Local Data Search
A total of 392 results found. Show Results on Map.
| Rank | $200K or More Household Income Percentage ▼ | City / Population |
| 1. | 22.2% | Owasa, IA / 11 |
| 2. | 14.3% | Galt, IA / 14 |
| 3. | 13.4% | Clive, IA / 14,950 |
| 4. | 13.2% | West Okoboji, IA / 447 |
| 5. | 12.2% | Robins, IA / 2,906 |
| 6. | 11.8% | Jackson Junction, IA / 98 |
| 7. | 11.5% | Cumming, IA / 527 |
| 8. | 11.3% | Johnston, IA / 15,723 |
| 9. | 11.0% | Orleans, IA / 708 |
| 10. | 10.7% | Superior, IA / 168 |
| 11. | 10.7% | Lakeside, IA / 786 |
| 12. | 8.1% | Okoboji, IA / 676 |
| 13. | 8.0% | University Heights, IA / 1,111 |
| 14. | 8.0% | Clayton, IA / 37 |
| 15. | 7.7% | Wahpeton, IA / 449 |
| 16. | 7.7% | Norwalk, IA / 8,622 |
| 17. | 7.7% | Saylorville, IA / 3,105 |
| 18. | 7.2% | Bettendorf, IA / 32,490 |
| 19. | 7.1% | Westwood, IA / 91 |
| 20. | 7.0% | Urbandale, IA / 37,503 |
| 21. | 6.9% | Eldridge, IA / 5,319 |
| 22. | 6.7% | Twin Lakes, IA / 326 |
| 23. | 6.5% | Princeton, IA / 966 |
| 24. | 6.3% | Lake Panorama, IA / 1,367 |
| 25. | 6.0% | Harris, IA / 182 |
| 26. | 6.0% | Centralia, IA / 149 |
| 27. | 5.9% | Waukee, IA / 12,305 |
| 28. | 5.8% | West Des Moines, IA / 54,731 |
| 29. | 5.6% | Gruver, IA / 73 |
| 30. | 5.5% | Hudson, IA / 2,334 |
| 31. | 5.4% | Shannon City, IA / 97 |
| 32. | 5.2% | Ringsted, IA / 477 |
| 33. | 5.1% | Odebolt, IA / 1,291 |
| 34. | 5.1% | Alleman, IA / 513 |
| 34. | 5.1% | Coralville, IA / 18,186 |
| 36. | 5.1% | Shueyville, IA / 483 |
| 37. | 5.0% | Sheldon, IA / 5,046 |
| 38. | 4.9% | Bristow, IA / 163 |
| 38. | 4.9% | Asbury, IA / 3,852 |
| 40. | 4.8% | Bernard, IA / 135 |
| 41. | 4.7% | Clemons, IA / 99 |
| 42. | 4.6% | Long Grove, IA / 948 |
| 43. | 4.4% | Minden, IA / 564 |
| 44. | 4.4% | Keomah Village, IA / 105 |
| 45. | 4.3% | Hinton, IA / 741 |
| 46. | 4.2% | Milton, IA / 464 |
| 47. | 4.2% | Marcus, IA / 979 |
| 48. | 4.1% | Polk City, IA / 3,231 |
| 49. | 4.1% | Middle Amana, IA / 1,075 |
| 50. | 4.1% | Jewell Junction, IA / 1,006 |
| 51. | 4.0% | Sioux Center, IA / 6,916 |
| 52. | 4.0% | Mitchell, IA / 112 |
| 53. | 3.9% | Blencoe, IA / 237 |
| 54. | 3.9% | Alexander, IA / 172 |
| 55. | 3.8% | Wellsburg, IA / 655 |
| 56. | 3.7% | Greene, IA / 1,177 |
| 57. | 3.6% | Prairieburg, IA / 205 |
| 58. | 3.6% | Springbrook, IA / 134 |
| 59. | 3.5% | Story City, IA / 3,393 |
| 60. | 3.5% | Alta, IA / 1,917 |
| 61. | 3.4% | Sutherland, IA / 619 |
| 62. | 3.4% | Tabor, IA / 1,303 |
| 63. | 3.4% | Holy Cross, IA / 357 |
| 64. | 3.3% | Gravity, IA / 138 |
| 64. | 3.3% | Paton, IA / 215 |
