Lake San Marcos demographics profile

StatisticLake San MarcosCaliforniaNational
Population density (sq mi)2,65323291
Median age59.636.037.7
Male/Female ratio0.7:11.0:11.0:1
Married (15yrs & older)67%52%55%
Families w/ Kids under 1831%46%43%
Speak English73%56%79%
Speak Spanish17%29%13%
Lake San Marcos, CA has a population of 4,529 and is the 6,898th largest city in the United States. The population density is 2,653 per sq mi which is 1042% higher than the California average and 2829% higher than the national average. The median age in Lake San Marcos is 60 which is approximately 66% higher than the California average of 36. In Lake San Marcos, 67% of the population over 15 years of age are married, 73% speak English and 17% speak Spanish. 39% of Lake San Marcos residents were born in California, 40% were born out of state, 0% were born outside of the United States and 21% were foreign born.
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Did you know?

  • The population density in Lake San Marcos is 1042% higher than California.
  • The median age in Lake San Marcos is 66% higher than California.
  • In Lake San Marcos 81.94% of the population is White.
  • In Lake San Marcos 0.00% of the population is Black or African American.
  • In Lake San Marcos 5.78% of the population is Asian.

Compare Lake San Marcos, CA Demographics To Other Cities

Lake San Marcos population breakdown by race

RaceLake San MarcosCaliforniaNational
Black or African American0.00%5.85%12.63%
American Indian0.22%0.74%0.82%
Native Hawaiian0.00%0.39%0.18%
Mixed race11.11%4.62%3.06%
Other race0.95%13.28%4.75%
In Lake San Marcos, 19.2% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Lake San Marcos age breakdown

Marital status

Age of children in married couples

Source: The Lake San Marcos, CA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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