2025 Compare Cities People:
San Luis Obispo, CA vs Arlington, WA

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Highlights
- Arlington is 0% more densely populated than San Luis Obispo.
- People are 97.1% more likely to be married in Arlington.
- The Median Age is 13.2 years older in Arlington.
 San Luis Obispo, CAArlington, WAUnited States
 Population  Unlock19,832329,725,481
 Female Population49.1%  Unlock50.5%
 Male Population50.9%  Unlock49.5%
 Median Age  Unlock39.238.4
 space3
 Population - 201045,193  Unlock309,327,143
 Population - 2000  Unlock11,713285,036,114
 Population - 199041,958  Unlock251,960,433
 Pop. 2000 to Now  Unlock79.9%15.6%
 Pop. 1990 to Now13.4%  Unlock30.8%
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 Population Density  Unlock2,023.593.4
 Land Area13.1  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 San Luis Obispo, CAArlington, WAUnited States
 Age 0 to 43.1%  Unlock5.9%
 Age 5 to 9  Unlock6.0%6.1%
 Age 10 to 142.9%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 2014.7%  Unlock4.0%
 Age 21 to 24  Unlock4.5%5.2%
 Age 25 to 3413.4%  Unlock13.8%
 Age 35 to 44  Unlock16.7%12.9%
 Age 45 to 547.5%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 645.5%  Unlock6.3%
 Age 65 to 74  Unlock7.2%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock2.1%1.9%
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 Race
 San Luis Obispo, CAArlington, WAUnited States
 White70.7%  Unlock59.4%
 Black  Unlock1.6%12.2%
 Asian4.8%  Unlock5.6%
 Native American  Unlock0.7%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races3.9%  Unlock3.2%
 Hispanic  Unlock14.0%18.4%
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 Marriage & Family
 San Luis Obispo, CAArlington, WAUnited States
 Married Population28.8%  Unlock49.8%
     Currently Married  Unlock54.8%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock43.2%50.2%
 Never Married59.0%  Unlock33.8%
 Divorced  Unlock12.6%10.8%
 Widowed3.9%  Unlock5.6%
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 Household Size  Unlock2.642.60
 Households19,035  Unlock124,010,992
 Family Households  Unlock5,16880,755,759
     Married couple, w/children23.1%  Unlock30.5%
     Married couple, no children  Unlock42.0%42.9%
 Non Family Households11,342  Unlock43,255,233
     Single householder, w/children  Unlock11.1%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 Arlington    4 Reviews

Over 8 years ago

Arlington is a nice area, however the property taxes are very high. We built a home here in 2015 . The home is similar to the one we lived in in Arlington's "twin" city  More

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Arlington is north of Seattle. Like the entire Greater Seattle area, the quality of life is easy going. The weather is generally gentle all year long. A little snow in  More

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Over 16 years ago

We live on the West side of I-5, area known as Smokey Point/Lakewood/7 Lakes. As do several other family members. The area still has a very rural feeling without driving  More

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