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

Change Cities
Highlights
- Mill Valley is 0% more densely populated than Orinda.
- People are 16.2% less likely to be married in Mill Valley.
- The Median Age is 1.1 years younger in Mill Valley.
 Orinda, CAMill Valley, CAUnited States
 Population  Unlock14,240329,725,481
 Female Population51.1%  Unlock50.5%
 Male Population48.9%  Unlock49.5%
 Median Age  Unlock47.938.4
 space3
 Population - 201017,799  Unlock309,327,143
 Population - 2000  Unlock13,600285,036,114
 Population - 199016,642  Unlock251,960,433
 Pop. 2000 to Now  Unlock5.3%15.6%
 Pop. 1990 to Now17.5%  Unlock30.8%
 space4
 Population Density  Unlock2,989.793.4
 Land Area12.9  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Orinda, CAMill Valley, CAUnited States
 Age 0 to 44.4%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 149.0%  Unlock6.6%
 Age 15 to 17  Unlock6.1%3.9%
 Age 18 to 202.7%  Unlock4.0%
 Age 21 to 24  Unlock1.5%5.2%
 Age 25 to 343.5%  Unlock13.8%
 Age 35 to 44  Unlock12.2%12.9%
 Age 45 to 5418.5%  Unlock12.6%
 Age 55 to 59  Unlock7.8%6.7%
 Age 60 to 646.5%  Unlock6.3%
 Age 65 to 74  Unlock11.6%9.6%
 Age 75 to 847.3%  Unlock4.5%
 Age 85 and over  Unlock3.0%1.9%
 space1
 Race
 Orinda, CAMill Valley, CAUnited States
 White70.4%  Unlock59.4%
 Black  Unlock1.4%12.2%
 Asian14.6%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock1.0%0.4%
 Two or More Races8.2%  Unlock3.2%
 Hispanic  Unlock3.0%18.4%
 space2
 Marriage & Family
 Orinda, CAMill Valley, CAUnited States
 Married Population67.0%  Unlock49.8%
     Currently Married  Unlock55.6%48.0%
 Married but Separated0.8%  Unlock1.8%
 Single Population  Unlock43.9%50.2%
 Never Married21.9%  Unlock33.8%
 Divorced  Unlock12.5%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock2.522.60
 Households7,252  Unlock124,010,992
 Family Households  Unlock3,81480,755,759
     Married couple, w/children45.4%  Unlock30.5%
     Married couple, no children  Unlock49.5%42.9%
 Non Family Households1,705  Unlock43,255,233
     Single householder, w/children  Unlock9.8%15.8%
     Single householder, no children4.0%  Unlock10.8%
Reviews for Orinda    3 Reviews

Orinda is an extremely safe, quiet, bucolic place to live. The schools are incredible, parent participation is maximal. It's close to everything and yet has a feeling of  More

   |    Reply

Over 16 years ago

Weather in Orinda is  More

   |    Reply

Over 17 years ago

Being ranked the number one public high school system in California says little for this small rural upscale community. With a high percentage of college graduates with  More

   |    Reply

Start Your Review of Orinda

Reviews for Mill Valley    7 Reviews

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

   |    Reply

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

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

   |    Reply

Start Your Review of Mill Valley


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.