2025 Compare Cities People:
Clayton, CA vs Newcastle, CA

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Highlights
- Newcastle is 0% more densely populated than Clayton.
- People are 21.5% less likely to be married in Newcastle.
- The Median Age is 3.2 years younger in Newcastle.
 Clayton, CANewcastle, CAUnited States
 Population  Unlock1,505329,725,481
 Female Population51.4%  Unlock50.5%
 Male Population48.6%  Unlock49.5%
 Median Age  Unlock40.938.4
 space3
 Population - 201010,941  Unlock309,327,143
 Population - 2000  Unlock1,145285,036,114
 Population - 19907,317  Unlock251,960,433
 Pop. 2000 to Now  Unlock19.0%15.6%
 Pop. 1990 to Now57.5%  Unlock30.8%
 space4
 Population Density  Unlock629.293.4
 Land Area3.8  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Clayton, CANewcastle, CAUnited States
 Age 0 to 43.8%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 149.0%  Unlock6.6%
 Age 15 to 17  Unlock1.7%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock1.2%5.2%
 Age 25 to 346.8%  Unlock13.8%
 Age 35 to 44  Unlock17.2%12.9%
 Age 45 to 5413.2%  Unlock12.6%
 Age 55 to 59  Unlock3.5%6.7%
 Age 60 to 647.8%  Unlock6.3%
 Age 65 to 74  Unlock18.9%9.6%
 Age 75 to 846.4%  Unlock4.5%
 Age 85 and over  Unlock2.7%1.9%
 space1
 Race
 Clayton, CANewcastle, CAUnited States
 White69.0%  Unlock59.4%
 Black  Unlock0.0%12.2%
 Asian11.4%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races7.3%  Unlock3.2%
 Hispanic  Unlock17.1%18.4%
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 Marriage & Family
 Clayton, CANewcastle, CAUnited States
 Married Population56.9%  Unlock49.8%
     Currently Married  Unlock44.6%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock55.3%50.2%
 Never Married27.3%  Unlock33.8%
 Divorced  Unlock16.2%10.8%
 Widowed6.9%  Unlock5.6%
 space5
 Household Size  Unlock2.362.60
 Households3,986  Unlock124,010,992
 Family Households  Unlock39780,755,759
     Married couple, w/children35.1%  Unlock30.5%
     Married couple, no children  Unlock45.6%42.9%
 Non Family Households895  Unlock43,255,233
     Single householder, w/children  Unlock12.1%15.8%
     Single householder, no children9.4%  Unlock10.8%
Reviews for Clayton    1 Reviews

Over 18 years ago

But has become increasingly expensive over the years....Great 4th of July Parade  More

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Reviews for Newcastle    3 Reviews

I’ve lived here for six years, and it’s been an interesting experience to say the least. If you’re liberal, don’t expect many people to outwardly share the same  More

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Over 8 years ago

We settled in Newcastle countryside 16 years ago, and it's been a really beautiful place to live. My only complaint is that it is often hot in the summer from July to  More

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Over 13 years ago

I moved here on August 22, 2012 and I have to say it is one of the most magnificent ecosystems I have ever seen. While the cost of living here is higher than the  More

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