HousingHandbookReference data

U.S. ZIP Code · MD21204

Baltimore County · Baltimore-Columbia-Towson, MD

Typical home value

$601,625[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+1.4%
5-year / yr
+3.7%
10-year / yr
+3.4%

Relative price

vs U.S.
+111.8%
vs metro
+23.4%
vs state
+33.5%
ZIP 21204 location in MD
Location of ZIP 21204 in MD

Price history

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

The typical home in 21204 is worth $601,625 — 23.4% above the Baltimore-Columbia-Towson, MD median. Over the past year, values have risen 1.4%. Homes here rent for a typical $2,008 a month — a 4.0% gross rental yield. The effective property tax rate is 0.8%.

#Rent & investment

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

Monthly rent
$2,008[2]
Gross yield
4.0%[2]
Cap rate
2.4%[2]

#Property tax

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

Effective tax rate
0.8%[3]
Typical annual tax
$5,050[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
19,845[3]
Median household income
$99,606[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
13
Elementary
3
Middle
0
High
7
  • George W. Carver Center for Arts & Technology

    High · Grades 9–12 · Baltimore County Public Schools

    1,015 students

  • West Towson Elementary

    Elementary · Grades PK–5 · Baltimore County Public Schools

    407 students

  • Riderwood Elementary

    Elementary · Grades K–5 · Baltimore County Public Schools

    392 students

  • Ridge/Ruxton School

    Other · Grades PK–12 · Baltimore County Public Schools

    95 students

  • BCDC Educational Center

    High · Grades 9–12 · Baltimore County Public Schools

    52 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 yield4.0%
Net yield (after ~40% expenses)2.4%
Annual rent$24,099

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$3,042
Loan principal$481,300
Down payment$120,325
Total interest paid$613,871

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 ratio1.97
Monthly cost to own$3,965
Monthly rent$2,008

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
40th percentile[1]
Rental yield
1st percentile[2]
Property tax
39th percentile[3]

Frequently asked

How much is a home worth in ZIP code 21204?
The typical home in 21204 is worth $601,625, based on the Zillow Home Value Index.
Are home values rising in 21204?
Home values in 21204 are up 1.4% over the past year, and up 3.7% a year over five years.
What is the typical rent in 21204?
A typical home in 21204 rents for about $2,008 a month, a gross rental yield of 4.0%.
What is the property tax rate in 21204?
The effective property tax rate in 21204 is 0.8% — roughly $5,050 a year on a typical home.
Who lives in 21204?
ZIP code 21204 has a population of 19,845 and a median household income of $99,606.

#Comparable ZIPs

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

  • Arnold CDP, MD

    Typical home
    $601,021
    Gross yield
    5.4%
  • Cape St. Claire CDP, MD

    Typical home
    $597,500
    Gross yield
    5.9%
  • Severna Park CDP, MD

    Typical home
    $614,639
    Gross yield
  • North Laurel CDP, MD

    Typical home
    $588,191
    Gross yield
    4.3%
  • Pleasant Hills CDP, MD

    Typical home
    $587,881
    Gross yield
  • Odenton CDP, MD

    Typical home
    $615,940
    Gross yield
    4.9%

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