| 66. | 3.3% | Iowa City, IA / 66,758 |
| 67. | 3.3% | Oakland Acres, IA / 152 |
| 68. | 3.2% | Bridgewater, IA / 143 |
| 69. | 3.2% | Elliott, IA / 310 |
| 70. | 3.2% | Huxley, IA / 3,132 |
| 70. | 3.2% | Center Junction, IA / 159 |
| 72. | 3.2% | Stuart, IA / 1,649 |
| 73. | 3.1% | Treynor, IA / 1,041 |
| 74. | 3.1% | Pella, IA / 10,359 |
| 74. | 3.1% | Steamboat Rock, IA / 265 |
| 74. | 3.1% | Grand Junction, IA / 777 |
| 77. | 3.0% | Plainfield, IA / 502 |
| 77. | 3.0% | Masonville, IA / 183 |
| 79. | 3.0% | Bertram, IA / 314 |
| 80. | 2.9% | Altoona, IA / 13,757 |
| 81. | 2.9% | Swisher, IA / 862 |
| 81. | 2.9% | Graettinger, IA / 1,027 |
| 83. | 2.9% | Atkins, IA / 1,719 |
| 84. | 2.9% | Conrad, IA / 932 |
| 85. | 2.9% | Coulter, IA / 350 |
| 86. | 2.8% | Riverdale, IA / 524 |
| 86. | 2.8% | Moorhead, IA / 196 |
| 88. | 2.8% | Ankeny, IA / 42,211 |
| 89. | 2.8% | Audubon, IA / 2,177 |
| 90. | 2.7% | Searsboro, IA / 156 |
| 91. | 2.7% | Webster City, IA / 8,125 |
| 92. | 2.7% | Clarinda, IA / 5,566 |
| 93. | 2.7% | Houghton, IA / 114 |
| 93. | 2.7% | Ogden, IA / 2,410 |
| 95. | 2.6% | Alton, IA / 1,077 |
| 96. | 2.6% | Cedar Rapids, IA / 125,450 |
| 97. | 2.6% | Lone Rock, IA / 140 |
| 98. | 2.6% | Pleasantville, IA / 1,605 |
| 99. | 2.6% | Le Claire, IA / 3,561 |
| 99. | 2.6% | Lake View, IA / 1,301 |
| 101. | 2.5% | Frederika, IA / 154 |
| 102. | 2.5% | Marion, IA / 33,293 |
| 103. | 2.5% | Drakesville, IA / 190 |
| 104. | 2.5% | Fertile, IA / 381 |
| 104. | 2.5% | Grimes, IA / 7,653 |
| 106. | 2.5% | Scranton, IA / 526 |
| 107. | 2.5% | Wall Lake, IA / 805 |
| 108. | 2.4% | Carter Lake, IA / 3,676 |
| 109. | 2.4% | Ventura, IA / 686 |
| 110. | 2.4% | Mount Pleasant, IA / 8,743 |
| 111. | 2.4% | Whittemore, IA / 624 |
| 111. | 2.4% | Ames, IA / 57,343 |
| 111. | 2.4% | Milo, IA / 831 |
| 114. | 2.4% | Postville, IA / 1,996 |
| 115. | 2.4% | Independence, IA / 5,987 |
| 115. | 2.4% | Dallas Center, IA / 2,085 |
| 117. | 2.3% | Underwood, IA / 893 |
| 118. | 2.3% | Denison, IA / 8,077 |
| 119. | 2.3% | Lake City, IA / 1,682 |
| 120. | 2.3% | Cleghorn, IA / 187 |
| 120. | 2.3% | Olds, IA / 215 |
| 120. | 2.3% | Malvern, IA / 1,158 |
| 123. | 2.2% | Cedar Falls, IA / 38,178 |
| 123. | 2.2% | Tiffin, IA / 1,986 |
| 125. | 2.2% | Bondurant, IA / 3,486 |
| 125. | 2.2% | Earlham, IA / 1,845 |
| 127. | 2.2% | Fairfax, IA / 1,641 |
| 127. | 2.2% | Aplington, IA / 1,020 |
| 129. | 2.2% | Indianola, IA / 14,546 |
| 129. | 2.2% | Woodbine, IA / 1,603 |
| 129. | 2.2% | Dubuque, IA / 57,504 |
| 132. | 2.1% | Scarville, IA / 112 |
