Local Data Search
A total of 411 results found. Show Results on Map.
| Rank | Swiss as First Ancestry Population Percentage ▼ | City / Population |
| 1. | 50.0% | Frytown, IA / 85 |
| 2. | 21.1% | Elgin, IA / 793 |
| 3. | 18.1% | West Bend, IA / 922 |
| 4. | 11.9% | Lester, IA / 299 |
| 5. | 10.9% | Oakville, IA / 123 |
| 6. | 10.0% | Marysville, IA / 22 |
| 7. | 9.9% | Baldwin, IA / 101 |
| 8. | 9.1% | Farmersburg, IA / 264 |
| 9. | 8.6% | Clayton, IA / 37 |
| 10. | 7.8% | Kalona, IA / 2,501 |
| 11. | 7.5% | Wellman, IA / 1,537 |
| 12. | 7.0% | Denmark, IA / 309 |
| 13. | 6.4% | Homestead, IA / 129 |
| 14. | 6.1% | Westphalia, IA / 122 |
| 15. | 6.1% | High Amana, IA / 124 |
| 16. | 6.1% | Maysville, IA / 161 |
| 17. | 5.9% | Clermont, IA / 672 |
| 18. | 5.9% | Stanley, IA / 97 |
| 19. | 5.4% | Rodman, IA / 49 |
| 20. | 4.8% | Dunlap, IA / 1,172 |
| 21. | 4.6% | Farley, IA / 1,527 |
| 22. | 4.6% | Luana, IA / 293 |
| 23. | 4.5% | Houghton, IA / 143 |
| 24. | 4.1% | South Amana, IA / 160 |
| 25. | 4.1% | Pleasant Plain, IA / 55 |
| 26. | 3.9% | Ainsworth, IA / 589 |
| 27. | 3.8% | Thornton, IA / 422 |
| 28. | 3.8% | Cromwell, IA / 87 |
| 29. | 3.6% | Osterdock, IA / 67 |
| 30. | 3.6% | North Buena Vista, IA / 109 |
| 31. | 3.6% | Elma, IA / 629 |
| 32. | 3.5% | West Union, IA / 2,642 |
| 33. | 3.4% | Sheldahl, IA / 232 |
| 34. | 3.4% | Lone Tree, IA / 1,394 |
| 34. | 3.4% | Crawfordsville, IA / 287 |
| 36. | 3.2% | Edgewood, IA / 836 |
| 37. | 3.0% | Haverhill, IA / 175 |
| 38. | 2.9% | Gray, IA / 94 |
| 39. | 2.9% | Eldridge, IA / 5,908 |
| 40. | 2.9% | Whitten, IA / 128 |
| 41. | 2.8% | Elk Horn, IA / 638 |
| 42. | 2.8% | Renwick, IA / 317 |
| 43. | 2.8% | Luzerne, IA / 83 |
| 43. | 2.8% | Mount Sterling, IA / 36 |
| 45. | 2.6% | Mount Auburn, IA / 106 |
| 46. | 2.6% | Beaverdale, IA / 1,231 |
| 47. | 2.6% | Monticello, IA / 3,801 |
| 48. | 2.5% | Coggon, IA / 705 |
| 49. | 2.4% | Moville, IA / 1,436 |
| 50. | 2.4% | Marengo, IA / 2,502 |
| 51. | 2.4% | Prairieburg, IA / 199 |
| 52. | 2.4% | Hartley, IA / 1,599 |
| 53. | 2.4% | Mallard, IA / 334 |
| 54. | 2.4% | Hopkinton, IA / 578 |
| 55. | 2.3% | Rock Rapids, IA / 2,579 |
| 55. | 2.3% | Delmar, IA / 499 |
| 57. | 2.3% | Le Grand, IA / 954 |
| 58. | 2.2% | Shueyville, IA / 506 |
| 58. | 2.2% | De Soto, IA / 1,142 |
| 60. | 2.2% | Hubbard, IA / 862 |
| 61. | 2.2% | Alleman, IA / 592 |
| 62. | 2.1% | Onslow, IA / 218 |
| 62. | 2.1% | Riverdale, IA / 531 |
| 64. | 2.1% | Somers, IA / 111 |
| 65. | 2.1% | North Liberty, IA / 14,503 |
| 65. | 2.1% | Arcadia, IA / 563 |
| 67. | 2.0% | Blairsburg, IA / 116 |
| 68. | 2.0% | Harcourt, IA / 246 |
| 69. | 2.0% | Schaller, IA / 803 |
