Lakeside Cdp (San Diego County), California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Lakeside Cdp (San Diego County), California is 21,788 as of the 2023 American Community Survey, making it the 333rd-largest city in California. The median household income is $94,877, the median home value is $585,500, and the median age is 38.4.
21,788
Population
3144
People / sq mi
$94,877
Median Income
$585,500
Median Home Value
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Lakeside Cdp (San Diego County) covers 6.9 sq mi of land at 3144 people per square mile.
About Lakeside Cdp (San Diego County), CA
Housing cost is the defining feature of Lakeside Cdp (San Diego County): the median home is valued at $585,500. With 21,788 residents, Lakeside Cdp (San Diego County) is a city in California.
Household earnings are middling, with a median of $94,877 — above the US median of $78,538. About 7.5% of residents live below the federal poverty level, below the national 12.4%. A typical home is worth $585,500, with typical rent around $1,976.
Roughly 24.8% of adults have a bachelor’s, below the national 35.0%. Around 13.8% of workers work from home, close to the national 14.0%, and the average commute runs about 28 minutes each way.
High housing values reframe the income picture in Lakeside Cdp (San Diego County) — even solid earnings stretch less against home prices and rents at this level.
Race & Ethnicity
| White | 74.6% |
| Black or African American | 2.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.3% |
Economy & Income
$94,877
Median Household Income
$39,128
Per Capita Income
7.5%
Poverty Rate
4.1%
Unemployment Rate
Housing
$585,500
Median Home Value
$1,976
Median Rent
68.4%
Owner-Occupied
Education
90.6%
High School+
24.8%
Bachelor's+
Commute
1.5%
Drive Alone
75.6%
Public Transit
13.8%
Work From Home
27.7 min
Avg Commute
Community Profile
22.8%
Foreign Born
82.2%
Non-English at Home
10.5%
Veterans
16.0%
With Disability
94.6%
Health Insurance
97.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.2% |
| Construction | 13.7% |
| Education, Health Care & Social Services | 11.3% |
| Finance, Insurance & Real Estate | 10.8% |
| Manufacturing | 8.3% |
| Public Administration | 7.2% |
| Information | 5.9% |
| Retail Trade | 5.4% |
| Arts, Entertainment & Food Services | 2.4% |
| Transportation & Warehousing | 0.6% |
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Frequently Asked Questions
Lakeside Cdp (San Diego County), California has a population of 21,788 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 333rd-largest city in California.
The median household income in Lakeside Cdp (San Diego County), California is $94,877, with 7.5% of residents living below the federal poverty level.
The median home value in Lakeside Cdp (San Diego County), California is $585,500, with median monthly rent at $1,976 and a homeownership rate of 68.4%.
The median age in Lakeside Cdp (San Diego County), California is 38.4 years. The population is 47.4% male and 52.6% female.
Lakeside Cdp (San Diego County), CA Climate
Lakeside Cdp (San Diego County), CA has an average annual temperature of 17.9°C (64°F) and receives about 358 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
17.9°C
Avg Temp
358
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 13° / 55° | 70 mm |
| February | 13° / 56° | 65 mm |
| March | 14° / 57° | 66 mm |
| April | 16° / 61° | 30 mm |
| May | 18° / 64° | 9 mm |
| June | 21° / 69° | 2 mm |
| July | 24° / 75° | 2 mm |
| August | 25° / 76° | 5 mm |
| September | 23° / 74° | 8 mm |
| October | 20° / 69° | 11 mm |
| November | 16° / 60° | 41 mm |
| December | 13° / 55° | 49 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Lakeside Cdp (San Diego County), CA
The most comfortable months to visit Lakeside Cdp (San Diego County), CA are typically June, October and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 33°C high). The coldest is January (near 6°C low). January is usually the wettest month.
Where to stay near Lakeside Cdp (San Diego County)
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.