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zipcodes.pro — STATE/MD/COUNTY/CHARLES

Charles County, MD ZIP codes

There are 25 ZIP codes in Charles County, MD, in 22 towns, from 20601 to 20695. The largest are 20603 (Waldorf), 20601 (Waldorf) and 20602 (Waldorf).

The county seat is La Plata.

ZIP codes
25
Towns
22
County seat
La Plata
County FIPS
24017
Population
170,527
Median household income
$122,816
Land area
458 sq mi
Area codes
227, 240, 301

Charles County ZIP codes by town

La Plata (county seat)
20646

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Charles County ZIP codes

The ZIP codes of Charles County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Charles County in numbers

About 170,527 people live in Charles County, in 60,875 households, the 10th most populous of Maryland's 24 counties. The median household income is $122,816 a year, 18% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $428,500 (about the same as the Maryland median), and median gross rent is $1,920 a month. The median age is 38.9; 33.5% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 41 minutes.

Population170,527Charles170,527
Households60,875Charles60,875
Median age38.9Charles38.9Maryland39.4US 38.9
Median household income$122,816Charles$122,816Maryland$103,678US $80,734
Median home value$428,500Charles$428,500Maryland$419,900US $332,700
Median gross rent$1,920Charles$1,920Maryland$1,705US $1,413
Bachelor's degree or higher33.5%Charles33.5%Maryland43.4%US 35.7%
Mean commute41.4 minCharles41.4 minMaryland31.1 minUS 26.4 min
Population density372 / sq miCharles372 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Charles County

Largest towns in Charles County
TownZIP codesPopulation
Waldorf 4 82,943
White Plains 1 16,407
La Plata 1 10,683
Bryans Road 1 9,371
Indian Head 1 4,055
Newburg 1 3,138
Nanjemoy 1 2,129
Hughesville 1 2,098
Port Tobacco 1 2,088
Welcome 1 1,496
Bel Alton 1 1,219
Charlotte Hall 1 1,172
Cobb Island 1 916
Marbury 1 866
Issue 1 814

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Charles County.

Not sure you are in Charles County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Charles County, with figures

ZIP codes in Charles County
ZIP City Type Population Median income Median home
20601 Waldorf , MD Standard 26,945 $117,480 $402,100
20602 Waldorf , MD Standard 28,331 $107,360 $376,800
20603 Waldorf , MD Standard 31,844 $137,946 $453,700
20604 Waldorf , MD No street area — — —
20611 Bel Alton , MD Standard 1,219 $151,607 $460,900
20612 Benedict , MD Standard 148 $41,118 —
20616 Bryans Road , MD Standard 8,057 $128,177 $387,000
20617 Bryantown , MD Standard 334 $104,036 $501,800
20622 Charlotte Hall , MD Standard 5,185 $124,063 $438,900
20625 Cobb Island , MD Standard 849 — $245,300
20632 Faulkner , MD Standard 485 — $474,500
20637 Hughesville , MD Standard 6,133 $160,121 $555,400
20640 Indian Head , MD Standard 10,685 $100,593 $324,600
20643 Ironsides , MD No street area — — —
20645 Issue , MD Standard 814 $191,429 $531,500
20646 La Plata , MD Standard 21,400 $131,974 $450,200
20658 Marbury , MD Standard 866 $104,375 $340,000
20661 Mount Victoria , MD Standard 0 — —
20662 Nanjemoy , MD Standard 2,129 $86,699 $397,300
20664 Newburg , MD Standard 3,138 $88,438 $475,700
20675 Pomfret , MD Standard 1,796 $127,269 $483,700
20677 Port Tobacco , MD Standard 2,088 $165,764 $576,700
20682 Rock Point , MD No street area — — —
20693 Welcome , MD Standard 1,496 $126,033 $375,200
20695 White Plains , MD Standard 16,407 $141,959 $470,900

Cite this page

zipcodes.pro. “Charles County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/md/county/charles

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