Calvert County, MD: Cities, ZIP Codes & Population
Calvert County is a county-level area in Maryland identified by the FIPS code 24009. Our data lists 14 places in it, led by Chesapeake Beach, MD, with combined estimates of about 58,367 people across those places. This page shows its cities, ZIP codes, time zone and neighboring counties.
What are the key facts about Calvert County?
| County | Calvert County |
|---|---|
| State | Maryland |
| FIPS code | 24009 |
| Places in our data | 14 |
| Places with a city page | 2 |
| Combined place estimates | 58,367 |
| Largest place | Chesapeake Beach, MD (24,845) |
| Rank in state | 14th of 24 counties by combined place population |
| Weighted density | 1,832 per sq mi |
| Time zone | Eastern time |
| ZIP codes | 11 |
Which cities and towns are in Calvert County?
Calvert County has 2 places large enough for a full page on this site. They are ranked below by estimated population, together with whether each is incorporated, its density in people per square mile and the number of ZIP codes it uses. Chesapeake Beach, MD is the largest, followed by Chesapeake Ranch Estates, MD.
| Place | Type | Population | Per sq mi | ZIPs |
|---|---|---|---|---|
| Chesapeake Beach, MD | Incorporated | 24,845 | 2,238 | 1 |
| Chesapeake Ranch Estates, MD | Unincorporated / CDP | 9,702 | 2,246 | 1 |
The county also contains 12 smaller communities that appear here but do not have separate pages because their populations are too small for reliable data: Huntingtown, Prince Frederick, Dunkirk, Owings, Drum Point, Long Beach, Solomons, North Beach, Lusby, Calvert Beach, St. Leonard, Broomes Island. Residents of these places often depend on the county for services such as roads, courts and public health.
How large is Calvert County compared with other counties in Maryland?
Adding up the estimates for the places in our data gives 58,367 people, which ranks Calvert County 14th among 24 counties in Maryland. The average listed place has about 4,169 residents. The weighted density is about 1,832 people per square mile, which is suburban by our scale. These totals add up place estimates, so they can differ from the official county population, which includes people outside any listed place. See why population figures differ.
What ZIP codes are in Calvert County?
The places in Calvert County use 11 ZIP codes: 20615, 20629, 20639, 20657, 20678, 20685, 20688, 20714, 20732, 20736, 20754. Every code begins with 2, which is assigned to the Mid-Atlantic and Southeast coast (D.C., Maryland, Virginia, West Virginia and the Carolinas). A ZIP code can cross county lines, so a code listed here may also serve addresses in a neighboring county. Use the ZIP code lookup to check a single code, or read how ZIP codes work.
Which counties are near Calvert County?
The closest counties by distance between the average locations of their places are listed below. The distance is a rough guide to how close the areas are, because county shapes vary widely.
- St. Mary's County, MD — about 15 miles south (center to center), 40,522 people in listed places
- Charles County, MD — about 23 miles west (center to center), 115,869 people in listed places
- Talbot County, MD — about 26 miles northeast (center to center), 22,174 people in listed places
- Dorchester County, MD — about 28 miles east (center to center), 19,610 people in listed places
- Westmoreland County, VA — about 31 miles southwest (center to center), 4,163 people in listed places
- Prince George's County, MD — about 32 miles northwest (center to center), 849,093 people in listed places
What does the FIPS code 24009 mean?
The first two digits, 24, identify Maryland, and the last three, 009, identify Calvert County inside that state. Government datasets use this code to join records without confusing counties that share a name. Our guide to counties and FIPS codes explains the numbering, and the Maryland hub lists every county we cover in the state.
Where to go next
Combined place populations are estimates from a compiled dataset and are not official county totals.