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2025 Compare Cities People:
Simi Valley, CA vs Westlake Village, CA

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Highlights
- Westlake Village is 0% more densely populated than Simi Valley.
- People are 24.5% more likely to be married in Westlake Village.
- The Median Age is 8.4 years older in Westlake Village.
 Simi Valley, CAWestlake Village, CAUnited States
 Population  Unlock8,081329,725,481
 Female Population51.0%  Unlock50.5%
 Male Population49.1%  Unlock49.5%
 Median Age  Unlock49.438.4
 space3
 Population - 2010124,424  Unlock309,327,143
 Population - 2000  Unlock8,368285,036,114
 Population - 1990100,217  Unlock251,960,433
 Pop. 2000 to Now  Unlock-4.0%15.6%
 Pop. 1990 to Now24.9%  Unlock30.8%
 space4
 Population Density  Unlock1,558.593.4
 Land Area41.5  Unlock3,531,905.4
 Water Area  Unlock0.3264,836.8
 space
 Est. Total Population By Age
 Simi Valley, CAWestlake Village, CAUnited States
 Age 0 to 45.2%  Unlock5.9%
 Age 5 to 9  Unlock5.2%6.1%
 Age 10 to 146.6%  Unlock6.6%
 Age 15 to 17  Unlock4.9%3.9%
 Age 18 to 203.8%  Unlock4.0%
 Age 21 to 24  Unlock2.9%5.2%
 Age 25 to 3413.3%  Unlock13.8%
 Age 35 to 44  Unlock11.1%12.9%
 Age 45 to 5414.8%  Unlock12.6%
 Age 55 to 59  Unlock5.6%6.7%
 Age 60 to 646.7%  Unlock6.3%
 Age 65 to 74  Unlock16.3%9.6%
 Age 75 to 844.5%  Unlock4.5%
 Age 85 and over  Unlock3.3%1.9%
 space1
 Race
 Simi Valley, CAWestlake Village, CAUnited States
 White57.6%  Unlock59.4%
 Black  Unlock0.6%12.2%
 Asian11.1%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock9.7%18.4%
 space2
 Marriage & Family
 Simi Valley, CAWestlake Village, CAUnited States
 Married Population50.5%  Unlock49.8%
     Currently Married  Unlock61.8%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock37.1%50.2%
 Never Married33.6%  Unlock33.8%
 Divorced  Unlock11.1%10.8%
 Widowed5.9%  Unlock5.6%
 space5
 Household Size  Unlock2.592.60
 Households43,893  Unlock124,010,992
 Family Households  Unlock2,31780,755,759
     Married couple, w/children32.3%  Unlock30.5%
     Married couple, no children  Unlock56.8%42.9%
 Non Family Households12,928  Unlock43,255,233
     Single householder, w/children  Unlock3.8%15.8%
     Single householder, no children12.8%  Unlock10.8%
Voting
Reviews for Simi Valley    22 Reviews
Arnold · Simi Valley, CA
Growing Challenges- housing costs and still the "
Over 4 years ago

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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Joseph · Simi Valley, CA
Great city(Little Pricey)
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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john · Simi Valley, CA
good place to live
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 Westlake Village    6 Reviews
Bec · Thousand Oaks, CA
Nice/safe/don't look for nightclubs LOL
Over 4 years ago

Been here since 2014 in a gated community. Moved from West Hollywood in LA, which is obviously very different. I'll say this - it's very White, very safe, and, if you're  More

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Bp · Thousand Oaks, CA
The Perfect Home
Over 14 years ago

I have lived in Westlake Village for almost 19 years and I cannot bare to leave. Beautiful weather, beautiful scenery. Not alot of great theater but if you are not to  More

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Lee · Westlake Village, CA
Summer Heat
Over 17 years ago

Too hot in the summer. Has desert climate in summer, often days  More

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Learn More About Simi Valley, California
Overview
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Learn More About Westlake Village, California
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