County profile

San Luis Obispo County

California · ACS 2020–2024

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Latest estimates

At a glance

U.S. Census Bureau American Community Survey 5-year estimates.

Total population
281,555
Median household income
$97,446
People below poverty
12.9%
Median home value
$824,700

Income

The median income of households in San Luis Obispo County, California was $97,446. An estimated 4.3% of households had income below $10,000 a year and 17.4% had income of $200,000 or more.

Household Income in San Luis Obispo County, California in 2020-2024

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Percent
Less than $10,000 4.3
$10,000 to $14,999 2.6
$15,000 to $24,999 5.6
$25,000 to $34,999 4.8
$35,000 to $49,999 8.6
$50,000 to $74,999 13.2
$75,000 to $99,999 12
$100,000 to $149,999 19.4
$150,000 to $199,999 12
$200,000 or more 17.4

Median Earnings for Full-Time Year-Round Workers by Sex in San Luis Obispo County, California in 2020-2024

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Dollars
Male 77211
Female 64155

An estimated 73.8% of households received earnings. An estimated 36% of households received Social Security and an estimated 31.2 % of households received retirement income other than Social Security. The average income from Social Security was $25,839. These income sources are not mutually exclusive; that is, some households received income from more than one source.

Proportion of Households with Various Income Sources in San Luis Obispo County, California in 2020-2024

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Percent
Earnings 73.8
Social Security 36
Retirement income 31.2
Supplemental Security Income (SSI) 4.2
Cash public assistance income 2.5

Poverty and Participation in Government Programs

In 2020-2024, 12.9 % of people were in poverty. An estimated 12.6% of children under 18 were below the poverty level, compared with 7.2% of people 65 years old and over. An estimated 15.2% of people 18 to 64 years were below the poverty level.

Poverty Rates in San Luis Obispo County, California in 2020-2024

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Percent
People in poverty 12.9
Children under 18 years below poverty 12.6
People 65 years old and over below poverty 7.2
People 18 to 64 years below poverty 15.2

In 2020-2024, 8.2 % of households received SNAP (the Supplemental Nutrition Assistance Program). An estimated 40.1% of households that received SNAP had children under 18, and 41.3% of households that received SNAP had one or more people 60 years and over. An estimated 22.4% of all households receiving SNAP were families with a female householder and no spouse present.


Among the civilian noninstitutionalized population in San Luis Obispo County, California in 2020-2024, 94.3% had health insurance coverage and 5.7% did not have health insurance coverage. Private coverage was 72.3% and public coverage was 38.1%, respectively. The percentage of children under the age of 19 with no health insurance coverage was 3.6%.


In 2020-2024, San Luis Obispo County, California had a total population of 281,555 - 139,589 (49.6%) females and 141,966 (50.4%) males. The median age was 40.4 years. An estimated 17.5% of the population was under 18 years, 32.7% was 19 to 44 years, 22.8% was 45 to 64 years, and 22.1 % was 65 years and older.

Population by Age and Sex for San Luis Obispo County, California in 2020-2024

Male Female
Under 5 6202 6102
5 to 9 6500 6934
10 to 14 7768 6679
15 to 19 11828 11121
20 to 24 15286 12783
25 to 29 7927 7396
30 to 34 8475 7309
35 to 39 9172 8118
40 to 44 7931 7581
45 to 49 7478 6916
50 to 54 7654 7139
55 to 59 7902 8133
60 to 64 8905 9978
65 to 69 9399 10492
70 to 74 8129 8952
75 to 79 5558 6745
80 to 84 2864 3577
85 and over 2988 3634

Hispanic Origin and Race

For people reporting one race alone, 69.3% were White; 1.2% were Black or African American; 8.1% were American Indian and Alaska Native; 3.7% were Asian; 0.3% were Native Hawaiian and Other Pacific Islander, and 0% were Some Other Race. An estimated 17% reported Two or More Races. An estimated 25% of the people in San Luis Obispo County, California were Hispanic or Latino. An estimated 64.5% of the people in San Luis Obispo County, California were White alone, non-Hispanic. People of Hispanic origin may be of any race.


Households and Families

In 2020-2024, there were 109,503 households in San Luis Obispo County, California. The average household size was 2.43 people.

