Local Data Search
A total of 374 results found. Show Results on Map.
| Rank | Median Household Income ▼ | City / Population |
| 1. | $250,001 | Chevy Chase Village, MD / 2,010 |
| 1. | $250,001 | Chevy Chase Section Five, MD / 735 |
| 3. | $243,125 | Somerset, MD / 1,367 |
| 4. | $213,750 | Brookeville, MD / 165 |
| 5. | $204,911 | Chevy Chase, MD / 2,795 |
| 6. | $201,500 | Chevy Chase Section Three, MD / 711 |
| 7. | $200,346 | Travilah, MD / 12,063 |
| 8. | $200,000 | Chevy Chase View, MD / 1,010 |
| 9. | $191,649 | South Run, VA / 6,729 |
| 10. | $189,545 | Great Falls, VA / 15,925 |
| 11. | $180,638 | Crosspointe, VA / 5,624 |
| 12. | $180,054 | Cabin John, MD / 1,963 |
| 13. | $179,545 | Brookmont, MD / 3,626 |
| 14. | $178,958 | North Chevy Chase, MD / 560 |
| 15. | $173,910 | Wolf Trap, VA / 16,680 |
| 16. | $173,542 | Martins Additions, MD / 904 |
| 17. | $170,735 | Fulton, MD / 1,966 |
| 18. | $164,888 | Mclean, VA / 46,132 |
| 19. | $163,786 | Fairwood, MD / 4,650 |
| 20. | $162,766 | Potomac, MD / 44,785 |
| 21. | $162,083 | Dunn Loring, VA / 9,249 |
| 22. | $156,847 | Woodmore, MD / 3,501 |
| 23. | $156,471 | Franklin Farm, VA / 19,531 |
| 24. | $152,188 | Clifton, VA / 277 |
| 25. | $147,721 | Independent Hill, VA / 7,313 |
| 26. | $146,781 | Mantua, VA / 7,514 |
| 27. | $145,859 | Hughesville, MD / 1,739 |
| 28. | $143,950 | Fort Hunt, VA / 15,944 |
| 29. | $143,827 | Wakefield, VA / 11,553 |
| 30. | $143,750 | Fairfax Station, VA / 11,708 |
| 31. | $143,500 | Chevy Chase CDP, MD / 9,741 |
| 32. | $140,625 | Glen Echo, MD / 249 |
| 33. | $139,463 | North Potomac, MD / 25,025 |
| 34. | $133,889 | Friendship, MD / 412 |
| 35. | $133,480 | Bethesda, MD / 58,537 |
| 36. | $131,802 | South Kensington, MD / 8,149 |
| 37. | $131,786 | Huntingtown, MD / 3,022 |
| 38. | $131,106 | Brock Hall, MD / 8,153 |
| 39. | $129,625 | University Park, MD / 2,528 |
| 40. | $125,216 | Aquia Harbour, VA / 6,478 |
| 41. | $124,149 | Olney, MD / 33,167 |
| 42. | $123,674 | Burke, VA / 41,472 |
| 43. | $122,768 | Tall Timbers, MD / 347 |
| 44. | $122,103 | Cloverly, MD / 15,413 |
| 45. | $121,944 | Hayfield, VA / 3,848 |
| 46. | $121,225 | Oakton, VA / 33,518 |
| 47. | $120,284 | Queenland, MD / 2,135 |
| 48. | $119,545 | Bennsville, MD / 11,693 |
| 49. | $118,750 | Buckhall, VA / 15,351 |
| 50. | $118,444 | Kings Park West, VA / 14,384 |
| 51. | $118,348 | Highland, MD / 679 |
| 52. | $118,111 | Montclair, VA / 19,360 |
| 53. | $118,010 | Kings Park, VA / 4,664 |
| 54. | $117,875 | Accokeek, MD / 10,513 |
| 55. | $117,416 | Newington Forest, VA / 13,114 |
| 56. | $117,314 | Rosaryville, MD / 11,479 |
| 57. | $116,806 | Garrett Park, MD / 917 |
| 58. | $116,470 | Vienna, VA / 15,387 |
| 59. | $116,359 | West Laurel, MD / 4,741 |
| 60. | $116,250 | Highland Beach, MD / 73 |
| 61. | $115,714 | Washington Grove, MD / 445 |
