HousingHandbookReference data

U.S. ZIP Code · MD21234

Baltimore County · Baltimore-Columbia-Towson, MD

Typical home value

$304,866[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+0.6%
5-year / yr
+3.7%
10-year / yr
+4.1%

Relative price

vs U.S.
+7.3%
vs metro
-37.5%
vs state
-32.3%
ZIP 21234 location in MD
Location of ZIP 21234 in MD

Price history

Zillow Home Value Index — monthly, smoothed and seasonally adjusted.

The typical home in 21234 is worth $304,866 — 37.5% below the Baltimore-Columbia-Towson, MD median. Over the past year, values have risen 0.6%. Homes here rent for a typical $1,705 a month — a 6.7% gross rental yield. The effective property tax rate is 1.1%.

#Rent & investment

Typical asking rent, and the returns it implies at the current home value.

Monthly rent
$1,705[2]
Gross yield
6.7%[2]
Cap rate
4.0%[2]

#Property tax

Effective rate — total real estate taxes paid relative to total home value.

Effective tax rate
1.1%[3]
Typical annual tax
$3,455[3]

#Climate risk

FEMA National Risk Index ratings for Baltimore County. "Not Applicable" means the hazard does not threaten the county.

Overall risk
Relatively Moderate[4]
Riverine flood
Relatively High
Coastal flood
Relatively Moderate
Wildfire
Very Low
Drought
Relatively Moderate
Heat wave
Relatively High
Hurricane
Relatively Moderate
Tornado
Relatively Moderate
Earthquake
Relatively Moderate
Winter weather
Very High

#Who lives here

Population
66,334[3]
Median household income
$83,517[3]

#Migration

Household moves in and out of Baltimore County over a year, from IRS tax-return data.

Net migration
-2,556[5]
Moved in
22,058
Moved out
24,614

Schools

Open public schools in this ZIP, from the NCES Common Core of Data.

Public schools
12
Elementary
9
Middle
2
High
1
  • Parkville High

    High · Grades 9–12 · Baltimore County Public Schools

    2,021 students

  • Parkville Middle

    Middle · Grades 6–8 · Baltimore County Public Schools

    1,022 students

  • Pine Grove Middle

    Middle · Grades 6–8 · Baltimore County Public Schools

    853 students

  • Villa Cresta Elementary

    Elementary · Grades PK–5 · Baltimore County Public Schools

    616 students

  • Oakleigh Elementary

    Elementary · Grades PK–5 · Baltimore County Public Schools

    527 students

Run the numbers

Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.

Gross yield6.7%
Net yield (after ~40% expenses)4.0%
Annual rent$20,457

Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.

Monthly payment$1,542
Loan principal$243,893
Down payment$60,973
Total interest paid$311,072

Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.

Own : rent ratio1.22
Monthly cost to own$2,083
Monthly rent$1,705

Renting is meaningfully cheaper month-to-month.

This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.

#Metro ranking

Where this ZIP sits among others in its metro area.

Appreciation
43rd percentile[1]
Rental yield
67th percentile[2]
Property tax
84th percentile[3]

Rankings

Top-10 lists this ZIP code appears on.

Frequently asked

How much is a home worth in ZIP code 21234?
The typical home in 21234 is worth $304,866, based on the Zillow Home Value Index.
Are home values rising in 21234?
Home values in 21234 are up 0.6% over the past year, and up 3.7% a year over five years.
What is the typical rent in 21234?
A typical home in 21234 rents for about $1,705 a month, a gross rental yield of 6.7%.
What is the property tax rate in 21234?
The effective property tax rate in 21234 is 1.1% — roughly $3,455 a year on a typical home.
Who lives in 21234?
ZIP code 21234 has a population of 66,334 and a median household income of $83,517.

#Comparable ZIPs

Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.

  • Arbutus CDP, MD

    Typical home
    $308,874
    Gross yield
    6.3%
  • Marydel, MD

    Typical home
    $313,857
    Gross yield
  • Baltimore, MD

    Typical home
    $295,371
    Gross yield
    8.6%
  • Essex CDP, MD

    Typical home
    $294,463
    Gross yield
    6.8%
  • Baltimore, MD

    Typical home
    $316,497
    Gross yield
    5.4%
  • Rosedale CDP, MD

    Typical home
    $318,645
    Gross yield
    6.7%

Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →

Compare ZIPs

Pit ZIP 21234 against any other ZIP — full side-by-side table.

Compare 21234

#Jump to section