ZIP Code 21204

ZIP Code Tabulation Area in Baltimore County, Maryland.

Population: 19,605
Median household income: $98,452
Median home value: $571,800

ZIP Code 21204 is a ZIP Code Tabulation Area in Baltimore County, Maryland, home to about 19,605 residents. At $98,452, its median household income sits above Baltimore County's $90,904.

From 2019 to 2023, ZIP Code 21204's population declined 9.0% from 21,545 to 19,605, while its median gross rent rose 18.3% from $1,601 to $1,894.

The median gross rent is $1,894. 72.6% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 19,605
Median age: 34.1 yrs
Median household income: $98,452
Median home value: $571,800
Median gross rent: $1,894
Housing units: 9,529
Homeownership rate: 46.5%
Bachelor's degree or higher: 72.6%
Unemployment rate: 3.2%

Trends

ACS 5-year · 2019–2023

Population

21,54519,605

Median household income

$82,655$98,452

Median home value

$456,000$571,800

Median gross rent

$1,601$1,894

Year	Population	Median household income	Median home value	Median gross rent
2019	21,545	$82,655	$456,000	$1,601
2020	21,518	$85,189	$441,300	$1,661
2021	21,378	$90,032	$449,300	$1,712
2022	20,188	$92,734	$524,900	$1,849
2023	19,605	$98,452	$571,800	$1,894

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 52.9%

5 to 1713.4%

18 to 2419.7%

25 to 3414.5%

35 to 4410.1%

45 to 549.8%

55 to 649.8%

65 to 749.0%

75 and over10.8%

	Count	Share
Under 5	566	2.9%
5 to 17	2,632	13.4%
18 to 24	3,870	19.7%
25 to 34	2,842	14.5%
35 to 44	1,973	10.1%
45 to 54	1,931	9.8%
55 to 64	1,917	9.8%
65 to 74	1,762	9.0%
75 and over	2,112	10.8%

Race & ethnicity

	Count	Share
White (non-Hispanic)	13,733	70.0%
Black or African American	2,943	15.0%
American Indian & Alaska Native	46	0.2%
Asian	1,075	5.5%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	78	0.4%
Two or more races	887	4.5%
Hispanic or Latino (any race)	843	4.3%

Educational attainment (age 25+)

No high school diploma3.7%

High school graduate8.9%

Some college or associate's14.7%

Bachelor's degree37.6%

Graduate or professional degree35.0%

	Count	Share
No high school diploma	469	3.7%
High school graduate	1,115	8.9%
Some college or associate's	1,847	14.7%
Bachelor's degree	4,713	37.6%
Graduate or professional degree	4,393	35.0%

Commute to work

Mean travel time to work: 24 min

Drove alone66.6%

Carpooled5.4%

Public transit1.6%

Walked3.9%

Bicycle0.0%

Worked from home21.4%

Other means1.2%

How workers get to work

	Count	Share
Drove alone	6,567	66.6%
Carpooled	536	5.4%
Public transit	153	1.6%
Walked	380	3.9%
Bicycle	2	0.0%
Worked from home	2,113	21.4%
Other means	116	1.2%

Travel time

	Count	Share
Under 15 min	2,321	29.9%
15 to 29 min	2,708	34.9%
30 to 44 min	1,871	24.1%
45 to 59 min	392	5.1%
60+ min	462	6.0%

Households

Average household size: 2.06
Poverty rate: 14.9% (2,632 of 17,701)

	Count	Share
Family households	3,918	45.7%
Nonfamily households	4,646	54.3%

Housing

Median year structure built: 1975

Occupancy

	Count	Share
Occupied	8,564	89.9%
Vacant	965	10.1%

Tenure (of occupied units)

	Count	Share
Owner-occupied	3,980	46.5%
Renter-occupied	4,584	53.5%

1-unit, detached34.5%

1-unit, attached10.1%

2 to 4 units4.9%

5 to 19 units17.3%

20 or more units33.2%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	3,292	34.5%
1-unit, attached	962	10.1%
2 to 4 units	463	4.9%
5 to 19 units	1,645	17.3%
20 or more units	3,167	33.2%
Mobile home & other	0	0.0%

ZIP Code 21204

Demographics

Trends

Age distribution

Race & ethnicity

Educational attainment (age 25+)

Commute to work

Households

Housing

Geography

Counties this ZIP covers

Compare with nearby ZIP codes

National ZIP rankings

Nearby ZIP codes