2025 Compare Cities People:
Simi Valley, CA vs Atascadero, CA

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Highlights
- Atascadero is 0% more densely populated than Simi Valley.
- People are 8.5% more likely to be married in Atascadero.
- The Median Age is 1.0 years younger in Atascadero.
 Simi Valley, CAAtascadero, CAUnited States
 Population  Unlock29,771329,725,481
 Female Population51.0%  Unlock50.5%
 Male Population49.1%  Unlock49.5%
 Median Age  Unlock4038.4
 space3
 Population - 2010124,424  Unlock309,327,143
 Population - 2000  Unlock26,411285,036,114
 Population - 1990100,217  Unlock251,960,433
 Pop. 2000 to Now  Unlock14.6%15.6%
 Pop. 1990 to Now24.9%  Unlock30.8%
 space4
 Population Density  Unlock1,141.393.4
 Land Area41.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Simi Valley, CAAtascadero, CAUnited States
 Age 0 to 45.2%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 146.6%  Unlock6.6%
 Age 15 to 17  Unlock3.3%3.9%
 Age 18 to 203.8%  Unlock4.0%
 Age 21 to 24  Unlock5.9%5.2%
 Age 25 to 3413.3%  Unlock13.8%
 Age 35 to 44  Unlock11.9%12.9%
 Age 45 to 5414.8%  Unlock12.6%
 Age 55 to 59  Unlock7.3%6.7%
 Age 60 to 646.7%  Unlock6.3%
 Age 65 to 74  Unlock10.5%9.6%
 Age 75 to 844.5%  Unlock4.5%
 Age 85 and over  Unlock1.3%1.9%
 space1
 Race
 Simi Valley, CAAtascadero, CAUnited States
 White57.6%  Unlock59.4%
 Black  Unlock0.6%12.2%
 Asian11.1%  Unlock5.6%
 Native American  Unlock0.4%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock18.3%18.4%
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 Marriage & Family
 Simi Valley, CAAtascadero, CAUnited States
 Married Population50.5%  Unlock49.8%
     Currently Married  Unlock53.1%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock45.2%50.2%
 Never Married33.6%  Unlock33.8%
 Divorced  Unlock10.7%10.8%
 Widowed5.9%  Unlock5.6%
 space5
 Household Size  Unlock2.512.60
 Households43,893  Unlock124,010,992
 Family Households  Unlock8,04280,755,759
     Married couple, w/children32.3%  Unlock30.5%
     Married couple, no children  Unlock47.9%42.9%
 Non Family Households12,928  Unlock43,255,233
     Single householder, w/children  Unlock12.0%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

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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

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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

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Reviews for Atascadero    8 Reviews

Moved up here 20 years ago from coastal Southern California and we love it. Home prices are high, and wages do not keep pace, but that’s a problem for all of California.  More

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Over 9 years ago

Have lived on the Central Coast of California for many years, and the area is wonderful with a moderate Med climate and laid back lifestyle. Unfortunately as I near  More

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We moved to Atascadero in 2006 and at that time it was nice, low crime rate. Lots of places to eat and go out. BUT today 2015 is a lot different. The homeless have  More

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