San Lorenzo, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of San Lorenzo, California is 29,453 as of the 2023 American Community Survey, making it the 273rd-largest city in California. The median household income is $110,495, the median home value is $833,800, and the median age is 40.3.
29,453
Population
9669
People / sq mi
$110,495
Median Income
$833,800
Median Home Value
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San Lorenzo covers 3.0 sq mi of land at 9669 people per square mile.
About San Lorenzo, CA
What distinguishes San Lorenzo is density: among the most densely settled of US cities, around 9,669 people per square mile. With 29,453 residents, San Lorenzo is a city in California.
Median household income is $110,495, above the US median of $78,538. Only 4.0% of residents live in poverty, below the national 12.4%. Real estate commands a premium here — a median home value of $833,800, with typical rent around $2,193.
Degree attainment is mid-range for US cities: 25.4% of adults hold a four-year degree, below the national 35.0%. About 8.4% of the workforce is home-based, below the national 14.0%, and the average commute runs about 32 minutes each way.
That density explains much of the rest of the profile in San Lorenzo: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Race & Ethnicity
| White | 27.8% |
| Black or African American | 4.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.1% |
| Two or More Races | 0.0% |
Economy & Income
$110,495
Median Household Income
$41,279
Per Capita Income
4.0%
Poverty Rate
3.8%
Unemployment Rate
Housing
$833,800
Median Home Value
$2,193
Median Rent
66.3%
Owner-Occupied
Education
82.3%
High School+
25.4%
Bachelor's+
Commute
3.9%
Drive Alone
71.6%
Public Transit
8.4%
Work From Home
32.1 min
Avg Commute
Community Profile
8.9%
Foreign Born
43.1%
Non-English at Home
3.1%
Veterans
13.7%
With Disability
97.2%
Health Insurance
94.9%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 20.2% |
| Finance, Insurance & Real Estate | 12.9% |
| Manufacturing | 10.7% |
| Retail Trade | 9.8% |
| Construction | 8.9% |
| Education, Health Care & Social Services | 8.4% |
| Arts, Entertainment & Food Services | 4.6% |
| Information | 4.3% |
| Public Administration | 3.9% |
| Transportation & Warehousing | 2.3% |
| Agriculture & Mining | 0.2% |
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Frequently Asked Questions
San Lorenzo, California has a population of 29,453 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 273rd-largest city in California.
The median household income in San Lorenzo, California is $110,495, with 4.0% of residents living below the federal poverty level.
The median home value in San Lorenzo, California is $833,800, with median monthly rent at $2,193 and a homeownership rate of 66.3%.
The median age in San Lorenzo, California is 40.3 years. The population is 50.1% male and 49.9% female.
San Lorenzo Cdp, CA Climate
San Lorenzo Cdp, CA has an average annual temperature of 15.1°C (59°F) and receives about 473 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
15.1°C
Avg Temp
473
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 10° / 50° | 97 mm |
| February | 12° / 53° | 83 mm |
| March | 13° / 55° | 75 mm |
| April | 14° / 58° | 31 mm |
| May | 16° / 61° | 10 mm |
| June | 18° / 65° | 3 mm |
| July | 19° / 67° | 1 mm |
| August | 20° / 67° | 2 mm |
| September | 19° / 67° | 6 mm |
| October | 17° / 63° | 29 mm |
| November | 13° / 55° | 67 mm |
| December | 10° / 50° | 69 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 San Lorenzo Cdp, CA
The most comfortable months to visit San Lorenzo Cdp, CA are typically August, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 26°C high). The coldest is January (near 6°C low). January is usually the wettest month.
Where to stay near San Lorenzo
Visiting or relocating to San Lorenzo, CA? Compare hotels and short-term rentals across the metro — live availability and prices.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.