
Charles County · Maryland
ZIP code 20602
- Population
- 29,425
- Median income
- $108,733
- Median home
- $360,800
- Sales tax
- 6%
ZCTA residents
Household, past 12 months
Owner-occupied value
Maryland state rate
Quick answer
ZIP 20602 sits in Charles County, Maryland and is home to 29,425 people. Median household income is $108,733, the median home is worth $360,800 and median gross rent is $1,803. 67.4% of households own their home, and purchases are taxed at 6% (Maryland state rate).
- County
- Charles County
- State
- Maryland (MD)
- Area codes
- Not published
- Metro area
- Outside covered metros
FIPS 24017
477 ZIPs covered
No NANPA match for this ZIP
Rate jurisdiction used for tax
The numbers for 20602
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 29,425ZIP 20602 residents
- Median household income
- $108,733Past 12 months, inflation adjusted
- Median home value
- $360,800Owner-occupied units
- Median gross rent
- $1,803Rent plus utilities, monthly
- Median age
- 35.3 yrsAll residents
- Homeownership rate
- 67.4%Owner-occupied households
ZIP 20602 in context
How this area compares with national benchmarks.
ZIP 20602 is a small city in Charles County, Maryland, with 29,425 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #87 of 477 ranked by population — larger than 81% of them. The median age here is 35.3 years against 39.1 nationally, a slightly younger profile than the country as a whole. Places under 65,000 residents only appear in the five-year release, never the one-year file, so these values pool sixty months of responses and lag the current year by design.
Households in ZIP 20602 earn a median of $108,733 a year, 38.4% above the national figure of $78,538. Median household income counts every pre-tax dollar arriving at an address — wages, self-employment, Social Security, pensions, interest and public assistance — for everyone living there, so multi-earner households pull the figure up even where individual pay is modest. Poverty reaches 9.5% of residents here, below the 12.4% national rate.
The typical owner-occupied home in ZIP 20602 is valued at $360,800, 18.9% above the national figure, while median gross rent runs $1,803 a month, 28.2% above the national figure, or roughly $21,636 across a full year. A household on the local median income would put about 19.9% of gross pay toward that rent against the federal 30% cost-burden threshold, so renting here is cheap relative to what people here earn. The home-price-to-income ratio works out to 3.3×, against roughly 3.9× nationally, so buying is easier here than in the average US market. 67.4% of occupied homes are owner-occupied versus 65% nationally, so the market leans toward owners. Gross rent folds in the utilities a tenant pays separately, so it is closer to the real monthly outlay than a headline rent figure.
Every value on this page is published directly by the Census for this area — nothing is modelled or interpolated. Small-area estimates still carry wider margins of error than state or national figures, so check the linked ACS tables before relying on them for lending, appraisal or legal work.
Reading ZIP 20602 in context
How 20602 sits inside Charles County and Maryland.
ZIP 20602 is tabulated inside Charles County, Maryland, one of 22 ZIP areas the Census publishes for that county and 477 across Maryland. This is a mid-sized suburban ZIP inside a county that is split across many delivery areas. County assignment on this page follows the largest share of the ZIP's land area, which matters where a delivery route crosses a county line: mail addressed to 20602 can be handled by a post office in a neighbouring county even though the tabulation area is filed here.
Against its own county, 20602 reports a median household income of $108,733, 13% below the $124,733 county median, and 4% above the $104,338 typical MD ZIP. Owner-occupied homes are valued at a median of $360,800, 16% below the county figure and 10% below the statewide ZIP median. Rent is reported gross — the contract amount plus tenant-paid utilities — at $1,803 a month, which is why it reads higher than the advertised rent on a listing for the same unit.
Maryland charges 6% statewide, and no local sales tax is layered on top, so the state rate is the full amount collected in 20602.
Everything above comes from the Census Bureau American Community Survey 2019-2023 ACS 5-year estimates for this ZIP Code Tabulation Area, with sales tax rates traced to the state revenue agency. Five-year estimates pool sixty months of responses, so they are stable enough to compare 20602 with its neighbours but always trail the current year, and any value the Census suppressed for sample size is shown as unpublished rather than filled in with a model.
Sales tax in 20602
What a purchase inside this ZIP costs at checkout.
Maryland levies 6% statewide with no local add-ons. Check the county page for the local component before you quote a price.
Affordability in this ZIP
Derived from the Census medians above — indicative, not an offer.
A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.
How 20602 compares
ZIP 20602 against the median ZIP in Charles County and across Maryland.
| Measure | ZIP 20602 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $108,733 | $124,733 | $104,338 | +4% |
| Median home value | $360,800 | $429,800 | $401,000 | -10% |
| Median gross rent | $1,803 | $1,803 | $1,600 | +13% |
| Population | 29,425 | 2,220 | 4,995 | +489% |
Medians are computed across the 22 ZIP areas in Charles County and the 477 ZIP areas in Maryland.
Statewide rank
Where this ZIP places among all 477 Maryland ZIP areas.
- Income
- #200
- Home value
- #257
- Population
- #87
richer than 53% of 428 state ZIPs
above 40% of 425 state ZIPs
larger than 82% of 477 state ZIPs
Comparable ZIP codes
Maryland ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under Charles County.
Adjacent ZIP Codes
Other ZIP codes in Charles County, Maryland.
ZIP 20602 questions
Common questions about this ZIP code.
- Where is ZIP code 20602?
- ZIP 20602 lies mostly in Charles County, Maryland. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
- What sales tax do I pay in 20602?
- Maryland charges 6% statewide.
- Is 20602 expensive to live in?
- Median rent runs $1,803 a month, about 20% of median household income, and the median home is worth $360,800 — -10% against the typical Maryland ZIP.
- Is a ZCTA the same as a postal ZIP code?
- Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.
Keep going
Related pages for this area.
Sources & transparency
- US Census Bureau, ACS 2019-2023 5-year estimates — 2019-2023 ACS 5-year — population, income, housing
- Census 2020 ZCTA-to-county relationship file — County assignment by largest land-area overlap
- Comptroller of Maryland — Sales tax rates and local add-ons
Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.