2025 Compare Cities People:
Simi Valley, CA vs Darby, MT

Change Cities
Highlights
- Darby is 0% more densely populated than Simi Valley.
- People are 9.7% less likely to be married in Darby.
- The Median Age is 11.8 years older in Darby.
 Simi Valley, CADarby, MTUnited States
 Population  Unlock609329,725,481
 Female Population51.0%  Unlock50.5%
 Male Population49.1%  Unlock49.5%
 Median Age  Unlock52.838.4
 space3
 Population - 2010124,424  Unlock309,327,143
 Population - 2000  Unlock710285,036,114
 Population - 1990100,217  Unlock251,960,433
 Pop. 2000 to Now  Unlock16.2%15.6%
 Pop. 1990 to Now24.9%  Unlock30.8%
 space4
 Population Density  Unlock998.493.4
 Land Area41.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Simi Valley, CADarby, MTUnited States
 Age 0 to 45.2%  Unlock5.9%
 Age 5 to 9  Unlock2.6%6.1%
 Age 10 to 146.6%  Unlock6.6%
 Age 15 to 17  Unlock2.6%3.9%
 Age 18 to 203.8%  Unlock4.0%
 Age 21 to 24  Unlock3.3%5.2%
 Age 25 to 3413.3%  Unlock13.8%
 Age 35 to 44  Unlock9.0%12.9%
 Age 45 to 5414.8%  Unlock12.6%
 Age 55 to 59  Unlock8.9%6.7%
 Age 60 to 646.7%  Unlock6.3%
 Age 65 to 74  Unlock16.9%9.6%
 Age 75 to 844.5%  Unlock4.5%
 Age 85 and over  Unlock0.2%1.9%
 space1
 Race
 Simi Valley, CADarby, MTUnited States
 White57.6%  Unlock59.4%
 Black  Unlock0.2%12.2%
 Asian11.1%  Unlock5.6%
 Native American  Unlock1.5%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock1.1%18.4%
 space2
 Marriage & Family
 Simi Valley, CADarby, MTUnited States
 Married Population50.5%  Unlock49.8%
     Currently Married  Unlock42.9%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock54.4%50.2%
 Never Married33.6%  Unlock33.8%
 Divorced  Unlock23.7%10.8%
 Widowed5.9%  Unlock5.6%
 space5
 Household Size  Unlock1.882.60
 Households43,893  Unlock124,010,992
 Family Households  Unlock16480,755,759
     Married couple, w/children32.3%  Unlock30.5%
     Married couple, no children  Unlock68.3%42.9%
 Non Family Households12,928  Unlock43,255,233
     Single householder, w/children  Unlock17.7%15.8%
     Single householder, no children12.8%  Unlock10.8%
Reviews for Simi Valley    22 Reviews

I've live in two different neighborhoods since fall of 1996 and depending on the neighborhood you're quality of life experience will vary. The price of housing is such  More

   |    Reply

Over 15 years ago

I have lived in Simi Valley for 23 Years. I love it here but due to the cost of living am looking to relocate to another state/City where my money will go further. Simi  More

   |    Reply

Over 16 years ago

simi valley is a very nice place to live within the shadow of the LA metro area. it has low crime and reasonable housing costs with ready access to indoor and outdoor  More

   |    Reply

Start Your Review of Simi Valley

Reviews for Darby    1 Reviews

Over 18 years ago

I have been looking for property in Darby Montana and the entire Bitteroot Valley since March of 2005. It appears that the Realtors and potential sellers have an over  More

   |    Reply

Start Your Review of Darby


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.