2025 Compare Cities People:
Walnut Creek, CA vs Rancho Cucamonga, CA

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Highlights
- Rancho Cucamonga is 0% more densely populated than Walnut Creek.
- People are 4.1% less likely to be married in Rancho Cucamonga.
- The Median Age is 10.9 years younger in Rancho Cucamonga.
 Walnut Creek, CARancho Cucamonga, CAUnited States
 Population  Unlock173,946329,725,481
 Female Population52.4%  Unlock50.5%
 Male Population47.6%  Unlock49.5%
 Median Age  Unlock36.938.4
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 Population - 201064,376  Unlock309,327,143
 Population - 2000  Unlock127,743285,036,114
 Population - 199060,569  Unlock251,960,433
 Pop. 2000 to Now  Unlock40.0%15.6%
 Pop. 1990 to Now15.5%  Unlock30.8%
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 Population Density  Unlock4,336.093.4
 Land Area19.8  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Walnut Creek, CARancho Cucamonga, CAUnited States
 Age 0 to 44.8%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 143.8%  Unlock6.6%
 Age 15 to 17  Unlock3.8%3.9%
 Age 18 to 202.0%  Unlock4.0%
 Age 21 to 24  Unlock5.1%5.2%
 Age 25 to 3413.8%  Unlock13.8%
 Age 35 to 44  Unlock12.3%12.9%
 Age 45 to 5410.5%  Unlock12.6%
 Age 55 to 59  Unlock6.7%6.7%
 Age 60 to 645.9%  Unlock6.3%
 Age 65 to 74  Unlock7.9%9.6%
 Age 75 to 849.5%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
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 Race
 Walnut Creek, CARancho Cucamonga, CAUnited States
 White63.4%  Unlock59.4%
 Black  Unlock9.2%12.2%
 Asian17.7%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.4%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races6.0%  Unlock3.2%
 Hispanic  Unlock38.1%18.4%
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 Marriage & Family
 Walnut Creek, CARancho Cucamonga, CAUnited States
 Married Population55.5%  Unlock49.8%
     Currently Married  Unlock51.4%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock46.8%50.2%
 Never Married25.6%  Unlock33.8%
 Divorced  Unlock9.9%10.8%
 Widowed8.4%  Unlock5.6%
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 Household Size  Unlock3.032.60
 Households32,126  Unlock124,010,992
 Family Households  Unlock43,21280,755,759
     Married couple, w/children29.4%  Unlock30.5%
     Married couple, no children  Unlock40.7%42.9%
 Non Family Households13,738  Unlock43,255,233
     Single householder, w/children  Unlock13.6%15.8%
     Single householder, no children7.5%  Unlock10.8%
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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Reviews for Rancho Cucamonga    11 Reviews

I lived in rancho for a few years and I felt safe the city was clean every thing was at your finger tips Walmart target lots of fast foods  More

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Full of Republicans I hate the city I’m moving to Palm Springs the people here are ridiculous caring Trump flags making fun of me in the city a bunch of Lunitics.  More

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Over 12 years ago

Of all the homes or places of where I lived throughout my lifetime, I especially remember Rancho Cucamunga, CA. But this city's name when I was there was Alta Loma, and  More

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