Local Data Search
A total of 396 results found. Show Results on Map.
| Rank | Swiss as First Ancestry Population Percentage ▼ | City / Population |
| 1. | 20.0% | Elgin, IA / 733 |
| 2. | 17.5% | Osterdock, IA / 66 |
| 3. | 15.8% | Mount Sterling, IA / 34 |
| 4. | 15.2% | Mcintire, IA / 96 |
| 5. | 10.9% | Mallard, IA / 331 |
| 6. | 9.1% | Clermont, IA / 650 |
| 7. | 8.9% | Wadena, IA / 301 |
| 8. | 8.5% | West Bend, IA / 669 |
| 9. | 7.6% | Carpenter, IA / 55 |
| 10. | 7.3% | Prairieburg, IA / 205 |
| 11. | 7.2% | Leando, IA / 168 |
| 12. | 7.1% | Pleasanton, IA / 44 |
| 13. | 6.9% | Lester, IA / 270 |
| 14. | 6.9% | Chester, IA / 169 |
| 15. | 6.8% | Templeton, IA / 370 |
| 16. | 6.5% | Rodman, IA / 36 |
| 17. | 6.1% | Stanley, IA / 112 |
| 18. | 6.1% | Wellman, IA / 1,484 |
| 19. | 5.8% | Luzerne, IA / 97 |
| 20. | 5.8% | Delhi, IA / 547 |
| 21. | 5.7% | Guernsey, IA / 58 |
| 22. | 5.6% | Andrew, IA / 381 |
| 23. | 5.4% | Ayrshire, IA / 140 |
| 24. | 5.3% | Ainsworth, IA / 532 |
| 25. | 5.2% | Exline, IA / 157 |
| 26. | 4.9% | Oakville, IA / 174 |
| 27. | 4.7% | Beaverdale, IA / 982 |
| 28. | 4.6% | Whittemore, IA / 624 |
| 29. | 4.5% | Riverdale, IA / 524 |
| 30. | 4.5% | Kelley, IA / 274 |
| 31. | 4.4% | Hornick, IA / 208 |
| 32. | 4.3% | Slater, IA / 1,583 |
| 33. | 4.3% | Sheldahl, IA / 210 |
| 34. | 4.2% | Kalona, IA / 2,449 |
| 35. | 4.2% | Crawfordsville, IA / 248 |
| 36. | 3.9% | Hopkinton, IA / 624 |
| 37. | 3.9% | Garber, IA / 94 |
| 38. | 3.8% | West Union, IA / 2,614 |
| 39. | 3.8% | Monticello, IA / 3,785 |
| 40. | 3.7% | Ridgeway, IA / 399 |
| 41. | 3.6% | Edgewood, IA / 925 |
| 42. | 3.6% | Stratford, IA / 854 |
| 43. | 3.6% | Welton, IA / 173 |
| 44. | 3.5% | Maysville, IA / 231 |
| 45. | 3.4% | Webster, IA / 78 |
| 46. | 3.4% | Rembrandt, IA / 197 |
| 47. | 3.3% | Lansing, IA / 971 |
| 48. | 3.3% | Thornton, IA / 414 |
| 49. | 3.3% | Graf, IA / 92 |
| 50. | 3.2% | Worthington, IA / 370 |
| 51. | 3.1% | Marquette, IA / 333 |
| 52. | 3.1% | Lambs Grove, IA / 212 |
| 53. | 3.0% | Grant, IA / 82 |
| 54. | 2.9% | Rickardsville, IA / 256 |
| 55. | 2.8% | Cantril, IA / 174 |
| 56. | 2.8% | Elk Horn, IA / 501 |
| 57. | 2.8% | Riceville, IA / 798 |
| 58. | 2.7% | Humeston, IA / 430 |
| 59. | 2.6% | Guttenberg, IA / 1,784 |
| 60. | 2.6% | Knierim, IA / 80 |
| 61. | 2.6% | West Okoboji, IA / 447 |
| 61. | 2.6% | West Chester, IA / 103 |
| 63. | 2.6% | Wayland, IA / 903 |
| 64. | 2.5% | Millersburg, IA / 186 |
| 64. | 2.5% | Logan, IA / 1,571 |
| 66. | 2.4% | Danville, IA / 949 |
