US Census Data

ZIP Code 21234

ZIP Code Tabulation Area in Baltimore County, Maryland.

Population
65,010
-4.9%’19–’23
Median household income
$83,139
+24.6%’19–’23
Median home value
$276,000
+24.2%’19–’23

ZIP Code 21234 is a ZIP Code Tabulation Area in Baltimore County, Maryland, home to about 65,010 residents. At $83,139, its median household income sits below Baltimore County's $90,904.

Between 2019 and 2023, ZIP Code 21234's population declined 4.9% from 68,381 to 65,010, while its median gross rent rose 20.1% from $1,284 to $1,542.

White (non-Hispanic) residents are the largest group, 57.9% of the population. 73.5% of workers drive to work alone.

Demographics

ACS 2019–2023
Population
65,010
Median age
40.7 yrs
Median household income
$83,139
Median home value
$276,000
Median gross rent
$1,542
Housing units
29,575
Homeownership rate
65.2%
Bachelor's degree or higher
36.5%
Unemployment rate
3.5%

Trends

ACS 5-year · 2019–2023
Population
68,38165,010
Median household income
$66,714$83,139
Median home value
$222,300$276,000
Median gross rent
$1,284$1,542
YearPopulationMedian household incomeMedian home valueMedian gross rent
201968,381$66,714$222,300$1,284
202068,678$70,870$226,500$1,334
202166,011$73,377$232,800$1,381
202266,095$80,692$263,100$1,455
202365,010$83,139$276,000$1,542

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

Age distribution

CountShare
Under 53,9186.0%
5 to 179,71314.9%
18 to 244,5737.0%
25 to 348,86013.6%
35 to 449,20614.2%
45 to 548,24512.7%
55 to 648,18712.6%
65 to 746,2059.5%
75 and over6,1039.4%

Race & ethnicity

CountShare
White (non-Hispanic)37,64257.9%
Black or African American18,46928.4%
American Indian & Alaska Native820.1%
Asian3,3145.1%
Native Hawaiian & Pacific Islander00.0%
Some other race2820.4%
Two or more races2,0683.2%
Hispanic or Latino (any race)3,1534.9%

Educational attainment (age 25+)

CountShare
No high school diploma3,2737.0%
High school graduate12,32426.3%
Some college or associate's14,14430.2%
Bachelor's degree10,27121.9%
Graduate or professional degree6,79414.5%

Commute to work

Mean travel time to work
28 min

How workers get to work

CountShare
Drove alone24,32273.5%
Carpooled2,8718.7%
Public transit7282.2%
Walked3070.9%
Bicycle00.0%
Worked from home4,40013.3%
Other means4471.4%

Travel time

CountShare
Under 15 min4,22614.7%
15 to 29 min12,34643.1%
30 to 44 min7,33125.6%
45 to 59 min2,5528.9%
60+ min2,2207.7%

Households

Average household size
2.36
Poverty rate
7.2% (4,617 of 64,347)
CountShare
Family households16,50360.5%
Nonfamily households10,75539.5%

Housing

Median year structure built
1964

Occupancy

CountShare
Occupied27,25892.2%
Vacant2,3177.8%

Tenure (of occupied units)

CountShare
Owner-occupied17,77065.2%
Renter-occupied9,48834.8%

Units in structure

CountShare
1-unit, detached13,61746.0%
1-unit, attached7,28524.6%
2 to 4 units1,4464.9%
5 to 19 units4,74116.0%
20 or more units2,4408.3%
Mobile home & other460.2%

Geography

ZCTA
21234
Land area
13 sq mi
Water area
0 sq mi
Center point
39.3933, -76.5318

Counties this ZIP covers

2

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

14