HousingHandbookReference data

U.S. ZIP Code · MD21040

Harford County · Baltimore-Columbia-Towson, MD

Typical home value

$266,351[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+1.2%
5-year / yr
+4.0%
10-year / yr
+6.0%

Relative price

vs U.S.
-6.2%
vs metro
-45.4%
vs state
-40.9%
ZIP 21040 location in MD
Location of ZIP 21040 in MD

Price history

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

The typical home in 21040 is worth $266,351 — 45.4% below the Baltimore-Columbia-Towson, MD median. Over the past year, values have risen 1.2%. Homes here rent for a typical $1,729 a month — a 7.8% gross rental yield. The effective property tax rate is 0.9%.

#Rent & investment

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

Monthly rent
$1,729[2]
Gross yield
7.8%[2]
Cap rate
4.7%[2]

#Property tax

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

Effective tax rate
0.9%[3]
Typical annual tax
$2,431[3]

#Climate risk

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

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

#Who lives here

Population
24,960[3]
Median household income
$81,704[3]

#Migration

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

Net migration
-75[5]
Moved in
6,345
Moved out
6,420

Schools

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

Public schools
4
Elementary
2
Middle
1
High
1
  • Edgewood High

    High · Grades 9–12 · Harford County Public Schools

    1,417 students

  • Edgewood Middle

    Middle · Grades 6–8 · Harford County Public Schools

    994 students

  • Deerfield Elementary

    Elementary · Grades PK–5 · Harford County Public Schools

    714 students

  • Edgewood Elementary

    Elementary · Grades PK–5 · Harford County Public Schools

    415 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 yield7.8%
Net yield (after ~40% expenses)4.7%
Annual rent$20,748

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$1,347
Loan principal$213,081
Down payment$53,270
Total interest paid$271,773

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 ratio1.02
Monthly cost to own$1,771
Monthly rent$1,729

Owning and renting are roughly even.

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
64th percentile[1]
Rental yield
76th percentile[2]
Property tax
54th percentile[3]

Frequently asked

How much is a home worth in ZIP code 21040?
The typical home in 21040 is worth $266,351, based on the Zillow Home Value Index.
Are home values rising in 21040?
Home values in 21040 are up 1.2% over the past year, and up 4.0% a year over five years.
What is the typical rent in 21040?
A typical home in 21040 rents for about $1,729 a month, a gross rental yield of 7.8%.
What is the property tax rate in 21040?
The effective property tax rate in 21040 is 0.9% — roughly $2,431 a year on a typical home.
Who lives in 21040?
ZIP code 21040 has a population of 24,960 and a median household income of $81,704.

#Comparable ZIPs

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

  • Baltimore, MD

    Typical home
    $258,047
    Gross yield
    7.5%
  • Baltimore, MD

    Typical home
    $275,889
    Gross yield
    9.4%
  • Riverside CDP, MD

    Typical home
    $287,427
    Gross yield
    7.5%
  • Baltimore, MD

    Typical home
    $288,506
    Gross yield
    8.8%
  • Lochearn CDP, MD

    Typical home
    $289,317
    Gross yield
    5.9%
  • Baltimore, MD

    Typical home
    $239,449
    Gross yield
    10.6%

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