2025 Compare Cities People:
San Luis Obispo, CA vs Kailua (Honolulu County), HI

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Highlights
- Kailua (Honolulu County) is 0% more densely populated than San Luis Obispo.
- People are 98.1% more likely to be married in Kailua (Honolulu County).
- The Median Age is 15.9 years older in Kailua (Honolulu County).
 San Luis Obispo, CAKailua (Honolulu County), HIUnited States
 Population  Unlock40,402329,725,481
 Female Population49.1%  Unlock50.5%
 Male Population50.9%  Unlock49.5%
 Median Age  Unlock41.938.4
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 Population - 201045,193  Unlock309,327,143
 Population - 2000  Unlock36,513285,036,114
 Population - 199041,958  Unlock251,960,433
 Pop. 2000 to Now  Unlock1.4%15.6%
 Pop. 1990 to Now13.4%  Unlock30.8%
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 Population Density  Unlock5,202.493.4
 Land Area13.1  Unlock3,531,905.4
 Water Area  Unlock2.8264,836.8
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 Est. Total Population By Age
 San Luis Obispo, CAKailua (Honolulu County), HIUnited States
 Age 0 to 43.1%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 142.9%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 2014.7%  Unlock4.0%
 Age 21 to 24  Unlock3.9%5.2%
 Age 25 to 3413.4%  Unlock13.8%
 Age 35 to 44  Unlock14.4%12.9%
 Age 45 to 547.5%  Unlock12.6%
 Age 55 to 59  Unlock7.0%6.7%
 Age 60 to 645.5%  Unlock6.3%
 Age 65 to 74  Unlock11.5%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock3.2%1.9%
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 Race
 San Luis Obispo, CAKailua (Honolulu County), HIUnited States
 White70.7%  Unlock59.4%
 Black  Unlock0.6%12.2%
 Asian4.8%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.9%0.4%
 Two or More Races3.9%  Unlock3.2%
 Hispanic  Unlock8.7%18.4%
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 Marriage & Family
 San Luis Obispo, CAKailua (Honolulu County), HIUnited States
 Married Population28.8%  Unlock49.8%
     Currently Married  Unlock56.4%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock42.9%50.2%
 Never Married59.0%  Unlock33.8%
 Divorced  Unlock8.9%10.8%
 Widowed3.9%  Unlock5.6%
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 Household Size  Unlock3.082.60
 Households19,035  Unlock124,010,992
 Family Households  Unlock9,73580,755,759
     Married couple, w/children23.1%  Unlock30.5%
     Married couple, no children  Unlock46.4%42.9%
 Non Family Households11,342  Unlock43,255,233
     Single householder, w/children  Unlock8.2%15.8%
     Single householder, no children15.3%  Unlock10.8%
Reviews for San Luis Obispo    21 Reviews

MY FIANCEE AND I ARE LOOKING TO MOVE TO SLO FOR RETIREMENT ( NEXT MONTH ) WE ARE BOTH ARTISTS AND HOPE OUR TALENT WILL HELP WITH COST OF LIVING IN SLO!!! ANY  More

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Over 10 years ago

In almost any season of the year in San Luis Obispo, you’ll find the sun shining and the temperature hitting around 70º at some point in the day. With the temperature  More

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San Luis Obispo and surrounding areas are beautiful, great weather, beaches, farms markets, a downtown area full of some of the best bars and restaurants, wine country,  More

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Reviews for Kailua (Honolulu County)    10 Reviews

I have live in Kailua Oahu, HI for more than 27 years. I love this place but the cost to live here is becoming to much as I approach retirement. It also has become  More

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Over 13 years ago

Kailua is a perfect place to live if you like a relaxed and friendly neighborhood. It is close to local shops, local restaurants, beaches and ocean activities. Easy  More

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We've been here for the past 10 years, and it is truly heaven on earth from an environmental perspective, but a Cost of Living comparison will scare the daylights out of  More

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