| 70. | 2.0% | Wayland, IA / 1,062 |
| 70. | 2.0% | Randalia, IA / 56 |
| 72. | 2.0% | Elkader, IA / 1,208 |
| 73. | 2.0% | Wilton, IA / 2,783 |
| 74. | 2.0% | Sageville, IA / 75 |
| 74. | 2.0% | Volga, IA / 216 |
| 76. | 1.9% | Webster, IA / 115 |
| 77. | 1.9% | Aurora, IA / 222 |
| 77. | 1.9% | Holy Cross, IA / 369 |
| 77. | 1.9% | La Motte, IA / 228 |
| 80. | 1.9% | Gilmore City, IA / 465 |
| 81. | 1.9% | Palo, IA / 902 |
| 82. | 1.9% | Princeton, IA / 1,038 |
| 83. | 1.9% | Persia, IA / 302 |
| 84. | 1.8% | Moorhead, IA / 243 |
| 85. | 1.8% | Ridgeway, IA / 322 |
| 85. | 1.8% | Birmingham, IA / 471 |
| 87. | 1.8% | Bloomfield, IA / 2,636 |
| 88. | 1.7% | Ossian, IA / 934 |
| 89. | 1.7% | West Okoboji, IA / 332 |
| 90. | 1.7% | Cresco, IA / 3,871 |
| 91. | 1.7% | Epworth, IA / 1,963 |
| 92. | 1.7% | Buckeye, IA / 90 |
| 93. | 1.7% | Wahpeton, IA / 345 |
| 94. | 1.7% | Brighton, IA / 550 |
| 95. | 1.7% | Greenfield, IA / 2,045 |
| 96. | 1.6% | Guttenberg, IA / 1,884 |
| 96. | 1.6% | Cascade, IA / 2,000 |
| 96. | 1.6% | Arnolds Park, IA / 1,109 |
| 99. | 1.6% | Asbury, IA / 4,848 |
| 99. | 1.6% | Columbus City, IA / 417 |
| 101. | 1.6% | Clarinda, IA / 5,490 |
| 102. | 1.6% | University Heights, IA / 1,214 |
| 102. | 1.6% | Hancock, IA / 219 |
| 104. | 1.6% | Granville, IA / 348 |
| 105. | 1.5% | Ryan, IA / 354 |
| 106. | 1.5% | Webb, IA / 145 |
| 107. | 1.5% | Wadena, IA / 354 |
| 108. | 1.5% | Soldier, IA / 165 |
| 108. | 1.5% | Templeton, IA / 370 |
| 110. | 1.5% | Baxter, IA / 971 |
| 111. | 1.4% | Rockford, IA / 734 |
| 112. | 1.4% | Mediapolis, IA / 1,398 |
| 112. | 1.4% | Fort Atkinson, IA / 326 |
| 114. | 1.4% | Strawberry Point, IA / 1,371 |
| 115. | 1.4% | Salix, IA / 356 |
| 116. | 1.4% | Duncombe, IA / 397 |
| 117. | 1.4% | Cleghorn, IA / 194 |
| 118. | 1.3% | Calmar, IA / 1,032 |
| 118. | 1.3% | Fairfield, IA / 9,615 |
| 120. | 1.3% | Swisher, IA / 805 |
| 121. | 1.3% | Rowley, IA / 246 |
| 121. | 1.3% | Oakland, IA / 1,621 |
| 123. | 1.3% | Decatur City, IA / 218 |
| 124. | 1.3% | Adair, IA / 890 |
| 125. | 1.3% | Stanton, IA / 708 |
| 126. | 1.3% | Wapello, IA / 1,903 |
| 126. | 1.3% | Dallas Center, IA / 1,757 |
| 128. | 1.2% | Livermore, IA / 407 |
| 129. | 1.2% | Fairfax, IA / 2,332 |
| 129. | 1.2% | Spillville, IA / 356 |
| 131. | 1.2% | Fredericksburg, IA / 1,034 |
| 132. | 1.2% | Griswold, IA / 1,182 |
| 133. | 1.2% | Alton, IA / 1,190 |
| 133. | 1.2% | Oxford, IA / 877 |
| 133. | 1.2% | Elkhart, IA / 597 |
| 136. | 1.1% | Knierim, IA / 93 |
| 136. | 1.1% | Bertram, IA / 334 |
| 136. | 1.1% | Luxemburg, IA / 192 |
| 136. | 1.1% | Tiffin, IA / 1,921 |
| 140. | 1.1% | Lorimor, IA / 419 |