| 66. | 2.4% | Keystone, IA / 674 |
| 68. | 2.4% | Onslow, IA / 209 |
| 68. | 2.4% | Moulton, IA / 811 |
| 68. | 2.4% | Wahpeton, IA / 449 |
| 71. | 2.4% | Kellerton, IA / 457 |
| 72. | 2.4% | Palo, IA / 912 |
| 72. | 2.4% | Farley, IA / 1,508 |
| 74. | 2.3% | Hills, IA / 547 |
| 75. | 2.3% | Ralston, IA / 133 |
| 76. | 2.3% | Ocheyedan, IA / 376 |
| 77. | 2.3% | University Heights, IA / 1,111 |
| 78. | 2.2% | Asbury, IA / 3,852 |
| 79. | 2.2% | Peosta, IA / 1,511 |
| 80. | 2.2% | Rock Rapids, IA / 2,537 |
| 81. | 2.2% | Marysville, IA / 101 |
| 82. | 2.2% | Renwick, IA / 255 |
| 83. | 2.1% | Dow City, IA / 687 |
| 84. | 2.1% | Elma, IA / 515 |
| 85. | 2.0% | Strawberry Point, IA / 1,246 |
| 86. | 2.0% | Macksburg, IA / 125 |
| 87. | 2.0% | Arlington, IA / 492 |
| 88. | 2.0% | Garrison, IA / 404 |
| 88. | 2.0% | Elkader, IA / 1,281 |
| 90. | 2.0% | Waukee, IA / 12,305 |
| 91. | 2.0% | Scranton, IA / 526 |
| 91. | 2.0% | Adair, IA / 862 |
| 93. | 2.0% | Arnolds Park, IA / 933 |
| 94. | 1.9% | Central City, IA / 1,250 |
| 94. | 1.9% | Panora, IA / 1,228 |
| 96. | 1.9% | Cleghorn, IA / 187 |
| 97. | 1.9% | Mitchell, IA / 112 |
| 98. | 1.8% | Stanton, IA / 659 |
| 99. | 1.8% | Bloomfield, IA / 2,630 |
| 100. | 1.8% | Prairie City, IA / 1,311 |
| 101. | 1.8% | Persia, IA / 253 |
| 102. | 1.8% | Pulaski, IA / 258 |
| 103. | 1.7% | Lake Panorama, IA / 1,367 |
| 104. | 1.7% | Salix, IA / 318 |
| 105. | 1.7% | Waukon, IA / 3,931 |
| 105. | 1.7% | Minden, IA / 564 |
| 107. | 1.6% | Baxter, IA / 1,153 |
| 108. | 1.6% | Cresco, IA / 3,867 |
| 109. | 1.6% | Meservey, IA / 260 |
| 109. | 1.6% | Lone Rock, IA / 140 |
| 111. | 1.6% | Fredericksburg, IA / 870 |
| 112. | 1.6% | Mondamin, IA / 422 |
| 112. | 1.6% | Brighton, IA / 543 |
| 114. | 1.5% | Delmar, IA / 496 |
| 115. | 1.5% | Spirit Lake, IA / 4,749 |
| 116. | 1.5% | Woden, IA / 233 |
| 117. | 1.5% | Shueyville, IA / 483 |
| 117. | 1.5% | Alleman, IA / 513 |
| 119. | 1.5% | Shelby, IA / 589 |
| 119. | 1.5% | Centralia, IA / 149 |
| 121. | 1.5% | Mapleton, IA / 1,314 |
| 122. | 1.4% | Webb, IA / 207 |
| 122. | 1.4% | Clear Lake, IA / 7,799 |
| 122. | 1.4% | Walford, IA / 1,519 |
| 125. | 1.4% | Wilton, IA / 2,801 |
| 125. | 1.4% | Arthur, IA / 232 |
| 127. | 1.4% | Eldridge, IA / 5,319 |
| 127. | 1.4% | Ollie, IA / 192 |
| 129. | 1.4% | Mediapolis, IA / 1,812 |
| 130. | 1.4% | Calmar, IA / 996 |
| 131. | 1.4% | Montour, IA / 261 |
| 132. | 1.4% | De Witt, IA / 5,286 |
| 133. | 1.3% | Monona, IA / 1,844 |
| 134. | 1.3% | Washington, IA / 7,261 |
| 135. | 1.3% | Bedford, IA / 1,651 |
