of housing

Single-family
44%
2–4 units
6%
5–19 units
17%
20+ units
33%
Mobile home
0%
Boat, RV, van
0%
Housing units
9,588
Owner-occupied
45.7%
Vacant
8.8%
Median year built
1975
Median rooms
5.2
Renters paying 30%+ of income
57.7%
Renters paying 50%+ of income
26.5%
Home value to income
6.0× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
62%
Carpooled
5%
Transit
3%
Walked
4%
Bicycle
0.1%
Worked from home
25%
Other
2%

Commute time (one way)

<10 min
17%
10–19
26%
20–29
22%
30–44
24%
45–59
7%
60+
4%
Average commute
23.8 min
U.S. 26.4 min
Unemployment
3.8%
U.S. 5.2%
In labor force
61.7%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
15%
Healthcare
12%
Education
11%
Office and admin
9%
Sales
9%
Business and finance
8%
Engineering and science
7%
Arts, media and sports
6%
Legal and social services
5%
Computer and math
4%
Food service
4%
Cleaning and personal care
4%
Transportation and moving
3%
Production
0.9%
Police and fire
0.9%
Construction and repair
0.7%
Farming, fishing and forestry
0.2%

Industries

Education
19%
Health care and social assistance
16%
Professional and technical services
14%
Retail
8%
Finance, insurance and real estate
7%
Restaurants and hotels
5%
Arts and recreation
5%
Public administration
5%
Manufacturing
4%
Transportation, warehousing and utilities
4%
Other services
4%
Admin, support and management
3%
Information
3%
Construction
2%
Agriculture and mining
1%
Wholesale
0.8%
Median earnings per worker
$66,432
U.S. $49,666
Self-employed
7.4%
U.S. 10%
Government workers
18.6%
U.S. 14.5%
Nonprofit workers
18.7%
U.S. 8.8%

Median earnings by type of work

Type of work21204U.S.
Management, business, science and arts$83,889$74,888
Service$20,985$26,804
Sales and office$42,179$40,476
Construction and maintenance$51,463$49,199
Production and transportation$41,512$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
3%
High school
9%
Some college
10%
Associate's
5%
Bachelor's
36%
Graduate
37%
High school graduate or higher
97%
Bachelor's degree or higher
73.1%
Graduate or professional degree
36.7%
Households with broadband
89.9%
Cable, fiber or DSL
79.2%
No internet access
2.3%
Without health insurance
2.4%
Limited-English households
0.9%

Geography

City (USPS)
Towson
Center point
39.4064° N, 76.6261° W
Land area
6.3 sq mi
Water area
0.1 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Towson (unincorporated)100% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 21204

ZipCityDistanceIncome
21139Riderwood · PO box1.2 mi—
21252Towson1.2 mi—
21284Towson · PO box1.3 mi—
21285Towson1.4 mi—
21093Lutherville Timonium2.3 mi$125,528
21022Brooklandville · PO box2.5 mi—
21286Towson2.8 mi$93,808
21212Baltimore2.8 mi$96,685
21094Lutherville Timonium · PO box2.9 mi—
21209Baltimore2.9 mi$91,437
21210Baltimore3.4 mi$112,428
21239Baltimore3.5 mi$62,650

Zip codes like 21204 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 21204

What city is zip code 21204?

21204 is assigned to Towson, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 21204 in?

21204 is in Baltimore County, Maryland.

What is the population of 21204?

About 19,845 people live in 21204, according to the Census Bureau's American Community Survey.

What time zone is 21204 in?

21204 is in Eastern Time.

What is the median household income in 21204?

The median household income in 21204 is $99,606.

What zip codes are near 21204?

The closest zip codes to 21204 are 21139, 21252, 21284, 21285, 21093.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21204, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.