Lake San Marcos is a CDP located in San Diego County California. Lake San Marcos has a 2024 population of 4,020. Lake San Marcos is currently declining at a rate of -0.74% annually but its population has increased by 1.59% since the most recent census, which recorded a population of 3,957 in 2020.
The average household income in Lake San Marcos is $127,344 with a poverty rate of 6.34%. The median age in Lake San Marcos is 60.1 years: 57.2 years for males, and 63.4 years for females.
According to the most recent ACS, the racial composition of Lake San Marcos was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,434 | 68.73% |
| Other race | 948 | 18.98% |
| Asian | 283 | 5.66% |
| Two or more races | 280 | 5.6% |
| Black or African American | 51 | 1.02% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Other race
Asian
Two or more races
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 2,148 | 2.28 | 78.4 | 21.6 |
| Married | 1,060 | 3.11 | 82.5 | 17.5 |
| Non Family | 871 | 1.17 | 76.6 | 23.4 |
| Female | 210 | 2.65 | 64.8 | 35.2 |
| Male | 7 | 1.71 | 100 | 0 |
2.88
Average Family Size
2.28
Average Household Size
78.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 210 | 4.98% |
| Associates Degree | 494 | 11.7% |
| Bachelors Degree | 961 | 22.77% |
| Graduate Degree | 539 | 12.77% |
| High School Graduate | 626 | 14.83% |
| Less Than 9th Grade | 320 | 7.58% |
| Some College | 1,071 | 25.37% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 3,015 | 2,875 | 1,243 |
| Hispanic | 790 | 421 | 126 |
| Other Race | 697 | 337 | 110 |
| Asian | 236 | 215 | 91 |
| 2+ Races | 208 | 208 | 56 |
| Black | 11 | 11 | 0 |
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 41.23%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $44,635 | $111,136 | $31,011 |
| Graduate Degree | $90,909 | $91,136 | $89,792 |
| High School Graduate | $32,303 | $34,444 | $0 |
| Less Than 9th Grade | $31,053 | $31,760 | $0 |
| Overall | $37,397 | $41,814 | $31,849 |
| Some College | $36,706 | $40,115 | $36,526 |
$37,397
Average Earnings
$41,814
Average Male
$31,849
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
70.69% of Lake San Marcos residents speak only English, while 29.31% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 20.62% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 3,314 | 183 | 5.52% |
| Hispanic | 1,037 | 87 | 8.39% |
| Other | 926 | 70 | 7.56% |
| Black | 40 | 40 | 100% |
6.34%
Overall Poverty Rate
4.41%
Male Poverty Rate
7.98%
Female Poverty Rate
The race most likely to be in poverty in Lake San Marcos is Black, with 100% below the poverty level.
The race least likely to be in poverty in Lake San Marcos is White, with 5.52% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 7.68%, and for those that did not work, the poverty rate was 9.51%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 11.37% |
| Some College | 7.49% |
| Bachelors or Greater | 4.23% |
| High School | 2.23% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 4.23% |
| Female Employed | 2.7% |
| Male Unemployed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $111,688 | $151,504 |
| Households | $100,676 | $127,344 |
| Married Families | $116,250 | $-999,999,999 |
| Non Families | $84,115 | $89,130 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
51.2%
Overall Marriage Rate
57.9%
Male Marriage Rate
46.0%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
361
Number of Veterans
361
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 174 |
| Korea | 80 |
| First Gulf War | 33 |
| Second Gulf War | 14 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 254 |
| 65 to 74 | 47 |
| 35 to 54 | 42 |
| 55 to 64 | 18 |
| 18 to 34 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 361 | 11.43% |
| Hispanic | 19 | 2.14% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
10%
Veteran Poverty Rate
47.14%
Veteran Disability Rate
LaborForceParticipation
51.4%
Labor Force Participation
49.4%
Employment Rate
3.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
44.6%
Born in Lake San Marcos
80.42%
Native Born
19.58%
Foreign Born
7.05%
Non Citizen
12.53%
Naturalized
80.42% of Lake San Marcos residents were born in the United States, with 44.6% having been born in California. 7.05% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 4,020 | -30 | -0.74% |
| 2023 | 4,050 | -30 | -0.74% |
| 2022 | 4,080 | -47 | -1.14% |
| 2021 | 4,127 | 170 | 4.3% |
| 2020 | 3,957 | -756 | -16.04% |
| 2019 | 4,713 | -177 | -3.62% |
| 2018 | 4,890 | -34 | -0.69% |
| 2017 | 4,924 | 395 | 8.72% |
| 2016 | 4,529 | -269 | -5.61% |
| 2015 | 4,798 | 119 | 2.54% |
| 2014 | 4,679 | 391 | 9.12% |
| 2013 | 4,288 | -267 | -5.86% |
| 2012 | 4,555 | -685 | -13.07% |
| 2011 | 5,240 | 803 | 18.1% |
| 2010 | 4,437 | 0 | 0% |