South Dakota Demographics
South Dakota has a population of 886,667 (2020 Census). The demographic composition helps explain which surnames are most prevalent in the state.
Top 200 Most Common Surnames in South Dakota
These surnames are estimated to be the most common in South Dakota based on national surname frequency data weighted by SD's demographic composition (BISG method).
| # | Surname | Origin | Est. Frequency | National Rank |
|---|---|---|---|---|
| 1 | Smith | English | 4,324 | #1 |
| 2 | Johnson | English | 2,868 | #2 |
| 3 | Miller | English | 2,422 | #7 |
| 4 | Brown | English | 2,097 | #4 |
| 5 | Jones | Welsh/English | 1,986 | #5 |
| 6 | Williams | Welsh/English | 1,896 | #3 |
| 7 | Davis | Welsh/English | 1,743 | #8 |
| 8 | Anderson | English/Scandinavian | 1,468 | #15 |
| 9 | Wilson | English | 1,351 | #14 |
| 10 | Martin | English/French | 1,310 | #20 |
| 11 | Taylor | English | 1,230 | #17 |
| 12 | Moore | English/Irish | 1,203 | #18 |
| 13 | Thompson | English | 1,158 | #23 |
| 14 | White | English | 1,083 | #24 |
| 15 | Clark | English | 1,046 | #27 |
| 16 | Thomas | Welsh/English | 1,007 | #16 |
| 17 | Baker | English | 832 | #44 |
| 18 | Nelson | English/Scandinavian | 821 | #43 |
| 19 | Allen | English/Celtic | 815 | #33 |
| 20 | King | English | 815 | #34 |
| 21 | Harris | English/Welsh | 812 | #25 |
| 22 | Young | English | 803 | #32 |
| 23 | Adams | English | 789 | #42 |
| 24 | Lewis | Welsh/English | 780 | #29 |
| 25 | Walker | English | 772 | #31 |
| 26 | Wright | English | 756 | #35 |
| 27 | Hall | English | 737 | #45 |
| 28 | Jackson | English | 727 | #19 |
| 29 | Roberts | Welsh/English | 724 | #50 |
| 30 | Campbell | Scottish | 708 | #47 |
| 31 | Hill | English | 701 | #39 |
| 32 | Phillips | English/Welsh | 688 | #52 |
| 33 | Scott | English/Scottish | 665 | #36 |
| 34 | Robinson | English | 655 | #30 |
| 35 | Lee | English/Chinese/Korean | 639 | #21 |
| 36 | Murphy | Irish | 636 | #64 |
| 37 | Green | English | 616 | #41 |
| 38 | Cook | English | 614 | #65 |
| 39 | Evans | Welsh | 607 | #53 |
| 40 | Mitchell | English | 589 | #48 |
| 41 | Collins | Irish/English | 589 | #59 |
| 42 | Morris | Welsh/English | 585 | #62 |
| 43 | Peterson | English/Scandinavian | 582 | #71 |
| 44 | Parker | English | 581 | #56 |
| 45 | Rogers | English | 567 | #66 |
| 46 | Turner | English | 561 | #54 |
| 47 | Stewart | Scottish/English | 561 | #61 |
| 48 | Carter | English | 552 | #49 |
| 49 | Wood | English | 550 | #84 |
| 50 | Morgan | Welsh | 542 | #69 |
| 51 | Cox | English | 535 | #78 |
| 52 | Kelly | Irish | 519 | #74 |
| 53 | Edwards | English | 518 | #58 |
| 54 | Bailey | English | 501 | #72 |
| 55 | Reed | English | 492 | #73 |
| 56 | Ward | English | 490 | #79 |
| 57 | Myers | English | 481 | #96 |
| 58 | Sullivan | European | 480 | #105 |
| 59 | Cooper | English | 476 | #70 |
| 60 | Bennett | English | 471 | #86 |
| 61 | Hughes | Welsh/English | 460 | #90 |
| 62 | Long | English | 455 | #97 |
| 63 | Fisher | English | 440 | #112 |
| 64 | Price | Welsh | 433 | #91 |
| 65 | Howard | English | 426 | #75 |
