2025 Compare Cities People:
Nampa, ID vs Walnut Creek, CA

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Highlights
- Walnut Creek is 0% more densely populated than Nampa.
- People are 8.8% more likely to be married in Walnut Creek.
- The Median Age is 14.2 years older in Walnut Creek.
 Nampa, IDWalnut Creek, CAUnited States
 Population  Unlock69,876329,725,481
 Female Population49.8%  Unlock50.5%
 Male Population50.2%  Unlock49.5%
 Median Age  Unlock47.838.4
 space3
 Population - 201082,015  Unlock309,327,143
 Population - 2000  Unlock64,296285,036,114
 Population - 199028,365  Unlock251,960,433
 Pop. 2000 to Now  Unlock8.8%15.6%
 Pop. 1990 to Now263.9%  Unlock30.8%
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 Population Density  Unlock3,537.093.4
 Land Area32.2  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Nampa, IDWalnut Creek, CAUnited States
 Age 0 to 46.7%  Unlock5.9%
 Age 5 to 9  Unlock4.5%6.1%
 Age 10 to 147.1%  Unlock6.6%
 Age 15 to 17  Unlock2.9%3.9%
 Age 18 to 204.6%  Unlock4.0%
 Age 21 to 24  Unlock3.2%5.2%
 Age 25 to 3415.5%  Unlock13.8%
 Age 35 to 44  Unlock12.2%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock6.8%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock14.2%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock5.8%1.9%
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 Race
 Nampa, IDWalnut Creek, CAUnited States
 White68.6%  Unlock59.4%
 Black  Unlock2.3%12.2%
 Asian0.6%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock10.1%18.4%
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 Marriage & Family
 Nampa, IDWalnut Creek, CAUnited States
 Married Population51.0%  Unlock49.8%
     Currently Married  Unlock54.2%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock44.5%50.2%
 Never Married31.6%  Unlock33.8%
 Divorced  Unlock10.5%10.8%
 Widowed3.8%  Unlock5.6%
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 Household Size  Unlock2.152.60
 Households34,997  Unlock124,010,992
 Family Households  Unlock18,38880,755,759
     Married couple, w/children35.5%  Unlock30.5%
     Married couple, no children  Unlock55.3%42.9%
 Non Family Households10,978  Unlock43,255,233
     Single householder, w/children  Unlock7.8%15.8%
     Single householder, no children11.5%  Unlock10.8%
Reviews for Nampa    5 Reviews

We have lived in Arizona (near Phoenix) for 20 years. We are in the process of moving to the Nampa/Caldwell area. Trust me you DO NOT want to come to Arizona for an  More

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Sales tax is one area that it hard to get used to, taxes here are probably average but I was not used to paying sales tax. After I checked it out against other states  More

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Over 15 years ago

Im sure the economy is bad everywhere, but in Nampa, i believe i read the unemployment rate is near  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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