2025 Compare Cities Crime:
Boulder, CO vs Union City, CA

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Highlights
- Union City has 15% more violent crime than Boulder.
- Union City has 16% less property crime than Boulder.
 Boulder, COUnion City, CAUnited States
 Violent Crime  Unlock15.822.7
 Property Crime40.9  Unlock35.4

Crime is ranked on a scale of 1 (low crime) to 100 (high crime)

Reviews for Boulder    55 Reviews

Outside of the university, Boulder had a very distinctive "wealthy hippy" feel. A lot of alternative medicine and a matching ethos. This is changing some among my  More

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We moved here from Texas about 4 years ago and love it here! The amazing sense of community and high regard for the environment are two of the main reasons we love  More

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Over 5 years ago

Most people do much worse than Boulder. I'm the most critical person I've ever met who is never happy or satisfied -- so that's a pretty huge compliment.   More

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Reviews for Union City    1 Reviews

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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Cities with the Least Crime Near Boulder, ColoradoCrime Index
 Hidden Lake, CO 
 Pine Brook Hill, CO9.45
 Bark Ranch, CO11.6
 Leyner, CO11.6
 Sunshine, CO11.6
 Tall Timber, CO12.1
 Seven Hills, CO12.25
 Eldorado Springs, CO12.35
 Crisman, CO12.5
 Louisville, CO12.55

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