| 66 | Russell | Unknown | 424 | #104 |
| 67 | Gray | English/Scottish | 422 | #87 |
| 68 | Watson | English | 417 | #81 |
| 69 | Reynolds | Unknown | 403 | #121 |
| 70 | Foster | English | 396 | #99 |
| 71 | Ross | Scottish | 395 | #98 |
| 72 | Richardson | English | 390 | #80 |
| 73 | Olson | English | 384 | #157 |
| 74 | Brooks | English | 381 | #82 |
| 75 | Perry | Unknown | 378 | #103 |
| 76 | Powell | English | 377 | #101 |
| 77 | Stevens | Unknown | 375 | #135 |
| 78 | Snyder | English | 372 | #165 |
| 79 | West | Unknown | 368 | #125 |
| 80 | Cole | Unknown | 366 | #126 |
| 81 | Wagner | English | 356 | #173 |
| 82 | Kennedy | Unknown | 355 | #146 |
| 83 | Barnes | Spanish/Portuguese | 354 | #110 |
| 84 | Hamilton | English | 353 | #119 |
| 85 | Meyer | English | 353 | #183 |
| 86 | Sanders | English | 351 | #94 |
| 87 | Graham | English | 351 | #120 |
| 88 | Patterson | English | 345 | #117 |
| 89 | Murray | Unknown | 345 | #136 |
| 90 | Schmidt | German | 345 | #185 |
| 91 | Mcdonald | Irish/Scottish | 344 | #143 |
| 92 | Gibson | English | 343 | #130 |
| 93 | Butler | English | 342 | #108 |
| 94 | Wallace | Unknown | 341 | #123 |
| 95 | Bell | Unknown | 338 | #106 |
| 96 | Hayes | Spanish/Portuguese | 336 | #127 |
| 97 | Fox | European | 332 | #180 |
| 98 | Ellis | Unknown | 331 | #131 |
| 99 | Burns | Unknown | 330 | #155 |
| 100 | Henderson | English | 327 | #109 |
| 101 | James | English | 326 | #85 |
| 102 | Stone | Italian | 326 | #178 |
| 103 | Ryan | European | 325 | #193 |
| 104 | Wells | Unknown | 324 | #147 |
| 105 | Jenkins | Unknown | 323 | #102 |
| 106 | Jordan | Unknown | 321 | #116 |
| 107 | Hansen | Scandinavian | 321 | #204 |
| 108 | Griffin | Unknown | 317 | #122 |
| 109 | Webb | Unknown | 317 | #152 |
| 110 | Rose | Unknown | 312 | #177 |
| 111 | Harrison | English | 311 | #141 |
| 112 | Simmons | Unknown | 306 | #114 |
| 113 | Hoffman | English | 305 | #224 |
| 114 | Marshall | Unknown | 304 | #139 |
| 115 | Owens | Unknown | 301 | #140 |
| 116 | Weaver | English | 301 | #192 |
| 117 | Garcia | Spanish | 299 | #6 |
| 118 | Alexander | English | 299 | #118 |
| 119 | Nichols | Unknown | 297 | #189 |
| 120 | Johnston | English | 297 | #225 |
| 121 | Tucker | English | 292 | #153 |
| 122 | Palmer | English | 292 | #172 |
| 123 | Mills | Unknown | 292 | #182 |
| 124 | Kelley | English | 292 | #198 |
| 125 | Hunt | Unknown | 291 | #169 |
| 126 | Simpson | English | 288 | #158 |
| 127 | Shaw | Unknown | 288 | #164 |
| 128 | Rice | Unknown | 288 | #184 |
| 129 | Ford | English | 287 | #137 |
| 130 | Black | Unknown | 287 | #174 |
| 131 | Larson | English | 287 | #247 |
| 132 | Bryant | Unknown | 283 | #128 |
| 133 | Peters | Unknown | 282 | #205 |
| 134 | Carlson | English | 282 | #252 |
| 135 | Crawford | English | 281 | #156 |
| 136 | Robertson | English | 281 | #175 |
| 137 | Dunn | French | 281 | #197 |
| 138 | Arnold | Unknown | 280 | #201 |
| 139 | Porter | English | 279 | #159 |
| 140 | Pierce | Unknown | 278 | #202 |
| 141 | Freeman | English | 277 | #151 |
| 142 | Carpenter | English | 277 | #231 |
