Most Common Surnames in Colorado ()

Colorado is a state in the western United States encompassing most of the southern Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains. It is the 8th most extensive and 21st most populous U.S. state. The estimated population of Colorado is 5,758,736 as of 2019, an increase of 14.5% since the 2010 United States Census.


1. Smith 47.8k
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2. Johnson 39.0k
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3. Martinez 31.1k
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4. Miller 28.7k
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5. Brown 25.4k
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6. Jones 23.8k
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7. Anderson 21.8k
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8. Williams 22.2k
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9. Garcia 20.5k
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10. Davis 20.2k
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