| 136. | 1.3% | Norway, IA / 624 |
| 137. | 1.3% | Westwood, IA / 91 |
| 137. | 1.3% | North Liberty, IA / 11,889 |
| 139. | 1.3% | Okoboji, IA / 676 |
| 140. | 1.3% | Readlyn, IA / 914 |
| 140. | 1.3% | Jamaica, IA / 269 |
| 142. | 1.3% | Alvord, IA / 160 |
| 142. | 1.3% | Mount Vernon, IA / 4,375 |
| 144. | 1.2% | Volga, IA / 184 |
| 144. | 1.2% | Evansdale, IA / 4,666 |
| 144. | 1.2% | Fayette, IA / 1,481 |
| 147. | 1.2% | Fenton, IA / 265 |
| 147. | 1.2% | Kingsley, IA / 1,317 |
| 149. | 1.2% | Dallas Center, IA / 2,085 |
| 150. | 1.2% | Villisca, IA / 1,354 |
| 151. | 1.2% | Decatur City, IA / 315 |
| 152. | 1.2% | Griswold, IA / 975 |
| 153. | 1.2% | Quasqueton, IA / 484 |
| 154. | 1.2% | Luana, IA / 271 |
| 155. | 1.1% | Livermore, IA / 430 |
| 156. | 1.1% | Polk City, IA / 3,231 |
| 157. | 1.1% | Arcadia, IA / 557 |
| 158. | 1.1% | Manson, IA / 1,648 |
| 159. | 1.1% | Oelwein, IA / 6,433 |
| 159. | 1.1% | Holstein, IA / 1,474 |
| 159. | 1.1% | Lamont, IA / 463 |
| 159. | 1.1% | Martelle, IA / 339 |
| 163. | 1.1% | Nora Springs, IA / 1,557 |
| 163. | 1.1% | Hazleton, IA / 971 |
| 165. | 1.0% | Lone Tree, IA / 1,333 |
| 166. | 1.0% | Akron, IA / 1,512 |
| 166. | 1.0% | Floyd, IA / 358 |
| 168. | 1.0% | Burt, IA / 521 |
| 169. | 1.0% | Lost Nation, IA / 455 |
| 170. | 1.0% | Panama, IA / 227 |
| 171. | 1.0% | Farmersburg, IA / 328 |
| 172. | 1.0% | Melbourne, IA / 838 |
| 172. | 1.0% | Postville, IA / 1,996 |
| 174. | 1.0% | Centerville, IA / 5,593 |
| 174. | 1.0% | Colfax, IA / 2,743 |
| 176. | 1.0% | Moville, IA / 1,743 |
| 176. | 1.0% | Emerson, IA / 393 |
| 176. | 1.0% | Larchwood, IA / 900 |
| 176. | 1.0% | Sibley, IA / 2,804 |
| 176. | 1.0% | New Market, IA / 447 |
| 181. | 0.9% | Newhall, IA / 722 |
| 181. | 0.9% | Stuart, IA / 1,649 |
| 183. | 0.9% | Emmetsburg, IA / 3,898 |
| 184. | 0.9% | Dubuque, IA / 57,504 |
| 184. | 0.9% | Greene, IA / 1,177 |
| 186. | 0.9% | Keota, IA / 1,097 |
| 186. | 0.9% | Tipton, IA / 3,209 |
| 186. | 0.9% | Mcgregor, IA / 853 |
| 186. | 0.9% | Richland, IA / 603 |
| 190. | 0.9% | Callender, IA / 391 |
| 190. | 0.9% | Lu Verne, IA / 255 |
| 190. | 0.9% | Boone, IA / 12,764 |
| 190. | 0.9% | Robins, IA / 2,906 |
| 194. | 0.9% | Columbus City, IA / 243 |
| 194. | 0.9% | Springville, IA / 1,042 |
| 194. | 0.9% | Ames, IA / 57,343 |
| 197. | 0.9% | Osage, IA / 3,597 |
| 198. | 0.9% | Bettendorf, IA / 32,490 |
| 198. | 0.9% | Hiawatha, IA / 6,932 |
| 198. | 0.9% | Mount Pleasant, IA / 8,743 |
| 201. | 0.9% | Windsor Heights, IA / 4,835 |
