2025 Compare Cities People:
Mill Creek, WA vs Walnut Creek, CA

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Highlights
- Walnut Creek is 0% more densely populated than Mill Creek.
- People are 5.4% less likely to be married in Walnut Creek.
- The Median Age is 8.2 years older in Walnut Creek.
 Mill Creek, WAWalnut Creek, CAUnited States
 Population  Unlock69,876329,725,481
 Female Population53.1%  Unlock50.5%
 Male Population46.9%  Unlock49.5%
 Median Age  Unlock47.838.4
 space3
 Population - 201018,268  Unlock309,327,143
 Population - 2000  Unlock64,296285,036,114
 Population - 19907,172  Unlock251,960,433
 Pop. 2000 to Now  Unlock8.8%15.6%
 Pop. 1990 to Now190.0%  Unlock30.8%
 space4
 Population Density  Unlock3,537.093.4
 Land Area4.6  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Mill Creek, WAWalnut Creek, CAUnited States
 Age 0 to 45.5%  Unlock5.9%
 Age 5 to 9  Unlock4.5%6.1%
 Age 10 to 146.8%  Unlock6.6%
 Age 15 to 17  Unlock2.9%3.9%
 Age 18 to 202.4%  Unlock4.0%
 Age 21 to 24  Unlock3.2%5.2%
 Age 25 to 3414.7%  Unlock13.8%
 Age 35 to 44  Unlock12.2%12.9%
 Age 45 to 5413.9%  Unlock12.6%
 Age 55 to 59  Unlock6.8%6.7%
 Age 60 to 645.9%  Unlock6.3%
 Age 65 to 74  Unlock14.2%9.6%
 Age 75 to 844.9%  Unlock4.5%
 Age 85 and over  Unlock5.8%1.9%
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 Race
 Mill Creek, WAWalnut Creek, CAUnited States
 White60.2%  Unlock59.4%
 Black  Unlock2.3%12.2%
 Asian20.0%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.8%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races6.3%  Unlock3.2%
 Hispanic  Unlock10.1%18.4%
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 Marriage & Family
 Mill Creek, WAWalnut Creek, CAUnited States
 Married Population58.6%  Unlock49.8%
     Currently Married  Unlock54.2%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock44.5%50.2%
 Never Married26.9%  Unlock33.8%
 Divorced  Unlock10.5%10.8%
 Widowed4.2%  Unlock5.6%
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 Household Size  Unlock2.152.60
 Households8,492  Unlock124,010,992
 Family Households  Unlock18,38880,755,759
     Married couple, w/children40.8%  Unlock30.5%
     Married couple, no children  Unlock55.3%42.9%
 Non Family Households3,082  Unlock43,255,233
     Single householder, w/children  Unlock7.8%15.8%
     Single householder, no children7.0%  Unlock10.8%
Reviews for Mill Creek    3 Reviews

The State of Washington finds many, many ways to tax their residents, more so than anywhere else I have lived. I moved here from the Bay Area, and wish I had stayed in  More

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Over 17 years ago

We love it here been out of the south (baton rouge,la) for almost 3 years, but will not be able to stay because the standard of living is over the  More

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Over 19 years ago

When I lived there a few years ago, most houses were around 500K and up. IF that's your price range, the schools are good and the area is very pretty. Lots of  More

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Reviews for Walnut Creek    16 Reviews

Apart from the congestion, Walnut Creek is one of the best places in the San Francisco Bay Area to live. It is one of the most compact/walkable cities in the entire area  More

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Over 7 years ago

Almost all of Walnut Creek water comes from Pardee dam through an enclosed pipeline. That water is direct from the high Sierras. Among the best water quality in the  More

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Over 7 years ago

I grew up in Southern California and am no stranger to a more inland California climate. Before moving to WC I lived in San Francisco for 15 years where it is obviously  More

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