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

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Highlights
- Helena is 0% more densely populated than Simi Valley.
- People are 16.4% less likely to be married in Helena.
- The Median Age is 1.1 years younger in Helena.
 Simi Valley, CAHelena, MTUnited States
 Population  Unlock32,060329,725,481
 Female Population51.0%  Unlock50.5%
 Male Population49.1%  Unlock49.5%
 Median Age  Unlock39.938.4
 space3
 Population - 2010124,424  Unlock309,327,143
 Population - 2000  Unlock25,780285,036,114
 Population - 1990100,217  Unlock251,960,433
 Pop. 2000 to Now  Unlock30.9%15.6%
 Pop. 1990 to Now24.9%  Unlock30.8%
 space4
 Population Density  Unlock1,919.293.4
 Land Area41.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Simi Valley, CAHelena, MTUnited 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  Unlock3.3%3.9%
 Age 18 to 203.8%  Unlock4.0%
 Age 21 to 24  Unlock6.0%5.2%
 Age 25 to 3413.3%  Unlock13.8%
 Age 35 to 44  Unlock13.5%12.9%
 Age 45 to 5414.8%  Unlock12.6%
 Age 55 to 59  Unlock6.3%6.7%
 Age 60 to 646.7%  Unlock6.3%
 Age 65 to 74  Unlock11.5%9.6%
 Age 75 to 844.5%  Unlock4.5%
 Age 85 and over  Unlock2.5%1.9%
 space1
 Race
 Simi Valley, CAHelena, MTUnited States
 White57.6%  Unlock59.4%
 Black  Unlock0.6%12.2%
 Asian11.1%  Unlock5.6%
 Native American  Unlock1.1%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock5.0%18.4%
 space2
 Marriage & Family
 Simi Valley, CAHelena, MTUnited States
 Married Population50.5%  Unlock49.8%
     Currently Married  Unlock41.4%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock57.8%50.2%
 Never Married33.6%  Unlock33.8%
 Divorced  Unlock18.4%10.8%
 Widowed5.9%  Unlock5.6%
 space5
 Household Size  Unlock2.032.60
 Households43,893  Unlock124,010,992
 Family Households  Unlock7,13880,755,759
     Married couple, w/children32.3%  Unlock30.5%
     Married couple, no children  Unlock45.9%42.9%
 Non Family Households12,928  Unlock43,255,233
     Single householder, w/children  Unlock17.7%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 Helena    17 Reviews
Doug · Helena Valley West Central, MT
Nice safe mountain town. Little too quiet for me
Over 3 years ago

I spent 6 months living on a ranch in the Helena valley. This was during the population boom Montana experienced after covid. Helena has some great mountain biking  More

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Christine · Helena Valley West Central, MT
Best Decision Ever
Over 3 years ago

We transplanted from Southern California 3 years ago and have never looked back! Living in the small unincorporated town of York Montana located in the Helena nation  More

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Al 68 · Ogden, UT
Growing up in Helena
Over 5 years ago

I lived here for 16 years. It is a great place to grow  More

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Learn More About Simi Valley, California
Overview
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Learn More About Helena, Montana
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