| 201. | 0.9% | Swisher, IA / 862 |
| 201. | 0.9% | New Hartford, IA / 711 |
| 204. | 0.8% | Iowa City, IA / 66,758 |
| 204. | 0.8% | Malcom, IA / 295 |
| 206. | 0.8% | Maynard, IA / 424 |
| 206. | 0.8% | Bancroft, IA / 669 |
| 208. | 0.8% | Fremont, IA / 855 |
| 209. | 0.8% | Woodbine, IA / 1,603 |
| 209. | 0.8% | Deep River, IA / 312 |
| 209. | 0.8% | State Center, IA / 1,436 |
| 212. | 0.8% | Oakland Acres, IA / 152 |
| 212. | 0.8% | Harcourt, IA / 313 |
| 214. | 0.8% | Corning, IA / 1,674 |
| 215. | 0.8% | Dyersville, IA / 4,070 |
| 215. | 0.8% | Atkins, IA / 1,719 |
| 217. | 0.8% | Onawa, IA / 3,005 |
| 218. | 0.8% | Center Point, IA / 2,428 |
| 218. | 0.8% | Britt, IA / 2,110 |
| 220. | 0.7% | Hawarden, IA / 2,536 |
| 221. | 0.7% | Charles City, IA / 7,667 |
| 221. | 0.7% | Collins, IA / 482 |
| 221. | 0.7% | Spillville, IA / 287 |
| 224. | 0.7% | Ruthven, IA / 790 |
| 224. | 0.7% | Orient, IA / 342 |
| 224. | 0.7% | Conrad, IA / 932 |
| 224. | 0.7% | Cedar Rapids, IA / 125,450 |
| 228. | 0.7% | Murray, IA / 700 |
| 228. | 0.7% | Anamosa, IA / 5,634 |
| 230. | 0.7% | Bertram, IA / 314 |
| 230. | 0.7% | Clarinda, IA / 5,566 |
| 230. | 0.7% | Ogden, IA / 2,410 |
| 230. | 0.7% | Princeton, IA / 966 |
| 234. | 0.7% | Eddyville, IA / 898 |
| 234. | 0.7% | Marcus, IA / 979 |
| 234. | 0.7% | New Virginia, IA / 523 |
| 237. | 0.7% | West Burlington, IA / 2,977 |
| 237. | 0.7% | Harpers Ferry, IA / 345 |
| 237. | 0.7% | Wesley, IA / 352 |
| 237. | 0.7% | Forest City, IA / 4,160 |
| 241. | 0.7% | Birmingham, IA / 425 |
| 241. | 0.7% | Gowrie, IA / 1,087 |
| 241. | 0.7% | Terril, IA / 362 |
| 241. | 0.7% | Danbury, IA / 380 |
| 241. | 0.7% | Fairfield, IA / 9,451 |
| 246. | 0.6% | Reinbeck, IA / 1,963 |
| 246. | 0.6% | Coggon, IA / 693 |
| 246. | 0.6% | Haverhill, IA / 184 |
| 246. | 0.6% | Elkhart, IA / 559 |
| 246. | 0.6% | Underwood, IA / 893 |
| 251. | 0.6% | Miles, IA / 369 |
| 251. | 0.6% | Webster City, IA / 8,125 |
| 251. | 0.6% | Lake Park, IA / 1,115 |
| 251. | 0.6% | Cherokee, IA / 5,205 |
| 251. | 0.6% | Clive, IA / 14,950 |
| 256. | 0.6% | Goldfield, IA / 583 |
| 256. | 0.6% | Fairfax, IA / 1,641 |
| 258. | 0.6% | Sigourney, IA / 2,101 |
| 258. | 0.6% | Fertile, IA / 381 |
| 258. | 0.6% | Sac City, IA / 2,294 |
| 258. | 0.6% | Le Grand, IA / 825 |
| 262. | 0.6% | Ute, IA / 377 |
| 262. | 0.6% | Letts, IA / 420 |
| 262. | 0.6% | Davenport, IA / 98,325 |
| 262. | 0.6% | Barnum, IA / 187 |
| 262. | 0.6% | Grinnell, IA / 9,265 |
| 262. | 0.6% | Eldora, IA / 2,774 |
| 268. | 0.6% | Dexter, IA / 601 |