| 140. | 1.1% | Andrew, IA / 399 |
| 142. | 1.1% | Mondamin, IA / 336 |
| 142. | 1.1% | Seymour, IA / 871 |
| 144. | 1.1% | Maynard, IA / 541 |
| 145. | 1.1% | Villisca, IA / 1,282 |
| 145. | 1.1% | Hazleton, IA / 811 |
| 147. | 1.1% | Lohrville, IA / 413 |
| 148. | 1.1% | Milford, IA / 2,955 |
| 149. | 1.1% | Earlville, IA / 780 |
| 150. | 1.0% | Eddyville, IA / 1,227 |
| 150. | 1.0% | Larchwood, IA / 1,004 |
| 152. | 1.0% | Martinsburg, IA / 151 |
| 152. | 1.0% | Massena, IA / 367 |
| 154. | 1.0% | Slater, IA / 1,587 |
| 155. | 1.0% | Shell Rock, IA / 1,242 |
| 156. | 1.0% | Mapleton, IA / 1,454 |
| 156. | 1.0% | Spencer, IA / 11,177 |
| 158. | 1.0% | Stout, IA / 237 |
| 159. | 1.0% | Zwingle, IA / 123 |
| 159. | 1.0% | Sutherland, IA / 591 |
| 161. | 1.0% | Central City, IA / 1,284 |
| 161. | 1.0% | Mount Vernon, IA / 4,532 |
| 163. | 1.0% | Hawkeye, IA / 602 |
| 163. | 1.0% | Lamoni, IA / 2,547 |
| 165. | 0.9% | Fremont, IA / 644 |
| 166. | 0.9% | Ventura, IA / 667 |
| 166. | 0.9% | Tripoli, IA / 1,557 |
| 168. | 0.9% | Malvern, IA / 1,042 |
| 169. | 0.9% | Marion, IA / 35,809 |
| 170. | 0.9% | Oelwein, IA / 6,321 |
| 170. | 0.9% | Lenox, IA / 1,430 |
| 170. | 0.9% | Barnum, IA / 248 |
| 173. | 0.9% | Rose Hill, IA / 132 |
| 173. | 0.9% | Middle Amana, IA / 595 |
| 175. | 0.9% | Long Grove, IA / 940 |
| 175. | 0.9% | Manilla, IA / 997 |
| 177. | 0.8% | Quimby, IA / 280 |
| 177. | 0.8% | Lost Nation, IA / 502 |
| 177. | 0.8% | Atkins, IA / 1,812 |
| 180. | 0.8% | Iowa City, IA / 70,597 |
| 180. | 0.8% | Montour, IA / 268 |
| 182. | 0.8% | Shelby, IA / 617 |
| 182. | 0.8% | Ruthven, IA / 651 |
| 184. | 0.8% | Independence, IA / 5,955 |
| 185. | 0.8% | Iowa Falls, IA / 5,193 |
| 186. | 0.8% | Riverside, IA / 1,034 |
| 186. | 0.8% | Greeley, IA / 320 |
| 188. | 0.8% | Lansing, IA / 881 |
| 188. | 0.8% | Fertile, IA / 333 |
| 190. | 0.8% | Clive, IA / 16,246 |
| 190. | 0.8% | Fenton, IA / 290 |
| 192. | 0.8% | Clarion, IA / 2,795 |
| 193. | 0.7% | Whiting, IA / 878 |
| 193. | 0.7% | Murray, IA / 555 |
| 193. | 0.7% | Solon, IA / 2,460 |
| 196. | 0.7% | Ames, IA / 61,276 |
| 196. | 0.7% | Remsen, IA / 1,869 |
| 198. | 0.7% | Okoboji, IA / 923 |
| 198. | 0.7% | Reinbeck, IA / 1,824 |
| 198. | 0.7% | Swaledale, IA / 174 |
| 201. | 0.7% | West Liberty, IA / 3,750 |
| 201. | 0.7% | Estherville, IA / 6,177 |
| 203. | 0.7% | Pocahontas, IA / 1,732 |
| 203. | 0.7% | Denver, IA / 1,844 |
| 205. | 0.7% | Farnhamville, IA / 339 |
| 205. | 0.7% | Dakota City, IA / 769 |
| 205. | 0.7% | Pella, IA / 10,343 |
| 208. | 0.7% | Fort Dodge, IA / 24,846 |
| 208. | 0.7% | Durant, IA / 2,041 |
| 208. | 0.7% | Danbury, IA / 372 |
