St. Mary's County, Maryland
St. Mary's County covers 359 sq mi of land and has about 115,126 residents. 28 zip codes lie mainly within it, spread across 28 cities and towns. Zip codes that only partly reach into the county are listed on each zip's own page.
Population
115,126
321/sq mi
Median household income
$119K
U.S. $81K
Median home value
$408K
U.S. $333K
Median rent
$1,747
U.S. $1,413
Median age
37.2
U.S. 38.9
Poverty rate
8%
U.S. 12.5%
Cities and towns
- Lexington Park1 zip
- Mechanicsville1 zip
- Leonardtown1 zip
- California1 zip
- Hollywood1 zip
- Great Mills1 zip
- Patuxent River1 zip
- Bushwood1 zip
- Callaway1 zip
- Tall Timbers1 zip
- Saint Marys City1 zip
- Chaptico1 zip
- Saint Inigoes1 zip
- Clements1 zip
- Piney Point1 zip
- Avenue1 zip
- Ridge1 zip
- Drayden1 zip
- Valley Lee1 zip
- Dameron1 zip
- Scotland1 zip
- Abell1 zip
- Coltons Point1 zip
- Park Hall1 zip
- Loveville1 zip
- Morganza1 zip
- Compton1 zip
- Helen1 zip
Zip codes in St. Mary's County
28 total
| Zip | City | Type | Population | IncomeMedian income |
|---|---|---|---|---|
| 20606 | Abell | 291 | $88,262 | |
| 20609 | Avenue | 714 | $118,102 | |
| 20618 | Bushwood | 1,705 | $105,508 | |
| 20619 | California | 14,212 | $119,432 | |
| 20620 | Callaway | 1,115 | $165,972 | |
| 20621 | Chaptico | 958 | — | |
| 20624 | Clements | 796 | $104,545 | |
| 20626 | Coltons Point | 284 | — | |
| 20627 | Compton · PO box | — | — | |
| 20628 | Dameron | 503 | — | |
| 20630 | Drayden | 559 | $233,411 | |
| 20634 | Great Mills | 7,088 | $139,375 | |
| 20635 | Helen · PO box | — | — | |
| 20636 | Hollywood | 10,486 | $163,690 | |
| 20650 | Leonardtown | 16,094 | $143,116 | |
| 20653 | Lexington Park | 26,852 | $103,048 | |
| 20656 | Loveville | 87 | — | |
| 20659 | Mechanicsville | 24,324 | $121,654 | |
| 20660 | Morganza | 14 | — | |
| 20667 | Park Hall | 150 | — | |
| 20670 | Patuxent River | 2,046 | $70,371 | |
| 20674 | Piney Point | 769 | $171,985 | |
| 20680 | Ridge | 663 | — | |
| 20684 | Saint Inigoes | 802 | $180,060 | |
| 20686 | Saint Marys City | 971 | — | |
| 20687 | Scotland | 415 | — | |
| 20690 | Tall Timbers | 1,077 | $122,750 | |
| 20692 | Valley Lee | 505 | $201,250 |
St. Mary's County at a glance
Compared with the U.S.
Household income distribution
<$25k
9%
$25–50k
10%
$50–75k
10%
$75–100k
12%
$100–150k
19%
$150–200k
15%
$200k+
23%
Highest education (adults 25+)
No diploma
7%
High school
27%
Some college
20%
Associate's
9%
Bachelor's
20%
Graduate
16%
How people get to work
Drove alone
72%
Carpooled
6%
Transit
0.9%
Walked
3%
Bicycle
0.1%
Worked from home
18%
Other
0.7%
At a glance
| St. Mary's | U.S. | |
|---|---|---|
| Own their home | 73.2% | 65.2% |
| Bachelor's degree or higher | 36.5% | 35.7% |
| Work from home | 17.5% | 15.1% |
| Households with broadband | 93.1% | 91% |
| Without health insurance | 3.9% | 8.4% |
| Foreign-born | 4.3% | 14.1% |
| Veterans (of adults) | 14.4% | 6.2% |
| Unemployment | 3.6% | 5.2% |
| Average commute | 29.9 min | 26.4 min |