Last Names Starting with K
9,246 surnames found in U.S. Census data starting with K. Sorted by Census rank.
| Rank | Name | Est. Bearers | Per 100K | Rarity |
|---|---|---|---|---|
| #1741 | Kruse | 23,445 | 6.98 | Uncommon |
| #1765 | Keenan | 23,177 | 6.90 | Uncommon |
| #1853 | Koehler | 22,068 | 6.57 | Uncommon |
| #1890 | Kraus | 21,665 | 6.45 | Uncommon |
| #1900 | Keys | 21,531 | 6.41 | Uncommon |
| #1924 | Kyle | 21,329 | 6.35 | Uncommon |
| #1934 | Kiser | 21,262 | 6.33 | Uncommon |
| #1959 | Keen | 21,027 | 6.26 | Uncommon |
| #1979 | Keyes | 20,792 | 6.19 | Uncommon |
| #1999 | Kowalski | 20,590 | 6.13 | Uncommon |
| #2000 | Kincaid | 20,590 | 6.13 | Uncommon |
| #2003 | Kimble | 20,557 | 6.12 | Uncommon |
| #2032 | Keene | 20,154 | 6.00 | Uncommon |
| #2077 | Kenny | 19,851 | 5.91 | Uncommon |
| #2121 | Keating | 19,415 | 5.78 | Uncommon |
| #2145 | Knutson | 19,247 | 5.73 | Uncommon |
| #2177 | Kohler | 19,012 | 5.66 | Uncommon |
| #2258 | Kinsey | 18,340 | 5.46 | Uncommon |
| #2333 | Kerns | 17,769 | 5.29 | Uncommon |
| #2378 | Kellogg | 17,433 | 5.19 | Uncommon |
| #2390 | Kitchen | 17,265 | 5.14 | Uncommon |
| #2394 | Kearns | 17,231 | 5.13 | Uncommon |
| #2466 | Knott | 16,660 | 4.96 | Uncommon |
| #2473 | Kahn | 16,593 | 4.94 | Uncommon |
| #2501 | Kelsey | 16,459 | 4.90 | Uncommon |
| #2551 | Kong | 16,123 | 4.80 | Uncommon |
| #2553 | Kaminski | 16,123 | 4.80 | Uncommon |
| #2565 | Kilpatrick | 16,056 | 4.78 | Uncommon |
| #2591 | Kruger | 15,821 | 4.71 | Uncommon |
| #2633 | Keener | 15,585 | 4.64 | Uncommon |
| #2708 | Ko | 15,149 | 4.51 | Uncommon |
| #2721 | Kwon | 15,082 | 4.49 | Uncommon |
| #2796 | Kenyon | 14,679 | 4.37 | Uncommon |
| #2833 | Killian | 14,477 | 4.31 | Uncommon |
| #2978 | Kimbrough | 13,704 | 4.08 | Uncommon |
| #3064 | Kolb | 13,335 | 3.97 | Uncommon |
| #3124 | Keeler | 13,133 | 3.91 | Uncommon |
| #3133 | Krieger | 13,133 | 3.91 | Uncommon |
| #3154 | Keane | 13,033 | 3.88 | Uncommon |
| #3227 | Keck | 12,730 | 3.79 | Uncommon |
| #3232 | Kopp | 12,730 | 3.79 | Uncommon |
| #3240 | Kiefer | 12,697 | 3.78 | Uncommon |
| #3253 | Kroll | 12,630 | 3.76 | Uncommon |
| #3260 | Krebs | 12,596 | 3.75 | Uncommon |
| #3275 | Keefe | 12,562 | 3.74 | Uncommon |
| #3307 | Kuntz | 12,361 | 3.68 | Uncommon |
| #3359 | Kitchens | 12,126 | 3.61 | Uncommon |
| #3391 | Kinder | 11,991 | 3.57 | Uncommon |
| #3392 | Koontz | 11,991 | 3.57 | Uncommon |
| #3396 | Kimmel | 11,991 | 3.57 | Uncommon |