U.S. ZIP Code · MD20640
Charles County · Washington-Arlington-Alexandria, DC-VA-MD-WV
Appreciation
- 1-year
- -0.6%
- 5-year / yr
- +4.3%
- 10-year / yr
- +5.9%
Relative price
- vs U.S.
- +22.3%
- vs metro
- -40.8%
- vs state
- -22.9%
Price history
Zillow Home Value Index — monthly, smoothed and seasonally adjusted.
The typical home in 20640 is worth $347,536 — 40.8% below the Washington-Arlington-Alexandria, DC-VA-MD-WV median. Over the past year, values have fallen 0.6%. 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 Charles County. "Not Applicable" means the hazard does not threaten the county.
- Overall risk
- Relatively Low[4]
- Riverine flood
- Relatively Low
- Coastal flood
- Relatively Low
- Wildfire
- Very Low
- Drought
- Relatively Moderate
- Heat wave
- Relatively Moderate
- Hurricane
- Relatively Low
- Tornado
- Relatively Low
- Earthquake
- Relatively Low
- Winter weather
- Relatively Moderate
#Who lives here
#Migration
Household moves in and out of Charles County over a year, from IRS tax-return data.
- Net migration
- +521[5]
- Moved in
- 5,731
- Moved out
- 5,210
Schools
Open public schools in this ZIP, from the NCES Common Core of Data.
- Public schools
- 5
- Elementary
- 2
- Middle
- 2
- High
- 1
Henry E. Lackey High School
High · Grades 9–12 · Charles County Public Schools
1,058 students
Matthew Henson Middle School
Middle · Grades 6–8 · Charles County Public Schools
675 students
J. C. Parks Elementary School
Elementary · Grades PK–5 · Charles County Public Schools
651 students
General Smallwood Middle School
Middle · Grades 6–8 · Charles County Public Schools
501 students
Indian Head Elementary School
Elementary · Grades PK–5 · Charles County Public Schools
454 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.
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 20640?
- The typical home in 20640 is worth $347,536, based on the Zillow Home Value Index.
- Are home values rising in 20640?
- Home values in 20640 are down 0.6% over the past year, and up 4.3% a year over five years.
- What is the property tax rate in 20640?
- The effective property tax rate in 20640 is 1.0% — roughly $3,631 a year on a typical home.
- Who lives in 20640?
- ZIP code 20640 has a population of 10,685 and a median household income of $100,593.
#Comparable ZIPs
Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.
Summerfield CDP, MD
- Typical home
- $348,271
- Gross yield
- 6.8%
Forestville CDP, MD
- Typical home
- $343,279
- Gross yield
- 5.5%
Chester Gap CDP, VA
- Typical home
- $342,768
- Gross yield
- —
Washington, DC
- Typical home
- $357,206
- Gross yield
- 6.5%
Suitland CDP, MD
- Typical home
- $337,611
- Gross yield
- 6.3%
Walker Mill CDP, MD
- Typical home
- $336,543
- Gross yield
- 7.2%
Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →
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Pit ZIP 20640 against any other ZIP — full side-by-side table.
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