U.S. ZIP Code · MD21158
Carroll County · Baltimore-Columbia-Towson, MD
Appreciation
- 1-year
- +1.7%
- 5-year / yr
- +4.6%
- 10-year / yr
- +4.7%
Relative price
- vs U.S.
- +66.5%
- vs metro
- -3.0%
- vs state
- +5.0%
Price history
Zillow Home Value Index — monthly, smoothed and seasonally adjusted.
The typical home in 21158 is worth $472,905 — 3.0% below the Baltimore-Columbia-Towson, MD median. Over the past year, values have risen 1.7%. Homes here rent for a typical $1,883 a month — a 4.8% gross rental yield. The effective property tax rate is 1.0%.
#Rent & investment
Typical asking rent, and the returns it implies at the current home value.
#Property tax
Effective rate — total real estate taxes paid relative to total home value.
#Climate risk
FEMA National Risk Index ratings for Carroll County. "Not Applicable" means the hazard does not threaten the county.
- Overall risk
- Relatively Low[4]
- Riverine flood
- Relatively Low
- Coastal flood
- Not Applicable
- Wildfire
- Very Low
- Drought
- Relatively Moderate
- Heat wave
- Relatively Low
- Hurricane
- Relatively Low
- Tornado
- Relatively Low
- Earthquake
- Relatively Low
- Winter weather
- Relatively High
#Who lives here
#Migration
Household moves in and out of Carroll County over a year, from IRS tax-return data.
- Net migration
- -202[5]
- Moved in
- 3,996
- Moved out
- 4,198
Schools
Open public schools in this ZIP, from the NCES Common Core of Data.
- Public schools
- 2
- Elementary
- 2
- Middle
- 0
- High
- 0
Runnymede Elementary
Elementary · Grades PK–5 · Carroll County Public Schools
609 students
Westminster Elementary
Elementary · Grades PK–5 · Carroll County Public Schools
555 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 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.
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.
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.
Frequently asked
- How much is a home worth in ZIP code 21158?
- The typical home in 21158 is worth $472,905, based on the Zillow Home Value Index.
- Are home values rising in 21158?
- Home values in 21158 are up 1.7% over the past year, and up 4.6% a year over five years.
- What is the typical rent in 21158?
- A typical home in 21158 rents for about $1,883 a month, a gross rental yield of 4.8%.
- What is the property tax rate in 21158?
- The effective property tax rate in 21158 is 1.0% — roughly $4,624 a year on a typical home.
- Who lives in 21158?
- ZIP code 21158 has a population of 22,083 and a median household income of $109,827.
#Comparable ZIPs
Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.
Odenton CDP, MD
- Typical home
- $472,956
- Gross yield
- 6.3%
Maryland City CDP, MD
- Typical home
- $472,496
- Gross yield
- 6.6%
Cockeysville CDP, MD
- Typical home
- $471,501
- Gross yield
- 5.0%
Manchester, MD
- Typical home
- $469,739
- Gross yield
- —
Westminster, MD
- Typical home
- $468,031
- Gross yield
- 4.4%
Queen Anne, MD
- Typical home
- $466,680
- Gross yield
- —
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