CensusEasy
COUNTY · 2020 ACS

San Luis Obispo County

California · 282,424 residents · 3,300.842 sq mi
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The short version

San Luis Obispo County is wealthier than most US places, with a median household income of $77,948. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $605,200.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 41.4
US median: 38.8
Average education
36% hold a bachelor's degree
US average: 33%
Less affordable
home values up 84%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

282,424
+14%since 2000
from 246,681 in 2000
1990 – 2025
41.4
+11%since 2000
from 37.3 in 2000
US average: 38.8
Population, 19902024
211K230K250K270K289K1990201020202024San Luis Obispo County
2024282K
1990201020202024
Age distribution, 2020
Under 54.4%(12,536)
US avg: 5.6%
5 to 94.9%(13,967)
US avg: 6.1%
10 to 145.3%(15,072)
US avg: 6.5%
15 to 196.2%(17,544)
US avg: 6.6%
20 to 249.5%(26,792)
US avg: 6.7%
25 to 3411.7%(32,916)
US avg: 13.5%
35 to 4411.7%(33,134)
US avg: 12.7%
45 to 5410.6%(29,909)
US avg: 12.3%
55 to 6413.9%(39,301)
US avg: 13.1%
65 to 7413.2%(37,223)
US avg: 10%
75 to 846.1%(17,187)
US avg: 4.9%
85 and over2.4%(6,843)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$77,948
+22%inflation adjusted, since 2000
from $42,428 in 2000
US average: $66,278
1990 – 2024
$38,686
+77%since 2000
from $21,864 in 2000
US average: $35,364
Households earning $100K+
51.7%
+16.0 ptssince 2009
from 35.8% in 2009
US average: 43.9%
11.1%
−1.7 ptssince 2000
from 12.8% in 2000
US average: 12.8%
Workforce by industry, 2020
Information11.2%
US avg: 11.1%
Wholesale trade8.4%
US avg: 6.7%
Retail trade7.4%
US avg: 10%
Other services5%
US avg: 6.6%
Finance & insurance4.7%
US avg: 5.5%
Agriculture, forestry, fishing3%
US avg: 1.7%
Construction2.7%
US avg: 1.2%
Professional, scientific, technical2.7%
US avg: 4.7%
Public administration2.7%
US avg: 4.7%
Transportation & warehousing2.2%
US avg: 2.5%
Arts, entertainment, food1.9%
US avg: 2%
Education & health services1.9%
US avg: 0.8%
Manufacturing0.3%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$605,200
+84%inflation adjusted, since 2000
from $218,600 in 2000
US average: $265,253
1990 – 2024
$1,535
+42%inflation adjusted, since 2000
from $719 in 2000
US average: $1,124
61.5%
Unchangedsince 2000
from 61.5% in 2000
38.5% rent
7.8
−19%since 2009
from 9.6 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in San Luis Obispo County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic76.1%(187,840)
Black1.9%(4,743)
Hispanic / Latino16.3%(40,196)
Asian2.6%(6,342)
Other0%
2020
White, non-Hispanic65%(183,468)
Black1.5%(4,330)
Hispanic / Latino24%(67,921)
Asian3.5%(10,001)
Other3.8%(10,807)
25
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican19.6%(55,483)
Spaniard0.6%(1,836)
Central American0.6%(1,661)
Puerto Rican0.4%(1,251)
South American0.4%(1,186)
Guatemalan0.2%(677)
Argentine0.1%(419)
Salvadoran0.1%(378)
Cuban0.1%(293)
Honduran0.1%(220)
Colombian0.1%(195)
Peruvian0.1%(159)
+ 8 more hispanic origin groups with data
Nicaraguan0.1%(158)
Costa Rican0.1%(156)
Uruguayan0%(127)
Ecuadorian0%(117)
Dominican0%(87)
Chilean0%(33)
Asian origin
Filipino1.2%(3,326)
Chinese0.8%(2,381)
Asian Indian0.4%(1,046)
Japanese0.3%(875)
Korean0.3%(868)
Vietnamese0.3%(834)
Pakistani0.1%(251)
Cambodian0%(121)
Thai0%(117)
Taiwanese0%(92)
Burmese0%(39)
+ 6 more asian origin groups with data
Laotian0%(30)
Nepalese0%(28)
Hmong0%(21)
Pacific Islander origin
Samoan0.1%(316)
Chamorro0%(103)
Tongan0%(18)
Ancestry
German14.9%(42,031)
Irish12.1%(34,215)
English12%(33,990)
Italian5.9%(16,716)
American3.6%(10,106)
French3.2%(8,957)
Scottish2.7%(7,701)
Portuguese2%(5,727)
Polish1.7%(4,850)
Swedish1.7%(4,797)
Norwegian1.7%(4,790)
Dutch1.5%(4,310)
+ 45 more ancestry groups with data
Russian1.1%(3,158)
Scotch-Irish1%(2,685)
British0.9%(2,488)
Danish0.9%(2,456)
Welsh0.8%(2,345)
Swiss0.7%(2,062)
Greek0.4%(1,246)
French Canadian0.4%(1,208)
Hungarian0.4%(1,204)
Czech0.4%(1,113)
Austrian0.3%(846)
Canadian0.3%(845)
Armenian0.3%(789)
Croatian0.2%(645)
Finnish0.2%(633)
Iranian0.2%(542)
Ukrainian0.2%(530)
Belgian0.2%(510)
Lithuanian0.2%(447)
Lebanese0.2%(441)
Nigerian0.1%(408)
Serbian0.1%(369)
Romanian0.1%(343)
Syrian0.1%(289)
Australian0.1%(280)
Turkish0.1%(235)
Egyptian0.1%(217)
Bulgarian0.1%(189)
West Indian0.1%(185)
Slovak0.1%(175)
Palestinian0.1%(158)
Brazilian0%(126)
Slovene0%(105)
Arab0%(98)
Iraqi0%(96)
Jordanian0%(74)
Jamaican0%(71)
Moroccan0%(64)
Latvian0%(59)
Israeli0%(40)
Ethiopian0%(36)
Kenyan0%(20)
Barbadian0%(14)
Haitian0%(7)
RANKED:Largest Mexican population · Largest German population · Largest Irish population · Largest English population · Largest Italian population
Section 05

