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CITY · 1990 CENSUS

Lake San Marcos

California · 3,802 residents · 1.707 sq mi
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The short version

Lake San Marcos is significantly wealthier than the US average, with a median household income of $46,292. Population has declined 8% since 2000. 33% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $240,300. With a median age of 68.6, the population is older than the US median of 33.0. Households here earn about 29% more than the California median.

At a glance
Wealthier
above the US median
US median: $30,130
Older
median age 68.6
US median: 33.0
More educated
33% hold a bachelor's degree
US average: 20%
Less affordable
home values up 37%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

3,802
−8%vs 2000
vs 4,138 in 2000
1990 – 2024
2,227 / sq mi
−8%vs 2000
vs 2,424 / sq mi in 2000
US average: 221
68.6
−3%vs 2000
vs 70.8 in 2000
US average: 33.0
Population, 19902024
4K4K5K5K5K1990201020202024Lake San Marcos
20245K
1990201020202024
Section 02

Income & economy

$46,292
+20%inflation adjusted, since 2000
vs $50,857 in 2000
US average: $30,130
1990 – 2024
$32,176
−10%vs 2000
vs $35,768 in 2000
US average: $14,340
3.9%
+0.7 ptsvs 2000
vs 3.2% in 2000
US average: 13.2%
Section 03

Housing

$240,300
+37%inflation adjusted, since 2000
vs $231,300 in 2000
US average: $93,722
1990 – 2024
$913
+13%inflation adjusted, since 2000
vs $1,068 in 2000
US average: $450
87.4%
+0.8 ptsvs 2000
vs 86.6% in 2000
12.6% rent
5.2
+14%vs 2000
vs 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)
1990
White, non-Hispanic98%(3,725)
Black0%(0)
Hispanic / Latino4.7%(179)
Asian0%(0)
Other2%(77)
Diversity Score15.3%(580)
15
−17%vs 2000
vs 18 in 2000
1990 – 2024
Section 05

Education

33.2%
−2.7 ptsvs 2000
vs 35.9% in 2000
US average: 20.3%
High school or higher
92.9%
+1.1 ptsvs 2000
vs 91.8% in 2000
US average: 75.2%
9.5%
−2.0 ptsvs 2000
vs 11.5% in 2000
US average: 7.1%
Section 06

Commute & transportation

22.7 min
+54%vs 2000
vs 14.8 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Lake San Marcos, California?

Lake San Marcos, California has about 3,802 residents according to the 1990 Census.

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

The typical household in Lake San Marcos, California earns about $46,292 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 $240,300, and the typical rent is about $913 a month.

How educated are people in Lake San Marcos, California?

About 33.2% 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 3.9% of people in Lake San Marcos, California live below the federal poverty line.

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

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