| 132. | 2.1% | Goose Lake, IA / 237 |
| 134. | 2.1% | Dike, IA / 1,095 |
| 135. | 2.1% | Washington, IA / 7,261 |
| 136. | 2.1% | Emmetsburg, IA / 3,898 |
| 136. | 2.1% | Le Mars, IA / 9,719 |
| 136. | 2.1% | Decorah, IA / 8,115 |
| 139. | 2.1% | Exira, IA / 810 |
| 139. | 2.1% | Grinnell, IA / 9,265 |
| 141. | 2.0% | Clarion, IA / 2,861 |
| 142. | 2.0% | Armstrong, IA / 997 |
| 143. | 2.0% | Quasqueton, IA / 484 |
| 143. | 2.0% | Silver City, IA / 211 |
| 145. | 2.0% | Calamus, IA / 380 |
| 145. | 2.0% | Mason City, IA / 28,125 |
| 147. | 1.9% | Centerville, IA / 5,593 |
| 147. | 1.9% | Westside, IA / 342 |
| 149. | 1.9% | Sanborn, IA / 1,302 |
| 150. | 1.9% | Macksburg, IA / 125 |
| 151. | 1.9% | Diagonal, IA / 294 |
| 151. | 1.9% | Grundy Center, IA / 2,673 |
| 151. | 1.9% | Keosauqua, IA / 1,184 |
| 151. | 1.9% | Cresco, IA / 3,867 |
| 155. | 1.9% | Mediapolis, IA / 1,812 |
| 156. | 1.9% | Des Moines, IA / 202,095 |
| 156. | 1.9% | Sheffield, IA / 1,277 |
| 158. | 1.9% | Garnavillo, IA / 822 |
| 159. | 1.8% | Anita, IA / 1,049 |
| 159. | 1.8% | Oakland, IA / 1,626 |
| 161. | 1.8% | Ashton, IA / 397 |
| 161. | 1.8% | Humboldt, IA / 4,648 |
| 161. | 1.8% | Danbury, IA / 380 |
| 164. | 1.8% | Defiance, IA / 270 |
| 165. | 1.8% | Low Moor, IA / 226 |
| 165. | 1.8% | Victor, IA / 801 |
| 167. | 1.8% | Marquette, IA / 333 |
| 168. | 1.8% | Minburn, IA / 267 |
| 168. | 1.8% | Davenport, IA / 98,325 |
| 170. | 1.8% | Carroll, IA / 10,047 |
| 171. | 1.8% | Lisbon, IA / 1,885 |
| 172. | 1.7% | Harpers Ferry, IA / 345 |
| 172. | 1.7% | New Hampton, IA / 3,585 |
| 174. | 1.7% | Guttenberg, IA / 1,784 |
| 175. | 1.7% | Coon Rapids, IA / 1,181 |
| 176. | 1.7% | Shelby, IA / 589 |
| 176. | 1.7% | Wilton, IA / 2,801 |
| 178. | 1.7% | Rockwell City, IA / 2,357 |
| 179. | 1.6% | Brooklyn, IA / 1,322 |
| 179. | 1.6% | Mondamin, IA / 422 |
| 181. | 1.6% | Slater, IA / 1,583 |
| 182. | 1.6% | Muscatine, IA / 22,819 |
| 183. | 1.6% | Modale, IA / 342 |
| 184. | 1.6% | Marble Rock, IA / 250 |
| 184. | 1.6% | Pleasant Hill, IA / 8,100 |
| 186. | 1.6% | Preston, IA / 996 |
| 187. | 1.6% | Bayard, IA / 371 |
| 187. | 1.6% | Walcott, IA / 1,570 |
| 189. | 1.6% | Collins, IA / 482 |
| 190. | 1.5% | Blue Grass, IA / 1,382 |
| 190. | 1.5% | Hartford, IA / 627 |
| 190. | 1.5% | Delmar, IA / 496 |
| 190. | 1.5% | Manson, IA / 1,648 |
| 194. | 1.5% | Clinton, IA / 27,016 |
| 194. | 1.5% | Clear Lake, IA / 7,799 |
| 194. | 1.5% | Waterloo, IA / 67,893 |
| 197. | 1.5% | Logan, IA / 1,571 |
| 197. | 1.5% | Garwin, IA / 568 |
| 197. | 1.5% | Gilman, IA / 642 |
