| Timezone | Eastern Time |
| Area | 12,406 sq mi |
| Population | 6.0 million (More Details) |
|
| Male Population | 2,896,694 (48.4%) |
| Female Population | 3,088,694 (51.6%) |
| Median Age | 38.2 |
| Zip Codes | 20066, 20090, 20233 (611 more) |
| Area Codes | 202, 240, 301 (5 more) |
| Cities | 480 |
614 Zip Codes in Maryland
| Zip Code | City | Administrative Region | Population | Median Age | Area |
|---|
| 20066 | — | Washington, D.C. | — | — | — |
| 20090 | — | Washington, D.C. | — | — | — |
| 20233 | Brentwood, Maryland | Maryland | — | — | — |
| 20318 | — | Washington, D.C. | — | — | — |
| 20376 | — | Washington, D.C. | — | — | — |
| 20588 | — | Maryland | — | — | — |
| 20600 | — | Maryland | — | — | — |
| 20601 | Waldorf, Maryland | Maryland | 26,384 | 37 | 44.81 sq mi |
| 20602 | Waldorf, Maryland | Maryland | 26,828 | 32.4 | 13.96 sq mi |
| 20603 | Waldorf, Maryland | Maryland | 31,326 | 34.5 | 17.15 sq mi |
| 20604 | Waldorf, Maryland | Maryland | — | — | — |
| 20606 | Abell, Maryland | Maryland | 448 | 49.2 | 3.389 sq mi |
| 20607 | Accokeek | Maryland | 10,021 | 40.8 | 21.19 sq mi |
| 20608 | Aquasco, Maryland | Maryland | 983 | 46.5 | 19.65 sq mi |
| 20609 | Avenue, Maryland | Maryland | 1,274 | 47.4 | 11.23 sq mi |
| 20610 | Barstow, Maryland | Maryland | — | — | — |
| 20611 | Bel Alton, Maryland | Maryland | 1,199 | 44.5 | 7.06 sq mi |
| 20612 | Benedict, Maryland | Maryland | 272 | 46.8 | 0.755 sq mi |
| 20613 | Brandywine, Maryland | Maryland | 12,541 | 40.4 | 77.06 sq mi |
| 20615 | Broomes Island, Maryland | Maryland | 338 | 41.9 | 0.828 sq mi |
| 20616 | Bryans Road, Maryland | Maryland | 6,428 | 36.2 | 11.23 sq mi |
| 20617 | Bryantown, Maryland | Maryland | 839 | 47.5 | 6.56 sq mi |
| 20618 | — | Maryland | 674 | 44.2 | 5.75 sq mi |
| 20619 | California, Maryland | Maryland | 11,904 | 34.7 | 16.91 sq mi |
| 20620 | Callaway, Maryland | Maryland | 1,576 | 36.5 | 3.959 sq mi |
| 20621 | Chaptico, Maryland | Maryland | 1,372 | 42.2 | 14.43 sq mi |
| 20622 | Charlotte Hall, Maryland | Maryland | 5,409 | 43.4 | 38.01 sq mi |
| 20623 | Cheltenham, Maryland | Maryland | 2,685 | 37.1 | 1.944 sq mi |
| 20624 | Clements, Maryland | Maryland | 1,428 | 38.9 | 12.98 sq mi |
| 20625 | Cobb Island (Maryland) | Maryland | 1,018 | 41.9 | 0.595 sq mi |
| 20626 | Coltons Point, Maryland | Maryland | 375 | 44.1 | 1.369 sq mi |
| 20627 | Compton, Maryland | Maryland | — | — | — |
| 20628 | Dameron, Maryland | Maryland | 600 | 43 | 7.46 sq mi |
| 20629 | Dowell, Maryland | Maryland | 586 | 47.2 | 0.592 sq mi |
| 20630 | Drayden, Maryland | Maryland | 352 | 48.3 | 8.17 sq mi |
| 20632 | Faulkner, Maryland | Maryland | 401 | 42.4 | 7.52 sq mi |
| 20634 | Great Mills, Maryland | Maryland | 6,287 | 32 | 7.21 sq mi |
| 20635 | Helen, Maryland | Maryland | — | — | — |
| 20636 | Hollywood, Maryland | Maryland | 10,842 | 40.6 | 45.02 sq mi |
| 20637 | Hughesville | Maryland | 5,978 | 42.4 | 32.25 sq mi |
| 20639 | Huntingtown | Maryland | 15,307 | 42 | 43.79 sq mi |
| 20640 | Indian Head, Maryland | Maryland | 11,174 | 34.8 | 45.72 sq mi |
| 20643 | Ironsides, Maryland | Maryland | — | — | — |
| 20645 | Swan Point, Maryland | Maryland | 899 | 46 | 2.477 sq mi |
| 20646 | La Plata, Maryland | Maryland | 20,703 | 41.7 | 83.24 sq mi |
| 20650 | Leonardtown, Maryland | Maryland | 14,972 | 41.3 | 68.19 sq mi |
| 20653 | Lexington Park, Maryland | Maryland | 25,849 | 30.3 | 34.08 sq mi |
| 20656 | Loveville, Maryland | Maryland | — | — | — |
| 20657 | Lusby, Maryland | Maryland | 21,811 | 37 | 34.17 sq mi |
| 20658 | Marbury, Maryland | Maryland | 895 | 44.6 | 3.004 sq mi |
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Address Example
Maryland Demographic Information
| Population | 6.0 million |
| Population Density | 482.5 / mi² |
| Male Population | 2,896,694 (48.4%) |
| Female Population | 3,088,694 (51.6%) |
| Median Age | 38.2 |
| Male Median Age | 36.8 |
| Female Median Age | 39.6 |
| Businesses in Maryland | 383,128 |
| Population (1975) | 4,056,042 |
| Population (2000) | 5,333,328 |
| Population change from 1975 to 2015 | +47.6% |
| Population change from 2000 to 2015 | +12.2% |
Most populated cities in Maryland