Married-couple households made up 49.4% of the households in San Luis Obispo County, California while cohabiting couple households made up 7.5% of households. Female householders with no spouse or partner present were 26.3% of all households, while 16.9% of households had male householders with no spouse or partner present. Some households had one person, as 10.5% of households were male householders living alone, and 15.5% were female householders living alone, for a total of 26% of all households.

In San Luis Obispo County, California, 24.4% of all households had one or more people under the age of 18; 40.2% of all households had one or more people 65 years and over.

Types of Households in San Luis Obispo County, California in 2020-2024

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Percent
Married-couple households 49.4
Cohabiting Couples 7.5
Male Householder
No spouse/partner present
16.9
Female Householder
No spouse/partner present
26.3

Marital Status

Among persons 15 and older, 48.4% of males and 46.8% of females were currently married.

Population 15 years and over Percent
Males
Percent
Females
Never married 39.7 32.1
Now married, except separated 48.4 46.8
Separated 1.4 1.6
Widowed 2.4 7.5
Divorced 8.1 12.1

Grandparents and Grandchildren

In San Luis Obispo County, California, 4,453 grandparents lived with their grandchildren under 18 years old. Of those grandparents, 24% were responsible for the basic needs of their grandchildren.


Nativity and Foreign-Born

In 2020-2024, an estimated 90.1% of the people living in San Luis Obispo County, California were U.S. natives. 68.9% of the San Luis Obispo County, California population were living in the state where they were born.

Approximately 9.9% of San Luis Obispo County, California residents in 2020-2024 were foreign-born. 51.7% of foreign-born were naturalized U.S. citizens and an estimated 79.7 % entered the country before the year 2010.

Foreign-born residents of San Luis Obispo County, California come from different parts of the world. The bar graph below displays the percentage of foreign-born from each world region of birth in 2020-2024 for San Luis Obispo County, California.

Region of Birth for the Foreign-Born Population in San Luis Obispo County, California in 2020-2024

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Percent
Latin America 59.2
Asia 18.5
Europe 14.2
Africa 2.6
Northern America 4.5
Oceania 0.9

Language

Among people at least five years old living in San Luis Obispo County, California in 2020-2024, 17.5 % spoke a language other than English at home. Spanish was spoken by 13% of people at least five years old; 5.5% reported that they did not speak English "very well."

Percentage of the Population 5 years and over who Speak a Language other than English in San Luis Obispo County, California in 2020-2024

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Percent
Spanish 13
Other Indo-European languages 1.7
Asian and Pacific Islander languages 2
Other languages 0.8

Geographic Mobility

In 2020-2024, 82.8 % of the people at least one year old living in San Luis Obispo County, California were living in the same house one year earlier.

Geographic Mobility of Residents of San Luis Obispo County, California in 2020-2024

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Percent
Same house 82.8
Different house, same county 9.4
Different county, same state 6.1
Different state 1.5
Abroad 0.2

Education

In 2020-2024, 92.2 % of people 25 years and over had at least graduated from high school and 39.8% had a bachelor's degree or higher. An estimated 7.8% did not complete high school.

The total school enrollment in San Luis Obispo County, California was 77,458 in 2020-2024. Nursery school enrollment was 3,233 and kindergarten through 12th grade enrollment was 37,626. College or graduate school enrollment was 36,599.

Educational Attainment of People in San Luis Obispo County, California in 2020-2024

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Percent
Less than high school diploma 7.8
High school diploma or equivalency 18.1
Some college, no degree 23.6
Associate's degree 10.7
Bachelor's degree 24.2
Graduate or professional degree 15.6

Disability

In San Luis Obispo County, California, among the civilian noninstitutionalized population in 2020-2024, 13.3 % reported a disability. The likelihood of having a disability varied by age - from 4.2% of people under 18 years old, to 9.4% of people 18 to 64 years old, and to 30.9% of those 65 and over.


Employment Status and Type of Employer

In San Luis Obispo County, California, 54.7 % of the population 16 and over were employed; 41.8% were not currently in the labor force.

An estimated 72% of the people employed were private wage and salary workers; 19.5% were federal, state, or local government workers; and 8.3 % were self-employed in their own (not incorporated) business.