| 200. | 1.5% | Ruthven, IA / 790 |
| 200. | 1.5% | Fairfield, IA / 9,451 |
| 200. | 1.5% | Ely, IA / 1,624 |
| 203. | 1.5% | Sigourney, IA / 2,101 |
| 204. | 1.5% | Ossian, IA / 802 |
| 204. | 1.5% | Keystone, IA / 674 |
| 204. | 1.5% | Strawberry Point, IA / 1,246 |
| 207. | 1.5% | Inwood, IA / 860 |
| 208. | 1.5% | Fayette, IA / 1,481 |
| 208. | 1.5% | Harcourt, IA / 313 |
| 208. | 1.5% | Williamsburg, IA / 3,015 |
| 211. | 1.4% | Camanche, IA / 4,403 |
| 211. | 1.4% | Estherville, IA / 6,388 |
| 213. | 1.4% | Rock Rapids, IA / 2,537 |
| 214. | 1.4% | Salix, IA / 318 |
| 214. | 1.4% | Durant, IA / 1,907 |
| 216. | 1.4% | Saint Charles, IA / 733 |
| 216. | 1.4% | Rowan, IA / 158 |
| 216. | 1.4% | Alburnett, IA / 736 |
| 216. | 1.4% | Waterville, IA / 192 |
| 220. | 1.4% | Keota, IA / 1,097 |
| 220. | 1.4% | Floyd, IA / 358 |
| 222. | 1.4% | Denver, IA / 1,827 |
| 222. | 1.4% | Sioux City, IA / 82,106 |
| 224. | 1.4% | Van Meter, IA / 1,199 |
| 225. | 1.4% | Hubbard, IA / 757 |
| 226. | 1.4% | North Liberty, IA / 11,889 |
| 227. | 1.4% | Oelwein, IA / 6,433 |
| 228. | 1.3% | Boyden, IA / 729 |
| 228. | 1.3% | Breda, IA / 417 |
| 230. | 1.3% | Farley, IA / 1,508 |
| 231. | 1.3% | Doon, IA / 483 |
| 231. | 1.3% | Toledo, IA / 2,595 |
| 231. | 1.3% | Marshalltown, IA / 27,096 |
| 234. | 1.3% | Leon, IA / 2,105 |
| 234. | 1.3% | Solon, IA / 1,924 |
| 234. | 1.3% | Boone, IA / 12,764 |
| 237. | 1.3% | Algona, IA / 5,569 |
| 237. | 1.3% | Gilbert, IA / 1,054 |
| 239. | 1.3% | Elma, IA / 515 |
| 239. | 1.3% | Harlan, IA / 5,140 |
| 241. | 1.3% | Templeton, IA / 370 |
| 241. | 1.3% | Worthington, IA / 370 |
| 243. | 1.3% | Mount Ayr, IA / 1,659 |
| 243. | 1.3% | Peterson, IA / 375 |
| 245. | 1.3% | Granville, IA / 420 |
| 245. | 1.3% | Gilmore City, IA / 495 |
| 247. | 1.2% | Newton, IA / 15,371 |
| 247. | 1.2% | Donnellson, IA / 1,054 |
| 247. | 1.2% | Spencer, IA / 11,193 |
| 247. | 1.2% | Norway, IA / 624 |
| 251. | 1.2% | Moville, IA / 1,743 |
| 251. | 1.2% | Arnolds Park, IA / 933 |
| 253. | 1.2% | Sidney, IA / 1,008 |
| 254. | 1.2% | Shenandoah, IA / 5,222 |
| 255. | 1.2% | Larchwood, IA / 900 |
| 255. | 1.2% | La Porte City, IA / 2,637 |
| 255. | 1.2% | Lone Tree, IA / 1,333 |
| 255. | 1.2% | Neola, IA / 810 |
| 255. | 1.2% | Remsen, IA / 2,018 |
| 255. | 1.2% | Villisca, IA / 1,354 |
| 261. | 1.2% | Fort Madison, IA / 11,096 |
| 261. | 1.2% | Dexter, IA / 601 |
| 261. | 1.2% | Rolfe, IA / 558 |
| 264. | 1.2% | Hancock, IA / 179 |
| 264. | 1.2% | Clarksville, IA / 1,558 |
| 264. | 1.2% | Churdan, IA / 372 |
