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2025 Compare Cities People:
San Luis Obispo, CA vs Mill Valley, CA

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Highlights
- Mill Valley is 0% more densely populated than San Luis Obispo.
- People are 94.7% more likely to be married in Mill Valley.
- The Median Age is 21.9 years older in Mill Valley.
 San Luis Obispo, CAMill Valley, CAUnited States
 Population  Unlock14,240329,725,481
 Female Population49.1%  Unlock50.5%
 Male Population50.9%  Unlock49.5%
 Median Age  Unlock47.938.4
 space3
 Population - 201045,193  Unlock309,327,143
 Population - 2000  Unlock13,600285,036,114
 Population - 199041,958  Unlock251,960,433
 Pop. 2000 to Now  Unlock5.3%15.6%
 Pop. 1990 to Now13.4%  Unlock30.8%
 space4
 Population Density  Unlock2,989.793.4
 Land Area13.1  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 San Luis Obispo, CAMill Valley, CAUnited States
 Age 0 to 43.1%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 142.9%  Unlock6.6%
 Age 15 to 17  Unlock6.1%3.9%
 Age 18 to 2014.7%  Unlock4.0%
 Age 21 to 24  Unlock1.5%5.2%
 Age 25 to 3413.4%  Unlock13.8%
 Age 35 to 44  Unlock12.2%12.9%
 Age 45 to 547.5%  Unlock12.6%
 Age 55 to 59  Unlock7.8%6.7%
 Age 60 to 645.5%  Unlock6.3%
 Age 65 to 74  Unlock11.6%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock3.0%1.9%
 space1
 Race
 San Luis Obispo, CAMill Valley, CAUnited States
 White70.7%  Unlock59.4%
 Black  Unlock1.4%12.2%
 Asian4.8%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock1.0%0.4%
 Two or More Races3.9%  Unlock3.2%
 Hispanic  Unlock3.0%18.4%
 space2
 Marriage & Family
 San Luis Obispo, CAMill Valley, CAUnited States
 Married Population28.8%  Unlock49.8%
     Currently Married  Unlock55.6%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock43.9%50.2%
 Never Married59.0%  Unlock33.8%
 Divorced  Unlock12.5%10.8%
 Widowed3.9%  Unlock5.6%
 space5
 Household Size  Unlock2.522.60
 Households19,035  Unlock124,010,992
 Family Households  Unlock3,81480,755,759
     Married couple, w/children23.1%  Unlock30.5%
     Married couple, no children  Unlock49.5%42.9%
 Non Family Households11,342  Unlock43,255,233
     Single householder, w/children  Unlock9.8%15.8%
     Single householder, no children15.3%  Unlock10.8%
Voting
Reviews for San Luis Obispo    21 Reviews
Bruce · Las Vegas, NV
COST OF LIVING AND FINDING A PLACE TO LIVE
Over 10 years ago

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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Tim · San Luis Obispo, CA
Sunny & 70º
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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Sadie · San Luis Obispo, CA
Beautiful place to live hard to find a room
Over 12 years ago

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 Mill Valley    7 Reviews
Thomas · Chatham, NJ
Mill Valley Tiburon wonderful
Over 4 years ago

I lived in southern Marin County for 20 years and lived it. Just moved  More

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chris · Mill Valley, CA
Pristine and Costly
Over 15 years ago

Mill Valley is a perfect place to live and raise a family, if you don't mind a cost of living index of 233. Don't distress - go mountain biking or hiking with  More

   |    Reply
Robbin · Mill Valley, CA
California
Over 16 years ago

Good weather all year around. Great public schools. Cost of living very high. Crime low wonderful outdoor activities nearby like hiking, beaches,  More

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Learn More About San Luis Obispo, California
Overview
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Learn More About Mill Valley, California
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