Lake San Marcos

Population: 4,996
Median household income: $100,676
Median home value: $859,600

Lake San Marcos is a community in San Diego County, California, home to 4,996 residents. Its median household income of $100,676 runs in line with the San Diego County figure of $102,285.

From 2019 to 2023, Lake San Marcos's population grew 6.0% from 4,713 to 4,996, while its median home value rose 42.6% from $602,700 to $859,600.

The typical home was built around 1979. 6.3% of residents live below the poverty line.

Demographics

ACS 2019–2023

Population: 4,996
Median age: 60.1 yrs
Median household income: $100,676
Median home value: $859,600
Median gross rent: $2,615
Housing units: 2,285
Homeownership rate: 78.4%
Bachelor's degree or higher: 35.5%
Unemployment rate: 3.4%

Trends

ACS 5-year · 2019–2023

Population

4,7134,996

Median household income

$71,923$100,676

Median home value

$602,700$859,600

Median gross rent

$1,988$2,615

Year	Population	Median household income	Median home value	Median gross rent
2019	4,713	$71,923	$602,700	$1,988
2020	3,957	$76,958	$605,800	$2,271
2021	4,127	$91,308	$646,100	$2,337
2022	4,080	$94,811	$712,800	$2,412
2023	4,996	$100,676	$859,600	$2,615

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 51.7%

5 to 179.5%

18 to 244.4%

25 to 3410.0%

35 to 447.1%

45 to 5411.9%

55 to 6414.8%

65 to 7420.0%

75 and over20.6%

	Count	Share
Under 5	83	1.7%
5 to 17	474	9.5%
18 to 24	218	4.4%
25 to 34	499	10.0%
35 to 44	356	7.1%
45 to 54	597	11.9%
55 to 64	740	14.8%
65 to 74	999	20.0%
75 and over	1,030	20.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	3,367	67.4%
Black or African American	51	1.0%
American Indian & Alaska Native	0	0.0%
Asian	283	5.7%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	17	0.3%
Two or more races	197	3.9%
Hispanic or Latino (any race)	1,081	21.6%

Educational attainment (age 25+)

No high school diploma12.6%

High school graduate14.8%

Some college or associate's37.1%

Bachelor's degree22.8%

Graduate or professional degree12.8%

	Count	Share
No high school diploma	530	12.6%
High school graduate	626	14.8%
Some college or associate's	1,565	37.1%
Bachelor's degree	961	22.8%
Graduate or professional degree	539	12.8%

Commute to work

Mean travel time to work: 22 min

Drove alone73.5%

Carpooled4.5%

Public transit0.0%

Walked0.6%

Bicycle0.0%

Worked from home21.0%

Other means0.4%

How workers get to work

	Count	Share
Drove alone	1,579	73.5%
Carpooled	97	4.5%
Public transit	0	0.0%
Walked	12	0.6%
Bicycle	0	0.0%
Worked from home	451	21.0%
Other means	9	0.4%

Travel time

	Count	Share
Under 15 min	370	21.8%
15 to 29 min	821	48.4%
30 to 44 min	376	22.2%
45 to 59 min	91	5.4%
60+ min	39	2.3%

Households

Average household size: 2.28
Poverty rate: 6.3% (310 of 4,888)

	Count	Share
Family households	1,277	59.5%
Nonfamily households	871	40.5%

Housing

Median year structure built: 1979

Occupancy

	Count	Share
Occupied	2,148	94.0%
Vacant	137	6.0%

Tenure (of occupied units)

	Count	Share
Owner-occupied	1,684	78.4%
Renter-occupied	464	21.6%

1-unit, detached62.7%

1-unit, attached20.1%

2 to 4 units3.9%

5 to 19 units6.1%

20 or more units7.3%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	1,432	62.7%
1-unit, attached	460	20.1%
2 to 4 units	88	3.9%
5 to 19 units	139	6.1%
20 or more units	166	7.3%
Mobile home & other	0	0.0%

Geography

Place GEOID: 0639724
Type (LSAD): 57
Land area: 1.71 sq mi
Water area: 0.1 sq mi
Center point: 33.1224, -117.2086