Class of worker Number Percent
Private wage and salary workers 93,949 72
Federal, state, or local government workers 25,395 19.5
Self-employed workers in own not incorporated business 10,824 8.3

Industries

In 2020-2024, the civilian employed population 16 years and older in San Luis Obispo County, California worked in the following industries:

Percent by Industry in San Luis Obispo County, California in 2020-2024

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Percent
Agriculture, forestry, fishing and hunting, and mining 3.3
Construction 7.8
Manufacturing 7.7
Wholesale trade 1.4
Retail trade 10.9
Transportation and warehousing, and utilities 4.6
Information 1.8
Finance and insurance, and real estate and rental and leasing 4.2
Professional, scientific, and management, and administrative and waste management services 12
Educational services, and health care and social assistance 23.4
Arts, entertainment, and recreation, and accommodation, and food services 12.1
Other Services, except public administration 4.9
Public administration 5.8

Occupations

Occupations for the Civilian Employed Population 16 Years and over in San Luis Obispo County, California in 2020-2024

Civilian employed population 16 years and over Number Percent
Management, business, sciences, and arts occupations 56,231 43.1
Service occupations 25,188 19.3
Sales and office occupations 26,152 20
Natural resources, construction, and maintenance occupations 11,940 9.2
Production, transportation, and material moving occupations 10,939 8.4

Commuting to Work

An estimated 70.5% of San Luis Obispo County, California workers drove to work alone in 2020-2024, and 7.7% carpooled. Among those who commuted to work, it took them on average 22.3 minutes to get to work.

Percent of Workers 16 and over Commuting by Mode in San Luis Obispo County, California in 2020-2024

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Percent
Car, truck, van -- drove alone 70.5
Car, truck, van -- carpooled 7.7
Public transportation (excluding taxicab) 0.6
Walked 3.8
Other means 2.2
Worked from home 15.2

In 2020-2024, San Luis Obispo County, California had a total of 125,669 housing units. Of these housing units, 73.9% were single-family houses either not attached to any other structure or attached to one or more structures (commonly referred to as "townhouses" or "row houses"). 18.2% of the housing units were located in multi-unit structures, or those buildings that contained two or more apartments. 7.7% were mobile homes, while any remaining housing units were classified as "other," which included boats, recreational vehicles, vans, etc.

Types of Housing Units in San Luis Obispo County, California in 2020-2024

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Percent
Single-family houses 73.9
Apartments in multi-unit structures 18.2
Mobile homes 7.7
Boat, RV, van, etc 0.2

8.7% of the housing inventory was comprised of houses built since 2010, while 5.1% of the houses were first built in 1939 or earlier. The median number of rooms in all housing units in San Luis Obispo County, California was 5.2 rooms, and of these housing units 58.3% had three or more bedrooms.


In 2020-2024, San Luis Obispo County, California had 109,503 housing units that were occupied or had people living in them, while the remaining 16,166 were vacant. Of the occupied housing units, the percentage of these houses occupied by owners (also known as the homeownership rate) was 62.1% while renters occupied 37.9%. The average household size of owner-occupied houses was 2.46 and in renter-occupied houses it was 2.4.

5% of householders of these occupied houses had moved into their house since 2021, while 7.7% moved into their house in 1989 or earlier. Households without a vehicle available for personal use comprised 3.8% and another 30.4% had three or more vehicles available for use.

The following chart provides the primary fuel used to heat houses in San Luis Obispo County, California:

House Heating Fuel Used in San Luis Obispo County, California in 2020-2024

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Percent
Gas 73.2
Electricity 20.7
Fuel oil, kerosene, etc 0
All other fuels 4.9
No fuel used 1.2

In 2020-2024, the median property value for owner-occupied houses in San Luis Obispo County, California was $824,700.

Of the owner-occupied households, 63.8 % had a mortgage. 36.2% owned their houses "free and clear," that is without a primary mortgage or loan on the house. The median monthly housing costs for owners with a mortgage was $2,887 and for owners without a mortgage it was $849.

For renter-occupied houses, the median gross rent for San Luis Obispo County, California was $1,992. Gross rent includes the monthly contract rent and any monthly payments made for electricity, gas, water and sewer, and any other fuels to heat the house.