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Population Review

San Luis Obispo, California Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates

The population of San Luis Obispo, California is 48,039 as of the 2023 American Community Survey, making it the 196th-largest city in California. The median household income is $66,711, the median home value is $896,500, and the median age is 26.2.

The population has grown 10.1% since 2010 (45,156 → 49,729).

48,039

Population

3522

People / sq mi

$66,711

Median Income

$896,500

Median Home Value

San Luis Obispo covers 13.6 sq mi of land at 3522 people per square mile.

About San Luis Obispo, CA

San Luis Obispo is a city in California with a population of 48,039. It ranks #196 among cities in California by population. The median age is 26.2, younger than the national median. The population is 49.9% male and 50.1% female.

The median household income in San Luis Obispo is $66,711, below the US median of $74,580. 6.5% of residents live below the federal poverty level. Home values sit at a median of $896,500, with monthly rent averaging $1,906. The homeownership rate of 39.0% is lower than the national rate of 64.8%.

Educational attainment in San Luis Obispo reflects 54.4% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 15.9% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 15.6 minutes each way.

San Luis Obispo city Population History (2010-2024)

The city of San Luis Obispo city had a population of 45,156 in 2010 and 49,729 in 2024, a 10.1% growth over 14 years. The peak was 49,729 in 2024. Average annual growth rate: 0.69%.

2024 · 50K20102024

49,729

Population (2024)

45,156

Population (2010)

49,729

Peak (2024)

0.69%

Avg Annual Growth

YearPopulation
201045,156
201145,346
201245,728
201346,236
201446,478
201547,016
201647,313
201747,344
201847,300
201947,459
202047,191
202147,882
202248,498
202349,110
202449,729

Race & Ethnicity

White75.9%
Black or African American1.2%
Asian0.0%
Hispanic or Latino (any race)1.4%
Two or More Races0.0%

Economy & Income

$66,711

Median Household Income

$45,462

Per Capita Income

6.5%

Poverty Rate

4.2%

Unemployment Rate

Housing

$896,500

Median Home Value

$1,906

Median Rent

39.0%

Owner-Occupied

Education

96.0%

High School+

54.4%

Bachelor's+

Commute

1.4%

Drive Alone

64.0%

Public Transit

15.9%

Work From Home

15.6 min

Avg Commute

Community Profile

22.3%

Foreign Born

83.4%

Non-English at Home

3.3%

Veterans

9.4%

With Disability

94.4%

Health Insurance

96.5%

Internet Access

Employment by Industry

Professional, Scientific & Management26.0%
Education, Health Care & Social Services17.1%
Finance, Insurance & Real Estate16.4%
Manufacturing7.3%
Public Administration4.9%
Arts, Entertainment & Food Services4.1%
Construction4.1%
Retail Trade3.3%
Information2.9%
Transportation & Warehousing1.2%
Agriculture & Mining1.1%

Largest cities in California

Largest counties in California

Part of California

Metro areas in California

City rankings

Frequently Asked Questions

San Luis Obispo, California has a population of 48,039 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 196th-largest city in California.

The median household income in San Luis Obispo, California is $66,711, with 6.5% of residents living below the federal poverty level.

The median home value in San Luis Obispo, California is $896,500, with median monthly rent at $1,906 and a homeownership rate of 39.0%.

The median age in San Luis Obispo, California is 26.2 years. The population is 49.9% male and 50.1% female.

The population has grown 10.1% since 2010 (45,156 → 49,729).

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.