100 Lowest Income ZIP Codes in the United States in St. Mary's County, Maryland
Explore the 100 ZIP codes with the lowest median household income in the United States using U.S. Census data. This page lists ZIP codes located in St. Mary's County, Maryland.
| Rank | ZIP Code | City | State | Median Household Income |
|---|---|---|---|---|
| 1 | 20670 | PATUXENT RIVER | MD | $53,125 |
| 2 | 20618 | BUSHWOOD | MD | $78,654 |
| 3 | 20653 | LEXINGTON PARK | MD | $96,650 |
| 4 | 20619 | CALIFORNIA | MD | $110,960 |
| 5 | 20609 | AVENUE | MD | $112,625 |
| 6 | 20659 | MECHANICSVILLE | MD | $115,729 |
| 7 | 20634 | GREAT MILLS | MD | $131,042 |
| 8 | 20650 | LEONARDTOWN | MD | $137,854 |
| 9 | 20636 | HOLLYWOOD | MD | $151,193 |
| 10 | 20620 | CALLAWAY | MD | $154,128 |