| 211. | 0.7% | Bellevue, IA / 2,158 |
| 212. | 0.7% | West Des Moines, IA / 59,815 |
| 213. | 0.7% | Hiawatha, IA / 7,109 |
| 213. | 0.7% | Grundy Center, IA / 2,704 |
| 213. | 0.7% | Grinnell, IA / 9,136 |
| 213. | 0.7% | Dow City, IA / 561 |
| 213. | 0.7% | Orient, IA / 385 |
| 213. | 0.7% | Lamont, IA / 354 |
| 213. | 0.7% | Britt, IA / 1,985 |
| 213. | 0.7% | Scranton, IA / 567 |
| 221. | 0.6% | Postville, IA / 2,329 |
| 221. | 0.6% | Jefferson, IA / 4,296 |
| 223. | 0.6% | Delhi, IA / 393 |
| 223. | 0.6% | Fayette, IA / 1,206 |
| 223. | 0.6% | Earlham, IA / 1,778 |
| 223. | 0.6% | Boone, IA / 12,619 |
| 227. | 0.6% | Millersburg, IA / 186 |
| 227. | 0.6% | Lambs Grove, IA / 175 |
| 227. | 0.6% | Colesburg, IA / 366 |
| 227. | 0.6% | Ionia, IA / 387 |
| 227. | 0.6% | Lakota, IA / 226 |
| 232. | 0.6% | Washta, IA / 271 |
| 233. | 0.6% | Waverly, IA / 9,998 |
| 234. | 0.6% | Minden, IA / 578 |
| 234. | 0.6% | Sanborn, IA / 1,216 |
| 234. | 0.6% | Goldfield, IA / 666 |
| 234. | 0.6% | Sioux Center, IA / 7,218 |
| 238. | 0.6% | Newhall, IA / 956 |
| 238. | 0.6% | Richland, IA / 665 |
| 238. | 0.6% | Algona, IA / 5,513 |
| 238. | 0.6% | Kingsley, IA / 1,430 |
| 242. | 0.6% | Dubuque, IA / 58,068 |
| 242. | 0.6% | Colo, IA / 805 |
| 242. | 0.6% | Williamsburg, IA / 3,105 |
| 242. | 0.6% | Treynor, IA / 993 |
| 242. | 0.6% | Clarence, IA / 907 |
| 247. | 0.6% | Robins, IA / 3,282 |
| 247. | 0.6% | Harlan, IA / 5,047 |
| 247. | 0.6% | West Point, IA / 1,100 |
| 250. | 0.5% | Manning, IA / 1,554 |
| 250. | 0.5% | Marquette, IA / 426 |
| 250. | 0.5% | Underwood, IA / 925 |
| 250. | 0.5% | Bancroft, IA / 698 |
| 250. | 0.5% | Story City, IA / 3,430 |
| 255. | 0.5% | Davenport, IA / 101,316 |
| 255. | 0.5% | Cedar Falls, IA / 40,009 |
| 255. | 0.5% | Ogden, IA / 2,199 |
| 255. | 0.5% | Marshalltown, IA / 27,749 |
| 255. | 0.5% | Urbandale, IA / 41,157 |
| 260. | 0.5% | New Virginia, IA / 491 |
| 260. | 0.5% | Lewis, IA / 467 |
| 260. | 0.5% | Mcgregor, IA / 884 |
| 260. | 0.5% | Monroe, IA / 1,800 |
| 264. | 0.5% | Coon Rapids, IA / 1,408 |
| 264. | 0.5% | Ida Grove, IA / 2,093 |
| 266. | 0.5% | Meservey, IA / 232 |
| 266. | 0.5% | Everly, IA / 530 |
| 266. | 0.5% | Galva, IA / 484 |
| 266. | 0.5% | Mount Pleasant, IA / 8,682 |
| 270. | 0.5% | Rolfe, IA / 560 |
| 270. | 0.5% | Hinton, IA / 892 |
| 272. | 0.5% | Eldora, IA / 2,707 |
| 272. | 0.5% | Alta, IA / 1,919 |
| 272. | 0.5% | Leon, IA / 1,996 |
| 275. | 0.5% | Olds, IA / 247 |
| 275. | 0.5% | Farragut, IA / 561 |
| 275. | 0.5% | Yale, IA / 244 |
| 275. | 0.5% | Lake Mills, IA / 1,878 |
| 275. | 0.5% | Tabor, IA / 1,212 |
| 275. | 0.5% | New Hampton, IA / 3,555 |