Education

36.1%
+9.4 ptssince 2000
from 26.7% in 2000
US average: 32.9%
High school or higher
91.8%
+6.3 ptssince 2000
from 85.6% in 2000
US average: 88.5%
13.8%
+4.4 ptssince 2000
from 9.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

22.0 min
+57%since 2000
from 14.0 min in 2000
US average: 26.9
72.6%
−1.2 ptssince 2009
from 73.9% in 2009
US average: 75.1%
3.7%
−0.7 ptssince 2009
from 4.5% in 2009
US average: 8.4%
Section 07

Work & employment

4.5%
−3.6 ptssince 2011
from 8.1% in 2011
US average: 5.4%
58.5%
−0.9 ptssince 2011
from 59.4% in 2011
US average: 63.4%
39.6%
−24.3 ptssince 2009
from 63.9% in 2009
US average: 39.3%
Section 08

People & community

50.6%
−0.7 ptssince 2009
from 51.3% in 2009
49.4%
+0.7 ptssince 2009
from 48.7% in 2009
9.5%
−0.1 ptssince 2009
from 9.6% in 2009
US average: 13.5%
6.0%
−80.2 ptssince 2013
from 86.2% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married39.7%(48,235)
Married49.9%(60,585)
Widowed2.4%(2,871)
Divorced8.1%(9,805)
Women 15+
Never married32.1%(38,442)
Married48.3%(57,941)
Widowed7.5%(8,954)
Divorced12.1%(14,537)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in San Luis Obispo County, California?

San Luis Obispo County, California has about 282,424 residents according to the 2020 American Community Survey.

What is the median household income in San Luis Obispo County, California?

The typical household in San Luis Obispo County, California earns about $77,948 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 $605,200, and the typical rent is about $1,535 a month.

How educated are people in San Luis Obispo County, California?

About 36.1% 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 11.1% 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 65,262 residents, a change of about 30 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →