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2025 Compare Cities People:
Union City, CA vs Sammamish, WA

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Highlights
- Sammamish is 0% more densely populated than Union City.
- People are 23.5% more likely to be married in Sammamish.
- The Median Age is 1.6 years younger in Sammamish.
 Union City, CASammamish, WAUnited States
 Population  Unlock66,532329,725,481
 Female Population48.9%  Unlock50.5%
 Male Population51.1%  Unlock49.5%
 Median Age  Unlock39.238.4
 space3
 Population - 201069,628  Unlock309,327,143
 Population - 2000  Unlock34,104285,036,114
 Population - 199053,762  Unlock251,960,433
 Pop. 2000 to Now  Unlock93.4%15.6%
 Pop. 1990 to Now38.6%  Unlock30.8%
 space4
 Population Density  Unlock3,255.593.4
 Land Area19.4  Unlock3,531,905.4
 Water Area  Unlock3.7264,836.8
 space
 Est. Total Population By Age
 Union City, CASammamish, WAUnited States
 Age 0 to 44.6%  Unlock5.9%
 Age 5 to 9  Unlock7.3%6.1%
 Age 10 to 145.6%  Unlock6.6%
 Age 15 to 17  Unlock6.3%3.9%
 Age 18 to 203.0%  Unlock4.0%
 Age 21 to 24  Unlock2.9%5.2%
 Age 25 to 3414.9%  Unlock13.8%
 Age 35 to 44  Unlock18.2%12.9%
 Age 45 to 5413.7%  Unlock12.6%
 Age 55 to 59  Unlock6.5%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock5.6%9.6%
 Age 75 to 844.6%  Unlock4.5%
 Age 85 and over  Unlock0.5%1.9%
 space1
 Race
 Union City, CASammamish, WAUnited States
 White14.7%  Unlock59.4%
 Black  Unlock1.6%12.2%
 Asian55.0%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.9%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races3.8%  Unlock3.2%
 Hispanic  Unlock3.5%18.4%
 space2
 Marriage & Family
 Union City, CASammamish, WAUnited States
 Married Population57.2%  Unlock49.8%
     Currently Married  Unlock70.0%48.0%
 Married but Separated1.1%  Unlock1.8%
 Single Population  Unlock29.3%50.2%
 Never Married31.3%  Unlock33.8%
 Divorced  Unlock4.8%10.8%
 Widowed5.1%  Unlock5.6%
 space5
 Household Size  Unlock3.032.60
 Households20,800  Unlock124,010,992
 Family Households  Unlock19,13880,755,759
     Married couple, w/children35.0%  Unlock30.5%
     Married couple, no children  Unlock34.7%42.9%
 Non Family Households3,821  Unlock43,255,233
     Single householder, w/children  Unlock7.1%15.8%
     Single householder, no children11.1%  Unlock10.8%
Voting
Reviews for Union City    1 Reviews
Miriam · Union City, CA
hello from Union City
Over 19 years ago

Hi, I am looking for a small, friendly town with low crime and friendly people, outdoor activites, mellow, etc. (in the bay area). I am currently hoping to move to  More

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Reviews for Sammamish    4 Reviews
Paula · Sammamish, WA
Soggy in Seattle
Over 10 years ago

Seattle has beautiful greenery and gorgeous mountain views. It is quite dark and gloomy for much of the late fall into spring...or July 5th as locals know quite well. I  More

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Loren · Sammamish, WA
Seems expensive, but worth it
Over 11 years ago

Housing seems to be very overpriced, however after all things considered, it is well worth it. (Family of  More

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Noelle · Sammamish, WA
Sammamish is an all-around great place to live!
Over 13 years ago

Sammamish is honestly a wonderful place to live. It's perfect for a family who wants a comfortable entertaining suburban life. The schools are pretty great, as I can say  More

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Learn More About Union City, California
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