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CITY · 2010 ACS

Lake San Marcos

California · 4,437 residents · 1.707 sq mi
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The short version

Lake San Marcos has lower-than-average household income, with a median household income of $45,055. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $480,800. With a median age of 63.3, the population is older than the US median of 37.2. Households here earn about 26% less than the California median. 39% of adults hold a bachelor's degree, well above the US average, yet household income trails the national figure — a profile common to graduate-student tracts and academic hubs.

At a glance
Lower income
below the US median
US median: $52,703
Older
median age 63.3
US median: 37.2
More educated
39% hold a bachelor's degree
US average: 28%
Less affordable
home values up 64%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
4,437
+7%since 2000
from 4,138 in 2000
1990 – 2024
Population density
2,599 / sq mi
+7%since 2000
from 2,424 / sq mi in 2000
US average: 261
Median age
63.3
−11%since 2000
from 70.8 in 2000
US average: 37.2
Population, 1990 – 2024
4K4K5K5K5K1990201020202024Lake San Marcos
20245K
1990201020202024
Section 02

Income & economy

Median household income
$45,055
−30%inflation adjusted, since 2000
from $50,857 in 2000
US average: $52,703
1990 – 2024
Per capita income
$41,510
+16%since 2000
from $35,768 in 2000
US average: $27,286
Households earning $100K+
32.2%
+1.9 ptssince 2009
from 30.3% in 2009
US average: 33.3%
Poverty rate
7.3%
+4.1 ptssince 2000
from 3.2% in 2000
US average: 13.8%
Income inequality (Gini)
0.490
US average: 0.461
Workforce by industry, 2010
Information10.8%
US avg: 11.5%
Other services10.7%
US avg: 7%
Retail trade9.2%
US avg: 10.9%
Wholesale trade5%
US avg: 7.2%
Transportation & warehousing3.1%
US avg: 3.1%
Finance & insurance2%
US avg: 5.1%
Education & health services2%
US avg: 0.9%
Public administration2%
US avg: 4.9%
Agriculture, forestry, fishing1.9%
US avg: 1.9%
Manufacturing1.9%
US avg: 0.5%
Arts, entertainment, food1.3%
US avg: 2.4%
Construction0%
US avg: 1.4%
Professional, scientific, technical0%
US avg: 4.2%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$480,800
+64%inflation adjusted, since 2000
from $231,300 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$1,625
+20%inflation adjusted, since 2000
from $1,068 in 2000
US average: $853
Owner-occupied
45.1%
−41.5 ptssince 2000
from 86.6% in 2000
21.2% rent
Vacancy rate
7.8%
+0.9 ptssince 2009
from 6.9% in 2009
US average: 12.1%
Owner cost-burdened
46.1%
+5.6 ptssince 2009
from 40.5% in 2009
US average: 30.9%
Renter cost-burdened
77.9%
+1.1 ptssince 2009
from 76.8% in 2009
US average: 46.8%
Afford Score
10.7
+135%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)
2010
White, non-Hispanic83.7%(3,712)
Black0.8%(35)
Hispanic / Latino10.5%(464)
Asian3%(132)
Other1.5%(67)
Diversity Score34.9%(1,548)
Diversity Score
35
+90%since 2000
from 18 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
38.7%
+2.8 ptssince 2000
from 35.9% in 2000
US average: 27.9%
High school or higher
96.0%
+4.2 ptssince 2000
from 91.8% in 2000
US average: 84.9%
Graduate degree
16.7%
+5.2 ptssince 2000
from 11.5% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
27.6 min
+87%since 2000
from 14.8 min in 2000
US average: 25.2
Drive alone to work
80.8%
+2.9 ptssince 2009
from 77.9% in 2009
US average: 76.2%
Carpooled to work
9.9%
−2.7 ptssince 2009
from 12.5% in 2009
US average: 10.4%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 4.7%
Worked from home
8.3%
−0.1 ptssince 2009
from 8.3% in 2009
US average: 4.1%
Walked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 2.8%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
8.4%
−0.4 ptssince 2009
from 8.8% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
9.5%
−1.4 ptssince 2009
from 10.9% in 2009
US average: 12.9%
Management & professional
42.6%
−35.4 ptssince 2009
from 78.0% in 2009
US average: 35.2%
Section 08

People & community

Male
38.6%
Unchangedsince 2009
from 38.6% in 2009
Female
61.4%
Unchangedsince 2009
from 61.4% in 2009
Foreign born
7.0%
−2.1 ptssince 2009
from 9.1% in 2009
US average: 12.8%
Veterans
18.2%
−18.2 ptssince 2009
from 36.4% in 2009
US average: 9.9%
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+143%
Home value$868,000+81%
Population94,908+1922%
SEE FULL COMPARISON →
LAKE SAN MARCOS VS
Carlsbad
Income$142,748+217%
Home value$1,257,000+161%
Population112,260+2292%
SEE FULL COMPARISON →
LAKE SAN MARCOS VS
Vista
Income$94,975+111%
Home value$762,400+59%
Population98,274+1994%
SEE FULL COMPARISON →
LAKE SAN MARCOS VS
Encinitas
Income$162,229+260%
Home value$1,646,800+243%
Population60,736+1194%
SEE FULL COMPARISON →
Frequently asked

How many people live in Lake San Marcos, California?

Lake San Marcos, California has about 4,437 residents according to the 2010 American Community Survey.

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

The typical household in Lake San Marcos, California earns about $45,055 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 $480,800, and the typical rent is about $1,625 a month.

How educated are people in Lake San Marcos, California?

About 38.7% 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 7.3% 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 635 residents, a change of about 17 percent over that period.

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

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