San Mar, Maryland Population 2024

353

San Mar is a city located in Washington County Maryland. San Mar has a 2024 population of 353. San Mar is currently declining at a rate of annually and its population has increased by 11.01% since the most recent census, which recorded a population of 318 in 2020.

The average household income in San Mar is $78,691 with a poverty rate of 18.44%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in San Mar is 71.4 years, 65.1 years for males, and 79.4 years for females.

San Mar Demographics

According to the most recent ACS, the racial composition of San Mar was:

  • White: 92.92%
  • Black or African American: 5.95%
  • Two or more races: 1.13%
  • Native American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
  • Other race:
Land Area (mi²)
0.5 sq mi
Density (mi²)
781.10/sq mi
Growth Since 2020
11.01% (35)
The current population of San Mar, Maryland is 353 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 318.

San Mar, Maryland Population 2024

Population by Race

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Race
Population
Percentage (of total)
White32892.92%
Black or African American215.95%
Two or more races41.13%
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
showing: 7 rows

White

Black or African American

Two or more races

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

San Mar Population by Race

San Mar Population Pyramid 2024

San Mar Median Age

71.4

Total

65.1

Male

79.4

Female

San Mar Adults

There are 346 adults, (230 of whom are seniors) in San Mar.

San Mar Age Dependency

204.3

Age Dependency Ratio

198.3

Old Age Dependency Ratio

6

Child Dependency Ratio

San Mar Sex Ratio

Female17449.29%
Male17950.71%

San Mar Population by Age

San Mar Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1131.981000
Non Family681.371000
Married452.911000
Male000
Female000
showing: 5 rows

2.91

Average Family Size

1.98

Average Household Size

100.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

San Mar Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

San Mar Educational Attainment by Sex (over 25)

San Mar Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among 2+ races people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 6.11%.

San Mar Educational Attainment by Race

All

Male

Female

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$43,906

Average Earnings

$43,828

Average Male

$

Average Female

San Mar Earnings by Educational Attainment

San Mar Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

San Mar Language

98.58% of San Mar residents speak only English, while 1.42% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.42% of the population.

San Mar Language

San Mar Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White2293013.1%
Black1515100%
showing: 2 rows

18.44%

Overall Poverty Rate

6.25%

Male Poverty Rate

36%

Female Poverty Rate

Poverty in San Mar

The race most likely to be in poverty in San Mar is Black, with 100% below the poverty level.

The race least likely to be in poverty in San Mar is White, with 13.1% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was . Among those working part-time, it was 27.08%, and for those that did not work, the poverty rate was 25.81%.

San Mar Poverty

rate

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Rate
Poverty
Some College61.54%
High School14.79%
Less Than 9th Grade11.11%
Bachelors or Greater
showing: 4 rows

San Mar Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed57.14%
Male Unemployed53.33%
Male Employed1.39%
Female Employed
showing: 4 rows

San Mar Poverty Rate by Employment Status and Sex

San Mar Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

San Mar Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

33.7%

Overall Marriage Rate

35.6%

Male Marriage Rate

31.8%

Female Marriage Rate

San Mar Married by Age and Sex

male

female

San Mar Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

San Mar Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

San Mar Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

21

Number of Veterans

21

Male Veterans

Female Veterans

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San Mar Veterans by War

count

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San Mar Veterans by Age

count

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San Mar Veterans by Race

San Mar Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

100%

Veteran Poverty Rate

Veteran Disability Rate

San Mar Veterans by Education

LaborForceParticipation

35.6%

Labor Force Participation

27.3%

Employment Rate

23.4%

Unemployment Rate

San Mar Employment by Age

LaborForceParticipation

San Mar Employment by Race

LaborForceParticipation

San Mar Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

45.33%

Born in San Mar

100%

Native Born

Foreign Born

Non Citizen

Naturalized

Place of Birth

100% of San Mar residents were born in the United States, with 45.33% having been born in Maryland. of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

San Mar Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2024353
2023353
20223533511.01%
2021318
2020318-15-4.5%
201933316598.21%
2018168-20-10.64%
2017188-15-7.39%
2016203-16-7.31%
20152193418.38%
2014185-67-26.59%
2013252-96-27.59%
2012348278.41%
2011321-63-16.41%
2010384
showing: 15 rows

San Mar Population by Year