| 268. | 0.6% | Shell Rock, IA / 1,335 |
| 268. | 0.6% | Van Horne, IA / 782 |
| 271. | 0.6% | Hartford, IA / 627 |
| 271. | 0.6% | Galva, IA / 403 |
| 273. | 0.6% | Irwin, IA / 405 |
| 274. | 0.6% | Blairsburg, IA / 189 |
| 274. | 0.6% | Audubon, IA / 2,177 |
| 276. | 0.6% | Belmond, IA / 2,287 |
| 276. | 0.6% | Carroll, IA / 10,047 |
| 278. | 0.5% | Waverly, IA / 9,754 |
| 279. | 0.5% | Vinton, IA / 5,262 |
| 279. | 0.5% | Cedar Falls, IA / 38,178 |
| 279. | 0.5% | Thompson, IA / 620 |
| 279. | 0.5% | Fort Atkinson, IA / 380 |
| 283. | 0.5% | Riverside, IA / 891 |
| 283. | 0.5% | Le Claire, IA / 3,561 |
| 285. | 0.5% | Wellsburg, IA / 655 |
| 285. | 0.5% | Rockwell, IA / 1,173 |
| 285. | 0.5% | Marion, IA / 33,293 |
| 288. | 0.5% | Manly, IA / 1,181 |
| 288. | 0.5% | Coon Rapids, IA / 1,181 |
| 288. | 0.5% | Walcott, IA / 1,570 |
| 291. | 0.5% | Indianola, IA / 14,546 |
| 291. | 0.5% | Williamsburg, IA / 3,015 |
| 293. | 0.5% | Cascade, IA / 2,272 |
| 294. | 0.5% | Nashua, IA / 1,646 |
| 294. | 0.5% | Mystic, IA / 527 |
| 294. | 0.5% | Runnells, IA / 555 |
| 297. | 0.5% | Lenox, IA / 1,315 |
| 297. | 0.5% | De Soto, IA / 929 |
| 297. | 0.5% | Orleans, IA / 708 |
| 297. | 0.5% | West Des Moines, IA / 54,731 |
| 297. | 0.5% | Mason City, IA / 28,125 |
| 302. | 0.5% | Hubbard, IA / 757 |
| 302. | 0.5% | Sumner, IA / 2,031 |
| 302. | 0.5% | Council Bluffs, IA / 61,340 |
| 305. | 0.4% | Pleasant Hill, IA / 8,100 |
| 306. | 0.4% | Denver, IA / 1,827 |
| 306. | 0.4% | Portsmouth, IA / 259 |
| 308. | 0.4% | Agency, IA / 669 |
| 308. | 0.4% | Creston, IA / 7,738 |
| 308. | 0.4% | Norwalk, IA / 8,622 |
| 308. | 0.4% | Swea City, IA / 648 |
| 308. | 0.4% | Ossian, IA / 802 |
| 313. | 0.4% | Waterloo, IA / 67,893 |
| 313. | 0.4% | Orange City, IA / 5,967 |
| 315. | 0.4% | Garnavillo, IA / 822 |
| 315. | 0.4% | Dike, IA / 1,095 |
| 315. | 0.4% | Algona, IA / 5,569 |
| 318. | 0.4% | Decorah, IA / 8,115 |
| 318. | 0.4% | Oakland, IA / 1,626 |
| 318. | 0.4% | University Park, IA / 603 |
| 321. | 0.4% | Ankeny, IA / 42,211 |
| 321. | 0.4% | Osceola, IA / 4,878 |
| 321. | 0.4% | Hartley, IA / 1,796 |
| 324. | 0.4% | Epworth, IA / 1,809 |
| 324. | 0.4% | Des Moines, IA / 202,095 |
| 324. | 0.4% | Manilla, IA / 943 |
| 324. | 0.4% | Inwood, IA / 860 |
| 324. | 0.4% | Fort Dodge, IA / 25,323 |
| 329. | 0.3% | Brooklyn, IA / 1,322 |
| 329. | 0.3% | New Hampton, IA / 3,585 |
| 329. | 0.3% | Gladbrook, IA / 984 |
| 332. | 0.3% | Burlington, IA / 25,604 |
| 332. | 0.3% | Altoona, IA / 13,757 |
| 332. | 0.3% | West Branch, IA / 2,468 |
