2026 Compare Cities People:
Mill Valley, CA vs Jackson, WY

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Highlights
- Jackson is 0% more densely populated than Mill Valley.
- People are 13.2% less likely to be married in Jackson.
- The Median Age is 14.5 years younger in Jackson.
 Mill Valley, CAJackson, WYUnited States
 Population  Unlock10,728329,725,481
 Female Population52.5%  Unlock50.5%
 Male Population47.5%  Unlock49.5%
 Median Age  Unlock33.438.4
 space3
 Population - 201013,934  Unlock309,327,143
 Population - 2000  Unlock8,647285,036,114
 Population - 199013,038  Unlock251,960,433
 Pop. 2000 to Now  Unlock22.3%15.6%
 Pop. 1990 to Now9.9%  Unlock30.8%
 space4
 Population Density  Unlock3,626.893.4
 Land Area4.8  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Mill Valley, CAJackson, WYUnited States
 Age 0 to 42.9%  Unlock5.9%
 Age 5 to 9  Unlock5.4%6.1%
 Age 10 to 146.3%  Unlock6.6%
 Age 15 to 17  Unlock3.1%3.9%
 Age 18 to 203.4%  Unlock4.0%
 Age 21 to 24  Unlock2.9%5.2%
 Age 25 to 347.3%  Unlock13.8%
 Age 35 to 44  Unlock19.1%12.9%
 Age 45 to 5418.4%  Unlock12.6%
 Age 55 to 59  Unlock4.3%6.7%
 Age 60 to 647.1%  Unlock6.3%
 Age 65 to 74  Unlock2.9%9.6%
 Age 75 to 846.5%  Unlock4.5%
 Age 85 and over  Unlock0.4%1.9%
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 Race
 Mill Valley, CAJackson, WYUnited States
 White83.0%  Unlock59.4%
 Black  Unlock0.8%12.2%
 Asian6.1%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races5.4%  Unlock3.2%
 Hispanic  Unlock19.8%18.4%
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 Marriage & Family
 Mill Valley, CAJackson, WYUnited States
 Married Population56.1%  Unlock49.8%
     Currently Married  Unlock47.1%48.0%
 Married but Separated0.5%  Unlock1.8%
 Single Population  Unlock51.3%50.2%
 Never Married26.9%  Unlock33.8%
 Divorced  Unlock9.1%10.8%
 Widowed4.5%  Unlock5.6%
 space5
 Household Size  Unlock2.472.60
 Households5,622  Unlock124,010,992
 Family Households  Unlock2,35680,755,759
     Married couple, w/children35.2%  Unlock30.5%
     Married couple, no children  Unlock32.3%42.9%
 Non Family Households1,808  Unlock43,255,233
     Single householder, w/children  Unlock13.5%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 Jackson    13 Reviews

I live in Jackson and I can tell you for sure it sucks. I'm currently a student in college so I don't bring in any income but my husband makes about 200,000 a year.....  More

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Over 5 years ago

What a rip-off!!! I had wanted to see Jackson, Wy for many years and found it to be very snooty. The motels were outrageously expensive. The entire city is  More

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Jackson, like so many other wealthy towns, is composed of the wealthy who made their money elsewhere and those who serve them. Those who serve are actually pretty nice  More

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