2026 Compare Cities People:
Mill Valley, CA vs West Sacramento, CA

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Highlights
- West Sacramento is 0% more densely populated than Mill Valley.
- People are 6.8% less likely to be married in West Sacramento.
- The Median Age is 13.4 years younger in West Sacramento.
 Mill Valley, CAWest Sacramento, CAUnited States
 Population  Unlock53,589329,725,481
 Female Population52.5%  Unlock50.5%
 Male Population47.5%  Unlock49.5%
 Median Age  Unlock34.538.4
 space3
 Population - 201013,934  Unlock309,327,143
 Population - 2000  Unlock31,615285,036,114
 Population - 199013,038  Unlock251,960,433
 Pop. 2000 to Now  Unlock69.8%15.6%
 Pop. 1990 to Now9.9%  Unlock30.8%
 space4
 Population Density  Unlock2,496.093.4
 Land Area4.8  Unlock3,531,905.4
 Water Area  Unlock1.3264,836.8
 space
 Est. Total Population By Age
 Mill Valley, CAWest Sacramento, CAUnited States
 Age 0 to 42.9%  Unlock5.9%
 Age 5 to 9  Unlock7.1%6.1%
 Age 10 to 146.3%  Unlock6.6%
 Age 15 to 17  Unlock4.2%3.9%
 Age 18 to 203.4%  Unlock4.0%
 Age 21 to 24  Unlock5.3%5.2%
 Age 25 to 347.3%  Unlock13.8%
 Age 35 to 44  Unlock15.6%12.9%
 Age 45 to 5418.4%  Unlock12.6%
 Age 55 to 59  Unlock5.5%6.7%
 Age 60 to 647.1%  Unlock6.3%
 Age 65 to 74  Unlock6.6%9.6%
 Age 75 to 846.5%  Unlock4.5%
 Age 85 and over  Unlock1.2%1.9%
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 Race
 Mill Valley, CAWest Sacramento, CAUnited States
 White83.0%  Unlock59.4%
 Black  Unlock4.3%12.2%
 Asian6.1%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races5.4%  Unlock3.2%
 Hispanic  Unlock33.3%18.4%
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 Marriage & Family
 Mill Valley, CAWest Sacramento, CAUnited States
 Married Population56.1%  Unlock49.8%
     Currently Married  Unlock49.9%48.0%
 Married but Separated0.5%  Unlock1.8%
 Single Population  Unlock47.7%50.2%
 Never Married26.9%  Unlock33.8%
 Divorced  Unlock9.7%10.8%
 Widowed4.5%  Unlock5.6%
 space5
 Household Size  Unlock2.802.60
 Households5,622  Unlock124,010,992
 Family Households  Unlock13,09980,755,759
     Married couple, w/children35.2%  Unlock30.5%
     Married couple, no children  Unlock33.9%42.9%
 Non Family Households1,808  Unlock43,255,233
     Single householder, w/children  Unlock18.5%15.8%
     Single householder, no children5.6%  Unlock10.8%
Reviews for Mill Valley    7 Reviews

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

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Over 16 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

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Over 17 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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Reviews for West Sacramento    2 Reviews

Over 12 years ago

Horrible-all the way around. The worst people I have ever met and it's all over and well known for it. I would have thought the area would have been pretty  More

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Over 19 years ago

For those of you who love warm without humidity, this is the place for you. We have at least three months with an average temperture of + 80 degrees  More

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