COUNTY · 2000 CENSUS
San Luis Obispo County
California · 246,681 residents · 3,300.842 sq mi
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The short version
San Luis Obispo County has roughly average household income, with a median household income of $42,428. Population has held roughly steady since 1990. Median home value is $218,600.
At a glance
Average income
near the US median
US median: $42,589
Older
median age 37.3
US median: 35.2
Average education
27% hold a bachelor's degree
US average: 24%
More affordable
home values down 22%, inflation adjusted
US median home: $120,530
Section 01
Population & growth
Population, 1990 – 2024
2024282K
Age distribution, 2000
Under 55%(12,358)
5 to 96%(14,912)
10 to 146.6%(16,174)
15 to 198.5%(20,893)
20 to 249.2%(22,647)
25 to 3411.4%(28,177)
35 to 4415.6%(38,416)
45 to 5414.7%(36,150)
55 to 648.6%(21,269)
65 to 747.3%(18,094)
75 to 845.4%(13,415)
85 and over1.7%(4,176)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$42,428
+3%inflation adjusted, since 1990
from $31,164 in 1990
US average: $42,589
1990 – 2024
Section 03
Housing
$218,600
−22%inflation adjusted, since 1990
from $213,200 in 1990
US average: $120,530
1990 – 2024
RELATED:See current rent listings in San Luis Obispo County on RentDataNow
Section 04
Race & ethnicity
1990
White, non-Hispanic89.2%(193,793)
Black2.6%(5,655)
Hispanic / Latino12.4%(26,869)
Asian2.9%(6,319)
2000
White, non-Hispanic76.1%(187,840)
Black1.9%(4,743)
Hispanic / Latino16.3%(40,196)
Asian2.6%(6,342)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Mexican21%(59,002)
Central American0.7%(2,023)
Spaniard0.6%(1,822)
South American0.5%(1,349)
Puerto Rican0.4%(1,199)
Salvadoran0.3%(830)
Cuban0.2%(683)
Guatemalan0.2%(493)
Peruvian0.2%(464)
Colombian0.1%(350)
Honduran0.1%(291)
Nicaraguan0.1%(210)
+ 9 more hispanic origin groups with data
Ecuadorian0.1%(146)
Argentine0%(132)
Costa Rican0%(116)
Panamanian0%(83)
Chilean0%(71)
Venezuelan0%(71)
Dominican0%(56)
Uruguayan0%(11)
Bolivian0%(6)
Asian origin
Filipino0.8%(2,343)
Chinese0.8%(2,336)
Japanese0.5%(1,319)
Korean0.4%(1,085)
Asian Indian0.3%(975)
Vietnamese0.2%(698)
Taiwanese0.1%(218)
Pakistani0%(140)
Thai0%(136)
Cambodian0%(67)
Laotian0%(62)
Hmong0%(49)
+ 7 more asian origin groups with data
Pacific Islander origin
Samoan0.1%(319)
Native Hawaiian0.1%(304)
Chamorro0%(87)
Guamanian0%(45)
Fijian0%(7)
Ancestry
German14.9%(41,942)
English14.4%(40,667)
Irish12.7%(35,627)
Italian6.3%(17,780)
Scottish2.8%(7,949)
French2.5%(7,153)
American2.2%(6,323)
Portuguese2.1%(5,983)
Norwegian1.8%(5,059)
Polish1.8%(4,972)
Swedish1.6%(4,601)
Dutch1.5%(4,245)
+ 47 more ancestry groups with data
Russian1%(2,834)
Scotch-Irish0.9%(2,618)
Danish0.8%(2,305)
Welsh0.8%(2,193)
Arab0.7%(1,838)
British0.6%(1,791)
Swiss0.6%(1,607)
Hungarian0.5%(1,368)
Greek0.4%(1,049)
Croatian0.3%(849)
Ukrainian0.3%(813)
French Canadian0.3%(788)
Czech0.3%(769)
Finnish0.3%(723)
Austrian0.3%(717)
Lebanese0.2%(662)
Subsaharan African0.2%(633)
Canadian0.2%(629)
Armenian0.2%(614)
Lithuanian0.2%(509)
Iranian0.2%(478)
Belgian0.1%(375)
Syrian0.1%(362)
Australian0.1%(359)
Serbian0.1%(338)
Slovak0.1%(310)
Egyptian0.1%(274)
Romanian0.1%(265)
West Indian0.1%(253)
Turkish0.1%(198)
Brazilian0.1%(179)
Palestinian0.1%(160)
Slovene0.1%(156)
Nigerian0.1%(145)
Moroccan0%(117)
Jamaican0%(101)
Bulgarian0%(86)
Israeli0%(49)
Latvian0%(47)
Guyanese0%(29)
Barbadian0%(23)
Ghanaian0%(21)
Trinidadian & Tobagonian0%(16)
Macedonian0%(13)
Haitian0%(6)
Cape Verdean0%(3)
Ethiopian0%(3)
Section 05
Education
High school or higher
85.6%
+2.2 ptssince 1990
from 83.3% in 1990
US average: 80.3%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status
Men 15+
Never married30.4%(31,735)
Married58.4%(60,942)
Widowed2.7%(2,802)
Divorced8.6%(8,932)
Women 15+
Never married24.4%(24,266)
Married53.1%(52,761)
Widowed10.2%(10,096)
Divorced12.3%(12,171)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
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Compare San Luis Obispo County to nearby counties
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SAN LUIS OBISPO COUNTY VS
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SAN LUIS OBISPO COUNTY VS
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SAN LUIS OBISPO COUNTY VS
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Frequently asked
How many people live in San Luis Obispo County, California?
San Luis Obispo County, California has about 246,681 residents according to the 2000 Census.
What is the median household income in San Luis Obispo County, California?
The typical household in San Luis Obispo County, California earns about $42,428 a year. Half of households make more than that, and half make less.
Is San Luis Obispo County, California expensive?
In San Luis Obispo County, California, the median home is worth about $218,600, and the typical rent is about $719 a month.
How educated are people in San Luis Obispo County, California?
About 26.7% of adults age 25 and over in San Luis Obispo County, California hold a bachelor's degree or higher.
What is the poverty rate in San Luis Obispo County, California?
About 12.8% of people in San Luis Obispo County, California live below the federal poverty line.
Has San Luis Obispo County, California grown since 1990?
Yes, San Luis Obispo County, California has grown since 1990. The population has added about 29,519 residents, a change of about 14 percent over that period.
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All counties in CaliforniaDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024