San Mar, MD

Maryland · Metropolitan Area

San Mar is a small town in Maryland with a population of 433. Residents earn $88,056 per year, which is 17% above the national average.

3.6 /5.0
B+ Good
433 Population 921/sq mi density
$88,056 Median Income $75,088 per capita
$259,600 Home Value
$618 Median Rent
54°F Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$88,056 median income, 11.9% unemployment
A+
Affordability
5.0 / 5.0
$259,600 home value, $618/mo rent
C
Education
2.3 / 5.0
15.9% bachelor's degree or higher
Median Income $88,056
17% higher than US avg
Home Value $259,600
8% lower than US avg
Bachelor's+ 15.9%
53% lower than US avg
Median Rent $618
47% lower than US avg
Obesity Rate 31.1%
3% lower than US avg
Unemployment 11.9%
231% higher than US avg
Poverty Rate 0.0%
100% lower than US avg

How San Mar Compares to the U.S. Average (100% = U.S. avg)

People

Population433
Median Age66.9 yrs
Density921/mi²
Male / Female45% / 55%
Largest GroupWhite 94%

Economy

B+
Median Income$88,056
Per Capita$75,088
Unemployment11.9%
Poverty0.0%
County GDP$9,961M

Housing

A+
Home Value$259,600
Rent$618
OwnershipN/A

Crime

ViolentN/A
PropertyN/A

Health

Obesity31.1%
UninsuredN/A
Depression22.9%
Heart Disease4.8%

Climate

Avg Temp54°F
AQI41 (Good)
Rain43.6 in/yr
Elevation567 ft

Education

C
Bachelor's+15.9%
High School+89.7%
School Score5.85

Community

2024 VoteR 60% / D 37%
CommuteN/A
Libraries9

Is San Mar a Good Place to Live?

Based on current data, San Mar receives an overall livability score of 3.6 out of 5.0, earning a grade of B+. Key strengths include above-average household incomes, a low poverty rate, high health insurance coverage. Areas to be aware of include above-average unemployment. San Mar offers a solid quality of life with a good balance of affordability, safety, and opportunity.

Economy & Jobs

The median household income in San Mar is $88,056, 17% above the national average of $75,149. Residents generally enjoy above-average earning potential. At 11.9%, unemployment is notably high. Only 0.0% of residents live below the poverty line, well below the national rate of 12.4%.

Cost of Living & Housing

The median home value in San Mar is $259,600, roughly aligned with the national median of $281,900. Renters pay a median of $618 per month, below the national average — a plus for affordability. At just 2.9x median income, home prices are very affordable relative to local earnings.

Education

15.9% of residents hold a bachelor's degree, below the national average of 33.7%. 89.7% have completed high school. Area schools have an average test score of 5.9/10.

Climate & Weather

San Mar experiences four distinct seasons with an average temperature of 54°F. Winters average 31°F in January while summers reach 76°F in July. Annual precipitation totals 43.6 inches. Air quality is rated Good with a median AQI of 41.

San Mar has a population of 433 with a density of 921 people per square mile. The median age is 66.9 years, 72% older than the national median of 38.9. The city is predominantly White (93.8%), with 5.3% Black.

Population

433
Total Population
921
People / sq mi
66.9yrs
Median Age
72% above US avg
0.5mi²
Land Area

Gender Distribution

Male 44.6%
Female 55.4%

Race & Ethnicity

San Mar vs U.S. Average

Language Spoken at Home

English Only98.6%
26% above US avg
Spanish1.4%
90% below US avg

Social Characteristics

San Mar vs U.S. Average

The median household income in San Mar is $88,056, which is 17% above the national average of $75,149. The unemployment rate is 11.9% (above the 3.6% US average). 0.0% of residents live below the poverty line.

Income: San Mar vs U.S.

Commute Mode

Income

Median HH Income$88,056
17% above US avg
Per Capita Income$75,088
Avg Weekly Wage$1,120
IRS Avg AGI$68,244

Employment & Poverty

Unemployment11.9%
231% above US avg
Poverty Rate0.0%
100% below US avg
Establishments (County)3,704
County GDP$9,961M

Business (County)

Restaurants333
Healthcare446
Retail547
Manufacturing135

Tax & Cost of Living

Property Tax (IRS)$3,722
6% above US avg
Effective Tax Rate1.43%

Commute & Transportation

Work from Home0.0%

Walkability

The median home value in San Mar is $259,600, 8% below the national average. Monthly rent averages $618 (47% below US avg).

Home Value Sources

Ownership Split

Home Values

Census Median$259,600
8% below US avg

Real Estate Market (Redfin)

$/Sq Ft$214
Homes Sold1
Sale-to-List Ratio94.8%
Price Drops0.0%

Rental Costs

Census Median Rent$618
47% below US avg

HUD Fair Market Rent

Studio$1,312
1 Bedroom$1,400
2 Bedrooms$1,648
3 Bedrooms$2,123
4 Bedrooms$2,442

Ownership & Property

Owner-Occupied69.9%

Property Tax

Avg Tax (IRS)$3,722
6% above US avg
Effective Rate1.43%
In San Mar, 31.1% of adults are obese (below the 32.1% national rate). 22.9% report depression. 21.6% are physically inactive.

Health Metrics: San Mar vs U.S. Average (%)

Chronic Conditions

Obesity31.1%
3% below US avg
Diabetes8.4%
Heart Disease4.8%
High Blood Pressure27.7%
Asthma9.5%
COPD5.6%
Stroke2.4%

Behaviors & Mental Health

Binge Drinking14.2%
Physical Inactivity21.6%
Depression22.9%
Mental Distress15.8%
Physical Distress10.7%

Healthcare Access

Insurance Rate100.0%
Checkup Rate70.0%
Premature Death10,710/100K

Food & Exercise

Food Environment7.6/10
Exercise Access80.6%
Healthcare Facilities446

Crime Rates: San Mar vs U.S. Average (per 100,000)

Violent Crime

Property Crime

Traffic Safety

Fatal Crashes (County/yr)19

Safety Score

San Mar has an average annual temperature of 54°F (12°C). Winters average 31°F in January while summers reach 76°F in July. Annual precipitation is 43.6 inches. Air quality is rated Good with a median AQI of 41.

Temperature

31°F Jan (-0°C) 76°F Jul (25°C)
Annual Average54.2°F
0% below US avg
January Average31°F (-0°C)
July Average76°F (25°C)

Precipitation & Snow

Annual Rainfall43.6 inches
15% above US avg

Air Quality

AQI Median41.0
RatingGood

Geography

Elevation567 ft (173 m)
Area0.5 sq mi (1.2 km²)
Population Density921/sq mi
Coordinates39.5522°N, 77.6409°W
County FIPS24043
It is classified as Metro — 250K–1M. 15.9% of residents hold a bachelor's degree or higher (53% below US avg). In the 2024 election, the county voted Republican by a 23-point margin.

2024 Presidential Election (County)

R 60.4%
D 37.3%

Winner: Republican by 23 points

Education

Bachelor's Degree+15.9%
53% below US avg
High School+89.7%
School Test Score5.85
C Education Grade (2.3/5.0)

Urban-Rural Classification

RUCC Code 2Metro — 250K–1M
Population Density921/sq mi
Total Area0.5 sq mi

Infrastructure & Services

Public Libraries9
Healthcare Facilities446
Restaurants333
Retail Stores547

Safety & Disasters

Fatal Crashes (County/yr)19

Commute & Transportation

Work from Home0.0%

Nearby Cities

Compare San Mar with another city: