San Mar, MD
Population 433 · Maryland
About San Mar, MD
San Mar is a small community in Maryland with a population of 433 residents. The median household income is $88,056 per year, which is above the national average. The median age in San Mar is 66.9 years.
Housing in San Mar has a median home value of $259,600 and median monthly rent of $618. Of the 166 total housing units, the majority are owner-occupied, with 116 owner-occupied and 50 renter-occupied units.
The unemployment rate in San Mar is 32.3% and the poverty rate is 20.8%. 15.9% of residents hold a bachelor's degree or higher. The average commute time is 0 minutes.
How San Mar Ranks in Maryland
Cost of Living in San Mar, MD
Compared to national averages, San Mar has a median household income of $88,056 (17% above the national median of $75,149). Home values average $259,600, which is 6% above the national median. Monthly rent at $618 is 47% below the US average of $1,163. Within Maryland, San Mar's income is 18% below the state average of $107,956, and home values are 35% below the state median of $402,447.
Why Live in San Mar, MD?
San Mar offers a strong local economy with a median household income of $88,056, well above the national average, and rent that’s lower than the national average at $618/month, and short commute times averaging just 0 minutes.
San Mar has a population of 433 with a median age of 66.9 years. Compare San Mar with other cities to see how it stacks up, or explore all cities in Maryland.
Similar Cities Near San Mar
Cities in Maryland with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Accident | 436 | $58,750 | $206,500 | Compare |
| Cordova | 427 | $94,226 | $338,300 | Compare |
| Mapleville | 440 | $0 | $0 | Compare |
| Broomes Island | 422 | $191,944 | $478,900 | Compare |
| Kent Narrows | 444 | $176,429 | $614,800 | Compare |
| Mount Savage | 462 | $53,750 | $84,300 | Compare |
| Rawlings | 404 | $0 | $172,300 | Compare |
| Chesapeake Landing | 465 | $53,516 | $224,400 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Maryland
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about San Mar
What is the population of San Mar, MD?
The population of San Mar, MD is 433 according to the latest Census data.
What is the median household income in San Mar?
The median household income in San Mar, MD is $88,056 per year.
What is the median home value in San Mar?
The median home value in San Mar, MD is $259,600.
What is the average rent in San Mar?
The median monthly rent in San Mar, MD is $618.
What is the unemployment rate in San Mar?
The unemployment rate in San Mar, MD is 32.3%.