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CITY · 2020 ACS

Lake San Marcos

California · 5,328 residents · 1.707 sq mi
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The short version

Lake San Marcos is wealthier than most US places, with a median household income of $76,958. Population has grown 29% since 2000. 47% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has more than doubled since 2000, reaching $605,800. With a median age of 63.3, the population is older than the US median of 38.8.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 63.3
US median: 38.8
More educated
47% hold a bachelor's degree
US average: 33%
Less affordable
home values up 74%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
5,328
+29%since 2000
from 4,138 in 2000
1990 – 2024
Population density
3,121 / sq mi
+29%since 2000
from 2,424 / sq mi in 2000
US average: 280
Median age
63.3
−11%since 2000
from 70.8 in 2000
US average: 38.8
Population, 1990 – 2024
4K4K5K5K5K1990201020202024Lake San Marcos
20245K
1990201020202024
Section 02

Income & economy

Median household income
$76,958
+1%inflation adjusted, since 2000
from $50,857 in 2000
US average: $66,278
1990 – 2024
Per capita income
$54,004
+51%since 2000
from $35,768 in 2000
US average: $35,364
Households earning $100K+
53.5%
+23.2 ptssince 2009
from 30.3% in 2009
US average: 43.9%
Poverty rate
6.0%
+2.8 ptssince 2000
from 3.2% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade11.7%
US avg: 10%
Other services10%
US avg: 6.6%
Information8.2%
US avg: 11.1%
Agriculture, forestry, fishing6.6%
US avg: 1.7%
Construction6.6%
US avg: 1.2%
Public administration6.1%
US avg: 4.7%
Wholesale trade5.4%
US avg: 6.7%
Finance & insurance2%
US avg: 5.5%
Transportation & warehousing1.6%
US avg: 2.5%
Professional, scientific, technical1.5%
US avg: 4.7%
Arts, entertainment, food0.5%
US avg: 2%
Education & health services0.5%
US avg: 0.8%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$605,800
+74%inflation adjusted, since 2000
from $231,300 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$2,271
+41%inflation adjusted, since 2000
from $1,068 in 2000
US average: $1,124
Owner-occupied
76.8%
−9.8 ptssince 2000
from 86.6% in 2000
23.2% rent
Afford Score
7.9
+73%since 2000
from 4.5 in 2000
1990 – 2024
RELATED:See current rent listings in Lake San Marcos on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic90.9%(3,761)
Black0.3%(11)
Hispanic / Latino5.7%(237)
Asian1.7%(71)
Other0%
Diversity Score18.3%(758)
2020
White, non-Hispanic76.4%(4,068)
Black0.5%(29)
Hispanic / Latino12.9%(686)
Asian5.6%(296)
Other1.7%(90)
Diversity Score44.9%(2,394)
Diversity Score
45
+145%since 2000
from 18 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
46.8%
+10.9 ptssince 2000
from 35.9% in 2000
US average: 32.9%
High school or higher
95.2%
+3.3 ptssince 2000
from 91.8% in 2000
US average: 88.5%
Graduate degree
17.4%
+5.9 ptssince 2000
from 11.5% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
27.6 min
+87%since 2000
from 14.8 min in 2000
US average: 26.9
Drive alone to work
74.9%
−3.0 ptssince 2009
from 77.9% in 2009
US average: 75.1%
No vehicle available
5.1%
−3.7 ptssince 2009
from 8.8% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
6.6%
−2.2 ptssince 2011
from 8.8% in 2011
US average: 5.4%
Labor force participation
46.5%
+7.2 ptssince 2011
from 39.3% in 2011
US average: 63.4%
Management & professional
43.9%
−34.1 ptssince 2009
from 78.0% in 2009
US average: 39.3%
Section 08

People & community

Male
49.9%
+11.3 ptssince 2009
from 38.6% in 2009
Female
50.1%
−11.3 ptssince 2009
from 61.4% in 2009
Foreign born
15.7%
+6.6 ptssince 2009
from 9.1% in 2009
US average: 13.5%
Uninsured
3.0%
−86.6 ptssince 2013
from 89.6% in 2013
US average: 8.8%
Drill deeper

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Head to head

Compare Lake San Marcos to nearby cities

LAKE SAN MARCOS VS
San Marcos
Income$109,377+42%
Home value$868,000+43%
Population94,908+1922%
SEE FULL COMPARISON →
LAKE SAN MARCOS VS
Carlsbad
Income$142,748+85%
Home value$1,257,000+107%
Population112,260+2292%
SEE FULL COMPARISON →
LAKE SAN MARCOS VS
Vista
Income$94,975+23%
Home value$762,400+26%
Population98,274+1994%
SEE FULL COMPARISON →
LAKE SAN MARCOS VS
Encinitas
Income$162,229+111%
Home value$1,646,800+172%
Population60,736+1194%
SEE FULL COMPARISON →
Frequently asked

How many people live in Lake San Marcos, California?

Lake San Marcos, California has about 5,328 residents according to the 2020 American Community Survey.

What is the median household income in Lake San Marcos, California?

The typical household in Lake San Marcos, California earns about $76,958 a year. Half of households make more than that, and half make less.

Is Lake San Marcos, California expensive?

In Lake San Marcos, California, the median home is worth about $605,800, and the typical rent is about $2,271 a month.

How educated are people in Lake San Marcos, California?

About 46.8% of adults age 25 and over in Lake San Marcos, California hold a bachelor's degree or higher.

What is the poverty rate in Lake San Marcos, California?

About 6.0% of people in Lake San Marcos, California live below the federal poverty line.

Has Lake San Marcos, California grown since 1990?

Yes, Lake San Marcos, California has grown since 1990. The population has added about 1,526 residents, a change of about 40 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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