| 267. | 1.1% | Avoca, IA / 1,555 |
| 267. | 1.1% | Atlantic, IA / 7,078 |
| 269. | 1.1% | Prairie City, IA / 1,311 |
| 269. | 1.1% | Winfield, IA / 1,433 |
| 269. | 1.1% | Clearfield, IA / 400 |
| 269. | 1.1% | Park View, IA / 2,428 |
| 273. | 1.1% | Anthon, IA / 613 |
| 274. | 1.1% | Lawler, IA / 368 |
| 274. | 1.1% | Bloomfield, IA / 2,630 |
| 274. | 1.1% | Wyoming, IA / 548 |
| 277. | 1.1% | Earling, IA / 687 |
| 278. | 1.1% | Forest City, IA / 4,160 |
| 279. | 1.1% | Farragut, IA / 650 |
| 279. | 1.1% | Windsor Heights, IA / 4,835 |
| 279. | 1.1% | Oskaloosa, IA / 11,393 |
| 282. | 1.1% | Paullina, IA / 1,081 |
| 283. | 1.0% | Clarence, IA / 896 |
| 283. | 1.0% | Adel, IA / 3,640 |
| 283. | 1.0% | Hedrick, IA / 958 |
| 286. | 1.0% | Pocahontas, IA / 1,698 |
| 286. | 1.0% | Thornton, IA / 414 |
| 288. | 1.0% | Ottumwa, IA / 24,889 |
| 288. | 1.0% | Anamosa, IA / 5,634 |
| 288. | 1.0% | Hartley, IA / 1,796 |
| 291. | 1.0% | Mapleton, IA / 1,314 |
| 292. | 1.0% | Hospers, IA / 740 |
| 292. | 1.0% | Traer, IA / 1,681 |
| 294. | 1.0% | Osceola, IA / 4,878 |
| 294. | 1.0% | Maquoketa, IA / 6,135 |
| 296. | 1.0% | New Market, IA / 447 |
| 296. | 1.0% | Klemme, IA / 872 |
| 298. | 0.9% | Belmond, IA / 2,287 |
| 298. | 0.9% | Waverly, IA / 9,754 |
| 300. | 0.9% | Melbourne, IA / 838 |
| 300. | 0.9% | Holland, IA / 293 |
| 302. | 0.9% | Knoxville, IA / 7,459 |
| 303. | 0.9% | Lawton, IA / 937 |
| 303. | 0.9% | Moravia, IA / 796 |
| 303. | 0.9% | Sioux Rapids, IA / 812 |
| 306. | 0.9% | De Witt, IA / 5,286 |
| 306. | 0.9% | Hull, IA / 1,955 |
| 308. | 0.9% | Ackley, IA / 1,550 |
| 308. | 0.9% | Greenfield, IA / 1,973 |
| 310. | 0.9% | Orange City, IA / 5,967 |
| 310. | 0.9% | Burlington, IA / 25,604 |
| 310. | 0.9% | Reinbeck, IA / 1,963 |
| 313. | 0.9% | Le Grand, IA / 825 |
| 314. | 0.9% | Eldora, IA / 2,774 |
| 314. | 0.9% | Parkersburg, IA / 1,947 |
| 316. | 0.8% | Keokuk, IA / 10,802 |
| 316. | 0.8% | Hiawatha, IA / 6,932 |
| 318. | 0.8% | Manilla, IA / 943 |
| 318. | 0.8% | Correctionville, IA / 863 |
| 318. | 0.8% | Alden, IA / 867 |
| 321. | 0.8% | Redfield, IA / 934 |
| 321. | 0.8% | Carlisle, IA / 3,775 |
| 321. | 0.8% | Panora, IA / 1,228 |
| 324. | 0.8% | Council Bluffs, IA / 61,340 |
| 325. | 0.8% | Kellogg, IA / 601 |
| 325. | 0.8% | Maxwell, IA / 1,040 |
| 327. | 0.8% | Schleswig, IA / 842 |
| 327. | 0.8% | Hawarden, IA / 2,536 |
| 329. | 0.8% | Holstein, IA / 1,474 |
| 330. | 0.8% | Center Point, IA / 2,428 |
| 330. | 0.8% | Shellsburg, IA / 878 |
| 330. | 0.8% | Wayland, IA / 903 |
| 333. | 0.8% | Adair, IA / 862 |
