Overview
Cost of Living
Crime
Climate
Interactive Map
Jobs
Education
Economy
Health
Religion
People
Politics & Voting
Housing Stats
Commute Time
Rankings
Upgrade to Premium

2025 Compare Cities People:
Placentia, CA vs Diamond Bar, CA

Change Cities
Highlights
- Diamond Bar is 0% more densely populated than Placentia.
- People are 10.0% more likely to be married in Diamond Bar.
- The Median Age is 6.8 years older in Diamond Bar.
 Placentia, CADiamond Bar, CAUnited States
 Population  Unlock55,339329,725,481
 Female Population50.5%  Unlock50.5%
 Male Population49.5%  Unlock49.5%
 Median Age  Unlock43.738.4
 space3
 Population - 201050,937  Unlock309,327,143
 Population - 2000  Unlock56,287285,036,114
 Population - 199041,259  Unlock251,960,433
 Pop. 2000 to Now  Unlock-2.5%15.6%
 Pop. 1990 to Now24.9%  Unlock30.8%
 space4
 Population Density  Unlock3,721.593.4
 Land Area6.6  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Placentia, CADiamond Bar, CAUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock5.4%6.1%
 Age 10 to 147.6%  Unlock6.6%
 Age 15 to 17  Unlock3.4%3.9%
 Age 18 to 203.2%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 3413.7%  Unlock13.8%
 Age 35 to 44  Unlock12.4%12.9%
 Age 45 to 5413.8%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 646.0%  Unlock6.3%
 Age 65 to 74  Unlock12.6%9.6%
 Age 75 to 844.0%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Placentia, CADiamond Bar, CAUnited States
 White38.2%  Unlock59.4%
 Black  Unlock4.0%12.2%
 Asian16.0%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock17.8%18.4%
 space2
 Marriage & Family
 Placentia, CADiamond Bar, CAUnited States
 Married Population52.6%  Unlock49.8%
     Currently Married  Unlock57.2%48.0%
 Married but Separated1.8%  Unlock1.8%
 Single Population  Unlock42.2%50.2%
 Never Married34.1%  Unlock33.8%
 Divorced  Unlock7.6%10.8%
 Widowed4.8%  Unlock5.6%
 space5
 Household Size  Unlock3.102.60
 Households16,371  Unlock124,010,992
 Family Households  Unlock14,44680,755,759
     Married couple, w/children37.3%  Unlock30.5%
     Married couple, no children  Unlock47.1%42.9%
 Non Family Households3,748  Unlock43,255,233
     Single householder, w/children  Unlock8.7%15.8%
     Single householder, no children13.1%  Unlock10.8%
Voting
Reviews for Placentia    6 Reviews
Ken · Melbourne, FL
CORRUPT - blocks critical comments on Facebook.
Over 4 years ago

I lived in that city for almost 10 years and recently found out that both their city government and their police force are blocking people from leaving bad reviews of  More

   |    Reply
Jerry · Placentia, CA
Living in Placentia
Over 14 years ago

PLACENTIA IS A GREAT PLACE TO LIVE. BEEN HERE SINCE 1980. EASY ACCESS TO FREEWAYS, PLENTY OF COMMERCIAL AND INDUSTRIAL BUSINESSES AROUND FOR EMPLOYMENT. NEARBY--GOLF  More

   |    Reply
Bp · Placentia, CA
Cheap Housing
Over 15 years ago

If you rent, Placentia's not bad. I haven't noticed too much crime but there are quite a few reasonable apartments. Being close to a California State School has its  More

   |    Reply

Start Your Review of Placentia

See all reviews
Reviews for Diamond Bar    3 Reviews
EG · Brea, CA
Diamond Bar is beautiful
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

   |    Reply
EG · Brea, CA
Diamond Bar is beautiful
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

   |    Reply
RICHARD · Walnut, CA
NFL
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

   |    Reply

Start Your Review of Diamond Bar

See all reviews
Most Recent Searches On Compare Cities
Moving from:Moving to:
 Springfield, MassachusettsDover, New HampshireCompare
 Greeley, ColoradoAtlanta, GeorgiaCompare
 Wilmore, KentuckyEnglewood, OhioCompare
 Bloomington, IndianaBrookings, OregonCompare
 Tornado, West VirginiaMarquette, MichiganCompare
 Galva, IllinoisMoline, IllinoisCompare
 Brewster, New YorkBethel, ConnecticutCompare
 San Diego, CaliforniaBrewer, MaineCompare
 Lander, WyomingDalton, GeorgiaCompare
 St. Louis, MissouriEagle, IdahoCompare

Learn More About Placentia, California
Overview
Cost of Living
Job Market
Crime
Climate
Economy
Religion
Voting
Learn More About Diamond Bar, California
Overview
Cost of Living
Job Market
Crime
Climate
Economy
Religion
Voting
Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

Privacy Policy  •  Terms of Use  •  Returns & Refunds
© Best Places. All rights reserved.