| 62. | $115,357 | Ashton-Sandy Spring, MD / 5,350 |
| 63. | $115,121 | Annapolis Neck, MD / 11,105 |
| 64. | $114,634 | Layhill, MD / 5,678 |
| 65. | $114,409 | Falls Church, VA / 11,465 |
| 66. | $114,016 | Mount Vernon, VA / 11,753 |
| 67. | $112,634 | Long Beach, MD / 1,866 |
| 68. | $112,404 | Spencerville, MD / 1,494 |
| 69. | $112,381 | Owings, MD / 2,242 |
| 70. | $112,321 | Derwood, MD / 2,136 |
| 71. | $112,287 | Newington, VA / 13,212 |
| 72. | $111,702 | Long Branch, VA / 7,943 |
| 73. | $111,374 | Ilchester, MD / 22,907 |
| 74. | $111,071 | Colesville, MD / 14,198 |
| 75. | $110,476 | Gambrills, MD / 2,575 |
| 76. | $110,357 | Lake Barcroft, VA / 9,061 |
| 77. | $110,341 | Severna Park, MD / 37,079 |
| 78. | $110,242 | Kingstowne, VA / 14,513 |
| 79. | $109,888 | Ellicott City, MD / 64,970 |
| 80. | $109,886 | Croom, MD / 2,296 |
| 81. | $109,098 | Mitchellville, MD / 11,653 |
| 82. | $108,848 | Woodburn, VA / 8,707 |
| 83. | $108,508 | Fishing Creek, MD / 80 |
| 84. | $108,393 | Riva, MD / 3,927 |
| 85. | $108,088 | Dunkirk, MD / 2,603 |
| 86. | $107,386 | Konterra, MD / 2,168 |
| 87. | $107,159 | Laytonsville, MD / 290 |
| 88. | $106,917 | Fort Washington, MD / 25,145 |
| 89. | $106,289 | Springdale, MD / 2,522 |
| 90. | $106,250 | Queen Anne, MD / 1,132 |
| 91. | $105,826 | Burke Centre, VA / 16,975 |
| 92. | $105,805 | Fair Lakes, VA / 7,960 |
| 93. | $105,660 | Four Corners, MD / 7,998 |
| 94. | $105,625 | Naval Academy, MD / 4,168 |
| 95. | $105,470 | West Springfield, VA / 22,272 |
| 96. | $105,366 | Brandywine, MD / 6,018 |
| 97. | $104,247 | Franconia, VA / 18,451 |
| 98. | $103,716 | Neabsco, VA / 9,425 |
| 99. | $103,170 | George Mason, VA / 8,877 |
| 100. | $103,125 | Ravensworth, VA / 2,562 |
| 101. | $103,077 | Saint George Island, MD / 329 |
| 102. | $102,477 | Laurel Hill, VA / 6,056 |
| 103. | $102,206 | Arden On The Severn, MD / 1,921 |
| 104. | $101,979 | Glenn Dale, MD / 14,129 |
| 105. | $101,737 | Scaggsville, MD / 22,995 |
| 106. | $101,671 | Bowie, MD / 54,314 |
| 107. | $101,150 | Merrifield, VA / 14,264 |
| 108. | $100,629 | Centreville, VA / 72,406 |
| 109. | $100,625 | Arnold, MD / 22,483 |
| 110. | $100,553 | Crofton, MD / 27,624 |
| 111. | $100,170 | Mason Neck, VA / 2,245 |
| 112. | $99,732 | Marlton, MD / 9,012 |
| 113. | $99,659 | North Laurel, MD / 4,076 |
| 114. | $99,171 | Marlboro Meadows, MD / 3,631 |
| 115. | $98,853 | Woodbridge, VA / 3,984 |
| 116. | $98,546 | Hillandale, MD / 6,405 |
| 117. | $97,900 | Fairfax, VA / 22,058 |
| 118. | $97,692 | Reston, VA / 53,257 |
| 119. | $97,636 | Greenbriar, VA / 7,672 |
| 120. | $97,387 | Rose Hill, VA / 19,767 |
| 121. | $96,766 | Redland, MD / 16,938 |
| 122. | $96,406 | Broomes Island, MD / 203 |
| 123. | $96,020 | Tyaskin, MD / 227 |
| 124. | $95,917 | Baden, MD / 2,269 |