| 333. | 0.8% | North English, IA / 978 |
| 335. | 0.8% | Edgewood, IA / 925 |
| 336. | 0.7% | Eagle Grove, IA / 3,601 |
| 337. | 0.7% | Columbus Junction, IA / 2,024 |
| 337. | 0.7% | Morning Sun, IA / 1,256 |
| 339. | 0.7% | Manning, IA / 1,713 |
| 339. | 0.7% | Guthrie Center, IA / 1,562 |
| 339. | 0.7% | Murray, IA / 700 |
| 342. | 0.7% | Corning, IA / 1,674 |
| 343. | 0.7% | Nevada, IA / 6,753 |
| 344. | 0.7% | Sloan, IA / 1,046 |
| 345. | 0.7% | West Bend, IA / 669 |
| 345. | 0.7% | Elk Run Heights, IA / 1,029 |
| 345. | 0.7% | Buffalo, IA / 1,244 |
| 348. | 0.7% | Gowrie, IA / 1,087 |
| 348. | 0.7% | Fairbank, IA / 1,236 |
| 350. | 0.7% | Elkader, IA / 1,281 |
| 351. | 0.6% | Cherokee, IA / 5,205 |
| 351. | 0.6% | Palo, IA / 912 |
| 351. | 0.6% | Monona, IA / 1,844 |
| 351. | 0.6% | Walford, IA / 1,519 |
| 355. | 0.6% | Fort Dodge, IA / 25,323 |
| 355. | 0.6% | Libertyville, IA / 396 |
| 355. | 0.6% | Earlville, IA / 747 |
| 355. | 0.6% | West Burlington, IA / 2,977 |
| 359. | 0.6% | Bode, IA / 400 |
| 360. | 0.6% | Bedford, IA / 1,651 |
| 360. | 0.6% | Ida Grove, IA / 2,158 |
| 362. | 0.6% | Corydon, IA / 1,410 |
| 362. | 0.6% | Spirit Lake, IA / 4,749 |
| 362. | 0.6% | Madrid, IA / 2,505 |
| 365. | 0.6% | Milford, IA / 2,844 |
| 365. | 0.6% | Monticello, IA / 3,785 |
| 367. | 0.6% | Marengo, IA / 2,546 |
| 367. | 0.6% | Osage, IA / 3,597 |
| 369. | 0.6% | Hamburg, IA / 1,156 |
| 369. | 0.6% | Jefferson, IA / 4,360 |
| 369. | 0.6% | Readlyn, IA / 914 |
| 372. | 0.5% | Sully, IA / 1,007 |
| 373. | 0.5% | Lamoni, IA / 2,501 |
| 374. | 0.5% | Glenwood, IA / 5,354 |
| 374. | 0.5% | Kingsley, IA / 1,317 |
| 376. | 0.5% | West Liberty, IA / 3,659 |
| 377. | 0.5% | Rockford, IA / 1,054 |
| 377. | 0.5% | Sac City, IA / 2,294 |
| 377. | 0.5% | Storm Lake, IA / 10,357 |
| 380. | 0.5% | Sibley, IA / 2,804 |
| 380. | 0.5% | Missouri Valley, IA / 2,886 |
| 380. | 0.5% | Dysart, IA / 1,520 |
| 383. | 0.5% | Wapello, IA / 2,343 |
| 384. | 0.5% | Charles City, IA / 7,667 |
| 385. | 0.4% | Nashua, IA / 1,646 |
| 386. | 0.4% | Lake Park, IA / 1,115 |
| 387. | 0.4% | Urbana, IA / 1,409 |
| 388. | 0.4% | Central City, IA / 1,250 |
| 389. | 0.3% | Perry, IA / 7,706 |
| 390. | 0.3% | Iowa Falls, IA / 5,195 |
| 391. | 0.3% | Chariton, IA / 4,429 |
| 392. | 0.2% | Creston, IA / 7,738 |
Please note that we only rank locations with '$200K or More Household Income Percentage' data. The rank above might not be a complete list. Locations without '$200K or More Household Income 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.