Popular Last Names
| Rank | Name | People |
| 1 | SMITH | 2.442.977 |
| 2 | JOHNSON | 1.932.812 |
| 3 | WILLIAMS | 1.625.252 |
| 4 | BROWN | 1.437.026 |
| 5 | JONES | 1.425.470 |
| 6 | GARCIA | 1.166.120 |
| 7 | MILLER | 1.161.437 |
| 8 | DAVIS | 1.116.357 |
| 9 | RODRIGUEZ | 1.094.924 |
| 10 | MARTINEZ | 1.060.159 |
| 11 | HERNANDEZ | 1.043.281 |
| 12 | LOPEZ | 874.523 |
| 13 | GONZALEZ | 841.025 |
| 14 | WILSON | 801.882 |
| 15 | ANDERSON | 784.404 |
| 16 | THOMAS | 756.142 |
| 17 | TAYLOR | 751.209 |
| 18 | MOORE | 724.374 |
| 19 | JACKSON | 708.099 |
| 20 | MARTIN | 702.625 |
| 21 | LEE | 693.023 |
| 22 | PEREZ | 681.645 |
| 23 | THOMPSON | 664.644 |
| 24 | WHITE | 660.491 |
| 25 | HARRIS | 624.252 |
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Notes: Data comes from 2010 US Census.