2025 Compare Cities People:
Lafayette, CA vs Mill Valley, CA

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Highlights
- Mill Valley is 0% more densely populated than Lafayette.
- People are 12.8% less likely to be married in Mill Valley.
- The Median Age is 3.1 years older in Mill Valley.
 Lafayette, CAMill Valley, CAUnited States
 Population  Unlock14,240329,725,481
 Female Population49.0%  Unlock50.5%
 Male Population51.0%  Unlock49.5%
 Median Age  Unlock47.938.4
 space3
 Population - 201023,852  Unlock309,327,143
 Population - 2000  Unlock13,600285,036,114
 Population - 199023,501  Unlock251,960,433
 Pop. 2000 to Now  Unlock5.3%15.6%
 Pop. 1990 to Now10.6%  Unlock30.8%
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 Population Density  Unlock2,989.793.4
 Land Area15.0  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 Lafayette, CAMill Valley, CAUnited States
 Age 0 to 44.1%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 148.1%  Unlock6.6%
 Age 15 to 17  Unlock6.1%3.9%
 Age 18 to 201.8%  Unlock4.0%
 Age 21 to 24  Unlock1.5%5.2%
 Age 25 to 348.2%  Unlock13.8%
 Age 35 to 44  Unlock12.2%12.9%
 Age 45 to 5418.0%  Unlock12.6%
 Age 55 to 59  Unlock7.8%6.7%
 Age 60 to 646.4%  Unlock6.3%
 Age 65 to 74  Unlock11.6%9.6%
 Age 75 to 845.8%  Unlock4.5%
 Age 85 and over  Unlock3.0%1.9%
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 Race
 Lafayette, CAMill Valley, CAUnited States
 White75.3%  Unlock59.4%
 Black  Unlock1.4%12.2%
 Asian9.8%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock1.0%0.4%
 Two or More Races6.4%  Unlock3.2%
 Hispanic  Unlock3.0%18.4%
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 Marriage & Family
 Lafayette, CAMill Valley, CAUnited States
 Married Population64.3%  Unlock49.8%
     Currently Married  Unlock55.6%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock43.9%50.2%
 Never Married25.0%  Unlock33.8%
 Divorced  Unlock12.5%10.8%
 Widowed3.7%  Unlock5.6%
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 Household Size  Unlock2.522.60
 Households8,917  Unlock124,010,992
 Family Households  Unlock3,81480,755,759
     Married couple, w/children40.9%  Unlock30.5%
     Married couple, no children  Unlock49.5%42.9%
 Non Family Households2,045  Unlock43,255,233
     Single householder, w/children  Unlock9.8%15.8%
     Single householder, no children4.1%  Unlock10.8%
Reviews for Lafayette    4 Reviews

Over 14 years ago

Living in Lafayette is wonderful, if you can afford it! The rolling hills, the great schools and the climate make this a great place to  More

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Great place to raise kids, nice restaurants and some good stores. A bit sparse on things like theaters etc. Weather in Summer is HOT HOT HOT. Bring sunblock and  More

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Over 18 years ago

Summers are too cool due to marine  More

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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 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

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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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