Calvert County, MD ZIP codes
There are 13 ZIP codes in Calvert County, MD, in 13 towns, from 20610 to 20754. The largest are 20657 (Lusby), 20639 (Huntingtown) and 20678 (Prince Frederick).
The county seat is Prince Frederick.
- ZIP codes
- 13
- Towns
- 13
- County seat
- Prince Frederick
- County FIPS
24009- State
- Maryland
- Population
- 94,313
- Median household income
- $133,922
- Land area
- 213 sq mi
- Metro area
- Lexington Park
Calvert County ZIP codes by town
- Prince Frederick (county seat)
- 20678
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 Calvert County ZIP codes
The ZIP codes of Calvert 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.
Calvert County in numbers
About 94,313 people live in Calvert County, in 33,465 households, the 15th most populous of Maryland's 24 counties. The median household income is $133,922 a year, 29% above the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $460,200 (10% above the Maryland median), and median gross rent is $1,759 a month. The median age is 40.8; 37.0% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 39 minutes.
| Population | 94,313 |
|---|---|
| Households | 33,465 |
| Median age | 40.8 |
| Median household income | $133,922 |
| Median home value | $460,200 |
| Median gross rent | $1,759 |
| Bachelor's degree or higher | 37.0% |
| Mean commute | 39.3 min |
| Population density | 442 / 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 Calvert County
| Town | ZIP codes | Population |
|---|---|---|
| Chesapeake Beach | 1 | 6,456 |
| Port Republic | 1 | 3,218 |
| Prince Frederick | 1 | 2,955 |
| Huntingtown | 1 | 2,689 |
| Owings | 1 | 2,643 |
| Lusby | 1 | 2,595 |
| Solomons | 1 | 2,440 |
| Dunkirk | 1 | 2,166 |
| Sunderland | 1 | 1,809 |
| Dowell | 1 | 1,150 |
| St. Leonard | 1 | 726 |
| Broomes Island | 1 | 460 |
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 Calvert County.
Not sure you are in Calvert County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Calvert County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
20610 | Barstow , MD | No street area | — | — | — |
20615 | Broomes Island , MD | Standard | 460 | — | $390,200 |
20629 | Dowell , MD | Standard | 1,150 | $87,389 | $403,100 |
20639 | Huntingtown , MD | Standard | 15,544 | $161,422 | $555,100 |
20657 | Lusby , MD | Standard | 20,699 | $115,748 | $333,500 |
20676 | Port Republic , MD | Standard | 3,218 | $156,657 | $509,900 |
20678 | Prince Frederick , MD | Standard | 12,752 | $125,732 | $455,100 |
20685 | Saint Leonard , MD | Standard | 6,866 | $119,135 | $450,400 |
20688 | Solomons , MD | Standard | 1,290 | $102,950 | $619,200 |
20689 | Sunderland , MD | Standard | 1,809 | $161,833 | $490,500 |
20732 | Chesapeake Beach , MD | Standard | 10,722 | $140,304 | $448,700 |
20736 | Owings , MD | Standard | 9,960 | $159,851 | $567,700 |
20754 | Dunkirk , MD | Standard | 7,545 | $167,371 | $614,200 |
Cite this page
zipcodes.pro. “Calvert County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/md/county/calvert
Underlying data is public domain or openly licensed — sources, vintages and licences.