| 281. | 0.5% | Alvord, IA / 236 |
| 281. | 0.5% | Cedar Rapids, IA / 128,009 |
| 281. | 0.5% | Orleans, IA / 486 |
| 281. | 0.5% | Belmond, IA / 2,391 |
| 285. | 0.5% | Steamboat Rock, IA / 254 |
| 285. | 0.5% | Mitchellville, IA / 2,396 |
| 285. | 0.5% | Badger, IA / 495 |
| 285. | 0.5% | Lu Verne, IA / 266 |
| 289. | 0.4% | Batavia, IA / 549 |
| 289. | 0.4% | Minburn, IA / 359 |
| 289. | 0.4% | Sheldon, IA / 5,047 |
| 289. | 0.4% | Nashua, IA / 1,632 |
| 293. | 0.4% | Onawa, IA / 2,954 |
| 293. | 0.4% | Greene, IA / 1,128 |
| 293. | 0.4% | Mingo, IA / 248 |
| 293. | 0.4% | Arlington, IA / 557 |
| 293. | 0.4% | Melbourne, IA / 868 |
| 293. | 0.4% | State Center, IA / 1,475 |
| 293. | 0.4% | Radcliffe, IA / 556 |
| 300. | 0.4% | Sumner, IA / 2,081 |
| 300. | 0.4% | Indianola, IA / 15,014 |
| 300. | 0.4% | Anamosa, IA / 5,526 |
| 300. | 0.4% | Winfield, IA / 951 |
| 300. | 0.4% | Dexter, IA / 751 |
| 305. | 0.4% | Correctionville, IA / 848 |
| 305. | 0.4% | Charles City, IA / 7,562 |
| 305. | 0.4% | Keokuk, IA / 10,742 |
| 305. | 0.4% | Carson, IA / 860 |
| 305. | 0.4% | Logan, IA / 1,618 |
| 310. | 0.4% | Riceville, IA / 805 |
| 310. | 0.4% | Gladbrook, IA / 819 |
| 310. | 0.4% | Council Bluffs, IA / 62,261 |
| 310. | 0.4% | Ellsworth, IA / 632 |
| 310. | 0.4% | Sioux City, IA / 82,719 |
| 310. | 0.4% | Mount Ayr, IA / 1,609 |
| 310. | 0.4% | Stratford, IA / 671 |
| 317. | 0.4% | Readlyn, IA / 851 |
| 318. | 0.4% | Chariton, IA / 4,263 |
| 318. | 0.4% | Kellerton, IA / 394 |
| 320. | 0.4% | Winthrop, IA / 956 |
| 321. | 0.4% | Springville, IA / 1,021 |
| 321. | 0.4% | Forest City, IA / 4,142 |
| 323. | 0.4% | Windsor Heights, IA / 4,877 |
| 324. | 0.3% | Columbus Junction, IA / 2,021 |
| 324. | 0.3% | Bettendorf, IA / 34,247 |
| 324. | 0.3% | Keystone, IA / 657 |
| 324. | 0.3% | Maquoketa, IA / 6,064 |
| 324. | 0.3% | Garrison, IA / 349 |
| 329. | 0.3% | Worthington, IA / 355 |
| 329. | 0.3% | Nichols, IA / 383 |
| 329. | 0.3% | Lake Park, IA / 1,065 |
| 329. | 0.3% | Ankeny, IA / 49,488 |
| 329. | 0.3% | Sac City, IA / 2,175 |
| 329. | 0.3% | Lakeside, IA / 650 |
| 335. | 0.3% | Blairstown, IA / 724 |
| 335. | 0.3% | Vinton, IA / 5,211 |
| 335. | 0.3% | Waterloo, IA / 68,392 |
| 335. | 0.3% | Mason City, IA / 27,775 |
| 335. | 0.3% | Aplington, IA / 1,104 |
| 335. | 0.3% | Decorah, IA / 8,058 |
| 335. | 0.3% | Grand Junction, IA / 854 |
| 335. | 0.3% | Shenandoah, IA / 5,079 |
| 343. | 0.3% | Atalissa, IA / 401 |
| 343. | 0.3% | Ashton, IA / 417 |
| 345. | 0.3% | Blue Grass, IA / 1,612 |
| 345. | 0.3% | Des Moines, IA / 206,702 |
| 345. | 0.3% | Woodward, IA / 1,485 |
| 345. | 0.3% | Carlisle, IA / 4,062 |
