2025 Compare Cities People:
Diamond Bar, CA vs Seymour, TX

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Highlights
- Seymour is 0% more densely populated than Diamond Bar.
- People are 2.9% less likely to be married in Seymour.
- The Median Age is 1.3 years older in Seymour.
 Diamond Bar, CASeymour, TXUnited States
 Population  Unlock2,940329,725,481
 Female Population51.7%  Unlock50.5%
 Male Population48.3%  Unlock49.5%
 Median Age  Unlock4538.4
 space3
 Population - 201055,559  Unlock309,327,143
 Population - 2000  Unlock2,908285,036,114
 Population - 199053,672  Unlock251,960,433
 Pop. 2000 to Now  Unlock-12.1%15.6%
 Pop. 1990 to Now2.3%  Unlock30.8%
 space4
 Population Density  Unlock1,005.893.4
 Land Area14.9  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Diamond Bar, CASeymour, TXUnited States
 Age 0 to 45.3%  Unlock5.9%
 Age 5 to 9  Unlock7.7%6.1%
 Age 10 to 146.2%  Unlock6.6%
 Age 15 to 17  Unlock4.4%3.9%
 Age 18 to 202.8%  Unlock4.0%
 Age 21 to 24  Unlock3.8%5.2%
 Age 25 to 3412.1%  Unlock13.8%
 Age 35 to 44  Unlock12.7%12.9%
 Age 45 to 5414.6%  Unlock12.6%
 Age 55 to 59  Unlock10.0%6.7%
 Age 60 to 647.2%  Unlock6.3%
 Age 65 to 74  Unlock10.5%9.6%
 Age 75 to 844.0%  Unlock4.5%
 Age 85 and over  Unlock2.1%1.9%
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 Race
 Diamond Bar, CASeymour, TXUnited States
 White14.1%  Unlock59.4%
 Black  Unlock4.2%12.2%
 Asian60.7%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.7%  Unlock3.2%
 Hispanic  Unlock16.3%18.4%
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 Marriage & Family
 Diamond Bar, CASeymour, TXUnited States
 Married Population57.8%  Unlock49.8%
     Currently Married  Unlock53.4%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock43.8%50.2%
 Never Married29.5%  Unlock33.8%
 Divorced  Unlock10.4%10.8%
 Widowed5.1%  Unlock5.6%
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 Household Size  Unlock2.352.60
 Households17,788  Unlock124,010,992
 Family Households  Unlock78880,755,759
     Married couple, w/children32.0%  Unlock30.5%
     Married couple, no children  Unlock46.1%42.9%
 Non Family Households3,342  Unlock43,255,233
     Single householder, w/children  Unlock18.3%15.8%
     Single householder, no children12.2%  Unlock10.8%
Reviews for Diamond Bar    3 Reviews

Over 14 years ago

Beautiful city and great place to raise a family. The worst part of Diamond Bar would be some of the best places to live in other cities. Diamond Bar has some of the  More

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Over 14 years ago

The city is centrally located to riverside, San Bernardino, Orange County and Downtown La. It is very scenic with beautiful hills, great schools and within easy reach,  More

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Over 15 years ago

This is a very quiet area about 30 mile east of downtown Los Angeles. I'm a bit concerned about what effect a possible new NFL stadium in the City of Industry CA will  More

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Reviews for Seymour    9 Reviews

I spent my formative years in Seymour and it was a great place to grow up. Friendly people, lots of school activities, and loads of folks who took an interest in our  More

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Over 6 years ago

Seymour is a small town feel good not too far from the big city life. You get a chance to enjoy your neighbors without dealing with the traffic and craziness of a big  More

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Over 6 years ago

We have lived in Seymour for 6 years, and my husband grew up here. We have an amazing school system full of intelligent and caring educators, many organizations that are  More

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