| 143 | Carroll | Unknown | 276 | #215 |
| 144 | Mason | English | 275 | #166 |
| 145 | Elliott | Unknown | 275 | #210 |
| 146 | Coleman | English | 274 | #107 |
| 147 | Hart | Unknown | 274 | #207 |
| 148 | Obrien | European | 274 | #258 |
| 149 | Ferguson | English | 272 | #188 |
| 150 | Martinez | Spanish | 270 | #10 |
| 151 | Jensen | Scandinavian | 268 | #265 |
| 152 | Hicks | Unknown | 266 | #170 |
| 153 | Warren | Unknown | 266 | #181 |
| 154 | Stephens | Unknown | 266 | #190 |
| 155 | Gardner | English | 266 | #194 |
| 156 | Rodriguez | Spanish | 265 | #9 |
| 157 | Henry | Unknown | 264 | #149 |
| 158 | Burke | European | 261 | #246 |
| 159 | Woods | Unknown | 260 | #144 |
| 160 | Gordon | Unknown | 260 | #161 |
| 161 | Duncan | French | 257 | #212 |
| 162 | Lane | French/Spanish | 257 | #216 |
| 163 | Richards | Unknown | 255 | #228 |
| 164 | Payne | Unknown | 254 | #195 |
| 165 | Weber | English | 254 | #283 |
| 166 | Hanson | English | 253 | #276 |
| 167 | Chapman | English | 252 | #236 |
| 168 | Wheeler | English | 251 | #243 |
| 169 | Hunter | English | 248 | #160 |
| 170 | Ray | Unknown | 248 | #220 |
| 171 | Cunningham | English | 247 | #211 |
| 172 | Knight | Unknown | 246 | #209 |
| 173 | Walsh | European | 245 | #295 |
| 174 | Schultz | European | 245 | #297 |
| 175 | Bishop | Unknown | 244 | #262 |
| 176 | Boyd | Unknown | 243 | #176 |
| 177 | Armstrong | Unknown | 243 | #213 |
| 178 | Riley | English | 243 | #217 |
| 179 | Spencer | English | 242 | #199 |
| 180 | Lynch | Unknown | 240 | #259 |
| 181 | Andrews | Unknown | 239 | #218 |
| 182 | Morrison | English | 238 | #250 |
| 183 | Schneider | English | 238 | #312 |
| 184 | Bradley | English | 236 | #208 |
| 185 | Berry | Unknown | 234 | #222 |
| 186 | Hernandez | Spanish | 229 | #11 |
| 187 | Perkins | Unknown | 228 | #223 |
| 188 | Hudson | English | 225 | #214 |
| 189 | Welch | Unknown | 225 | #284 |
| 190 | Holmes | Spanish/Portuguese | 224 | #171 |
| 191 | Lawrence | French/Spanish | 223 | #232 |
| 192 | Gilbert | Unknown | 222 | #268 |
| 193 | Keller | English | 222 | #317 |
| 194 | Howell | English | 221 | #272 |
| 195 | Jacobs | Unknown | 220 | #257 |
| 196 | Williamson | English | 220 | #267 |
| 197 | Lawson | English | 219 | #256 |
| 198 | Dixon | Italian | 218 | #167 |
| 199 | Carr | Unknown | 218 | #255 |
| 200 | Dean | French/Spanish | 217 | #269 |
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How We Estimate State Surnames
The US Census Bureau publishes national surname frequency data along with ethnic/racial distribution percentages for each surname. We combine this with South Dakota's demographic composition from the 2020 Census to estimate which surnames are most common in the state.
This approach, known as Bayesian Improved Surname Geocoding (BISG), is widely used in academic research and government applications. While individual estimates may vary, the overall rankings provide a reliable picture of surname prevalence in South Dakota.
Data sources: US Census Bureau Decennial Census 2010 (surnames) and 2020 (state demographics).