| 349. | 0.3% | New London, IA / 1,844 |
| 349. | 0.3% | Ely, IA / 1,966 |
| 349. | 0.3% | Essex, IA / 912 |
| 349. | 0.3% | Webster City, IA / 7,905 |
| 353. | 0.3% | Marcus, IA / 1,230 |
| 353. | 0.3% | Bagley, IA / 419 |
| 353. | 0.3% | Prairie City, IA / 1,656 |
| 353. | 0.3% | Collins, IA / 428 |
| 353. | 0.3% | Lawton, IA / 904 |
| 353. | 0.3% | Lowden, IA / 769 |
| 353. | 0.3% | Le Claire, IA / 3,846 |
| 353. | 0.3% | Sigourney, IA / 2,273 |
| 353. | 0.3% | Creston, IA / 7,846 |
| 362. | 0.3% | Hawarden, IA / 2,556 |
| 362. | 0.3% | Danville, IA / 989 |
| 362. | 0.3% | Osceola, IA / 4,981 |
| 365. | 0.3% | New Vienna, IA / 420 |
| 365. | 0.3% | Holstein, IA / 1,408 |
| 367. | 0.3% | Raymond, IA / 872 |
| 367. | 0.3% | Corning, IA / 1,625 |
| 367. | 0.3% | Shellsburg, IA / 1,013 |
| 367. | 0.3% | Toledo, IA / 2,208 |
| 367. | 0.3% | Burlington, IA / 25,559 |
| 372. | 0.2% | Glidden, IA / 1,403 |
| 373. | 0.2% | Walcott, IA / 1,702 |
| 373. | 0.2% | Ottumwa, IA / 24,847 |
| 373. | 0.2% | Grimes, IA / 9,037 |
| 373. | 0.2% | Hudson, IA / 2,393 |
| 373. | 0.2% | Osage, IA / 3,628 |
| 373. | 0.2% | Fort Madison, IA / 10,929 |
| 379. | 0.2% | Coralville, IA / 19,677 |
| 379. | 0.2% | Stuart, IA / 1,699 |
| 381. | 0.2% | Dyersville, IA / 4,178 |
| 381. | 0.2% | Monona, IA / 1,625 |
| 381. | 0.2% | Manson, IA / 1,724 |
| 384. | 0.2% | Clinton, IA / 26,611 |
| 385. | 0.2% | West Branch, IA / 2,684 |
| 385. | 0.2% | Oskaloosa, IA / 11,555 |
| 385. | 0.2% | Center Point, IA / 2,632 |
| 385. | 0.2% | New Sharon, IA / 1,315 |
| 385. | 0.2% | Dike, IA / 1,300 |
| 390. | 0.2% | Moravia, IA / 843 |
| 390. | 0.2% | Manchester, IA / 5,126 |
| 390. | 0.2% | Missouri Valley, IA / 2,752 |
| 393. | 0.2% | Clarksville, IA / 1,388 |
| 393. | 0.2% | Centerville, IA / 5,480 |
| 395. | 0.2% | Washington, IA / 7,315 |
| 395. | 0.2% | Tama, IA / 2,835 |
| 397. | 0.2% | Storm Lake, IA / 10,743 |
| 397. | 0.2% | Ackley, IA / 1,546 |
| 399. | 0.1% | Inwood, IA / 772 |
| 399. | 0.1% | Hull, IA / 2,263 |
| 401. | 0.1% | Fruitland, IA / 1,296 |
| 401. | 0.1% | Traer, IA / 1,814 |
| 403. | 0.1% | Le Mars, IA / 9,783 |
| 403. | 0.1% | Norwalk, IA / 9,444 |
| 405. | 0.1% | Muscatine, IA / 23,857 |
| 406. | 0.1% | Perry, IA / 7,986 |
| 407. | 0.1% | Winterset, IA / 5,165 |
| 408. | 0.1% | Altoona, IA / 15,317 |
| 408. | 0.1% | Clear Lake, IA / 7,718 |
| 408. | 0.1% | Atlantic, IA / 6,983 |
| 411. | 0.1% | Johnston, IA / 18,874 |
Please note that we only rank locations with 'Swiss as First Ancestry Population Percentage' data. The rank above might not be a complete list. Locations without 'Swiss as First Ancestry Population Percentage' data are not listed.