2025 Compare Cities People:
Boulder, CO vs Irvine, CA

Change Cities
Highlights
- Irvine is 0% more densely populated than Boulder.
- People are 60.9% more likely to be married in Irvine.
- The Median Age is 4.9 years older in Irvine.
 Boulder, COIrvine, CAUnited States
 Population  Unlock297,868329,725,481
 Female Population48.5%  Unlock50.5%
 Male Population51.5%  Unlock49.5%
 Median Age  Unlock33.838.4
 space3
 Population - 201097,724  Unlock309,327,143
 Population - 2000  Unlock143,072285,036,114
 Population - 199083,312  Unlock251,960,433
 Pop. 2000 to Now  Unlock98.3%15.6%
 Pop. 1990 to Now29.2%  Unlock30.8%
 space4
 Population Density  Unlock4,541.993.4
 Land Area26.3  Unlock3,531,905.4
 Water Area  Unlock0.3264,836.8
 space
 Est. Total Population By Age
 Boulder, COIrvine, CAUnited States
 Age 0 to 42.7%  Unlock5.9%
 Age 5 to 9  Unlock5.7%6.1%
 Age 10 to 143.6%  Unlock6.6%
 Age 15 to 17  Unlock3.8%3.9%
 Age 18 to 2016.2%  Unlock4.0%
 Age 21 to 24  Unlock6.2%5.2%
 Age 25 to 3416.3%  Unlock13.8%
 Age 35 to 44  Unlock14.5%12.9%
 Age 45 to 5410.3%  Unlock12.6%
 Age 55 to 59  Unlock5.5%6.7%
 Age 60 to 644.2%  Unlock6.3%
 Age 65 to 74  Unlock6.1%9.6%
 Age 75 to 843.1%  Unlock4.5%
 Age 85 and over  Unlock1.2%1.9%
 space1
 Race
 Boulder, COIrvine, CAUnited States
 White78.3%  Unlock59.4%
 Black  Unlock1.7%12.2%
 Asian5.9%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock11.9%18.4%
 space2
 Marriage & Family
 Boulder, COIrvine, CAUnited States
 Married Population31.9%  Unlock49.8%
     Currently Married  Unlock50.3%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock48.6%50.2%
 Never Married56.1%  Unlock33.8%
 Divorced  Unlock7.5%10.8%
 Widowed2.5%  Unlock5.6%
 space5
 Household Size  Unlock2.702.60
 Households42,610  Unlock124,010,992
 Family Households  Unlock69,18180,755,759
     Married couple, w/children33.3%  Unlock30.5%
     Married couple, no children  Unlock37.7%42.9%
 Non Family Households25,269  Unlock43,255,233
     Single householder, w/children  Unlock9.8%15.8%
     Single householder, no children8.5%  Unlock10.8%
Reviews for Boulder    55 Reviews

Outside of the university, Boulder had a very distinctive "wealthy hippy" feel. A lot of alternative medicine and a matching ethos. This is changing some among my  More

   |    Reply

We moved here from Texas about 4 years ago and love it here! The amazing sense of community and high regard for the environment are two of the main reasons we love  More

   |    Reply

Over 5 years ago

Most people do much worse than Boulder. I'm the most critical person I've ever met who is never happy or satisfied -- so that's a pretty huge compliment.   More

   |    Reply

Start Your Review of Boulder

Reviews for Irvine    42 Reviews

We've lived in Irvine since '87. We have raised two children within the ISUD. Both are grown up. Sure, there have been many changes since then.. the City has  More

   |    Reply

I've lived in Irvine for 2 years and in Orange County for 10 so I'm pretty familiar with the area by now and all it has to offer. Perhaps my review of this place has  More

   |    Reply

I wouldn't live elsewhere. I originally moved to Irvine in 2002 from the Midwest, not knowing what it even was. I left and moved around a great deal locally in OC,  More

   |    Reply

Start Your Review of Irvine


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.

© Best Places. All rights reserved.