| 335. | 0.3% | Marshalltown, IA / 27,096 |
| 335. | 0.3% | Gilbert, IA / 1,054 |
| 335. | 0.3% | Carson, IA / 731 |
| 335. | 0.3% | Oxford, IA / 737 |
| 335. | 0.3% | Traer, IA / 1,681 |
| 340. | 0.3% | Madrid, IA / 2,505 |
| 340. | 0.3% | Alton, IA / 1,077 |
| 340. | 0.3% | Jefferson, IA / 4,360 |
| 340. | 0.3% | Sioux City, IA / 82,106 |
| 340. | 0.3% | Menlo, IA / 412 |
| 340. | 0.3% | Bellevue, IA / 2,289 |
| 346. | 0.3% | Correctionville, IA / 863 |
| 346. | 0.3% | Dysart, IA / 1,520 |
| 346. | 0.3% | Storm Lake, IA / 10,357 |
| 346. | 0.3% | Atlantic, IA / 7,078 |
| 350. | 0.3% | Sergeant Bluff, IA / 4,031 |
| 350. | 0.3% | Blue Grass, IA / 1,382 |
| 350. | 0.3% | Avoca, IA / 1,555 |
| 350. | 0.3% | Woodward, IA / 1,165 |
| 350. | 0.3% | Spencer, IA / 11,193 |
| 350. | 0.3% | Merrill, IA / 803 |
| 350. | 0.3% | Fruitland, IA / 1,349 |
| 350. | 0.3% | Ashton, IA / 397 |
| 358. | 0.3% | Williams, IA / 448 |
| 358. | 0.3% | Shellsburg, IA / 878 |
| 360. | 0.3% | Clinton, IA / 27,016 |
| 361. | 0.3% | Winfield, IA / 1,433 |
| 361. | 0.3% | Odebolt, IA / 1,291 |
| 361. | 0.3% | West Liberty, IA / 3,659 |
| 364. | 0.2% | Independence, IA / 5,987 |
| 365. | 0.2% | Alta, IA / 1,917 |
| 365. | 0.2% | Milford, IA / 2,844 |
| 365. | 0.2% | Chariton, IA / 4,429 |
| 368. | 0.2% | Ida Grove, IA / 2,158 |
| 368. | 0.2% | Huxley, IA / 3,132 |
| 370. | 0.2% | Keokuk, IA / 10,802 |
| 370. | 0.2% | Pocahontas, IA / 1,698 |
| 370. | 0.2% | Iowa Falls, IA / 5,195 |
| 370. | 0.2% | Lamoni, IA / 2,501 |
| 374. | 0.2% | Saint Charles, IA / 733 |
| 375. | 0.2% | Durant, IA / 1,907 |
| 375. | 0.2% | Humboldt, IA / 4,648 |
| 375. | 0.2% | Red Oak, IA / 5,814 |
| 375. | 0.2% | Solon, IA / 1,924 |
| 379. | 0.2% | Remsen, IA / 2,018 |
| 379. | 0.2% | Laurens, IA / 1,402 |
| 381. | 0.2% | Grimes, IA / 7,653 |
| 381. | 0.2% | Mitchellville, IA / 2,529 |
| 381. | 0.2% | Maquoketa, IA / 6,135 |
| 381. | 0.2% | Newton, IA / 15,371 |
| 381. | 0.2% | Hull, IA / 1,955 |
| 381. | 0.2% | Oskaloosa, IA / 11,393 |
| 381. | 0.2% | Urbana, IA / 1,409 |
| 388. | 0.2% | Guthrie Center, IA / 1,562 |
| 388. | 0.2% | Shenandoah, IA / 5,222 |
| 390. | 0.1% | Coralville, IA / 18,186 |
| 391. | 0.1% | Fort Madison, IA / 11,096 |
| 392. | 0.1% | Ottumwa, IA / 24,889 |
| 393. | 0.1% | Le Mars, IA / 9,719 |
| 394. | 0.1% | Urbandale, IA / 37,503 |
| 395. | 0.1% | Muscatine, IA / 22,819 |
| 395. | 0.1% | Johnston, IA / 15,723 |
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.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.