| 125. | $95,833 | Pimmit Hills, VA / 6,235 |
| 126. | $95,801 | Clinton, MD / 35,985 |
| 127. | $95,208 | Elliott, MD / 32 |
| 128. | $94,880 | Arlington, VA / 197,467 |
| 129. | $94,794 | Burtonsville, MD / 9,233 |
| 130. | $94,083 | Tysons Corner, VA / 17,087 |
| 131. | $94,054 | North Bethesda, MD / 40,489 |
| 132. | $93,889 | Lake Ridge, VA / 39,421 |
| 133. | $93,299 | Kettering, MD / 12,545 |
| 134. | $93,174 | Columbia, MD / 98,379 |
| 135. | $92,876 | Idylwood, VA / 15,676 |
| 136. | $92,407 | County Center, VA / 3,336 |
| 137. | $92,089 | Cape Saint Claire, MD / 8,670 |
| 138. | $92,007 | Fair Oaks, VA / 27,539 |
| 139. | $91,705 | Drum Point, MD / 3,324 |
| 140. | $91,378 | Severn, MD / 41,753 |
| 141. | $91,359 | Odenton, MD / 35,399 |
| 142. | $91,066 | Friendly, MD / 9,968 |
| 143. | $90,600 | Piney Point, MD / 913 |
| 144. | $90,571 | Berwyn Heights, MD / 3,102 |
| 145. | $90,396 | Lake Shore, MD / 18,880 |
| 146. | $90,114 | Bryantown, MD / 662 |
| 147. | $89,982 | Deale, MD / 4,934 |
| 148. | $89,861 | Kent Narrows, MD / 589 |
| 149. | $89,500 | Hillsboro, MD / 111 |
| 150. | $89,418 | Rockville, MD / 58,300 |
| 151. | $89,294 | Kemp Mill, MD / 12,084 |
| 152. | $88,731 | Shady Side, MD / 5,885 |
| 153. | $88,664 | Belle Haven CDP, VA / 6,559 |
| 154. | $88,558 | Kensington, MD / 1,858 |
| 155. | $88,035 | Pasadena, MD / 22,189 |
| 156. | $88,026 | Lanham, MD / 8,931 |
| 157. | $87,436 | Lake Arbor, MD / 10,309 |
| 158. | $87,068 | Savage, MD / 6,789 |
| 159. | $86,932 | Stevensville, MD / 6,813 |
| 160. | $86,318 | Mayo, MD / 7,776 |
| 161. | $85,923 | Camp Springs, MD / 18,770 |
| 162. | $85,744 | West Falls Church, VA / 27,608 |
| 163. | $85,240 | California, MD / 11,970 |
| 164. | $84,805 | Glenmont, MD / 13,458 |
| 165. | $84,770 | Jesterville, MD / 339 |
| 166. | $84,573 | Potomac Mills, VA / 4,715 |
| 167. | $84,471 | Dale City, VA / 63,625 |
| 168. | $84,389 | Springfield, VA / 30,548 |
| 169. | $83,571 | Parole, MD / 14,894 |
| 170. | $83,148 | Bryans Road, MD / 7,552 |
| 171. | $83,125 | Mechanicsville, MD / 1,528 |
| 172. | $82,875 | Kingstown, MD / 1,811 |
| 173. | $82,806 | Lincolnia, VA / 20,646 |
| 174. | $82,568 | Chesapeake Beach, MD / 5,396 |
| 175. | $82,326 | Waldorf, MD / 67,143 |
| 176. | $82,112 | Maryland City, MD / 15,420 |
| 177. | $82,054 | Herald Harbor, MD / 2,244 |
| 178. | $81,951 | Marlboro Village, MD / 9,365 |
| 179. | $81,514 | North Springfield, VA / 7,283 |
| 180. | $81,339 | Westphalia, MD / 6,095 |
| 181. | $81,324 | Occoquan, VA / 582 |
| 182. | $81,300 | Edgewater, MD / 8,692 |
| 183. | $80,859 | Golden Beach, MD / 3,779 |
| 184. | $80,847 | Alexandria, VA / 133,647 |
| 185. | $80,625 | Madison, MD / 267 |
| 186. | $80,552 | Lorton, VA / 19,262 |
| 187. | $80,313 | Queen Anne town, MD / 243 |
| 188. | $80,129 | La Plata, MD / 8,496 |
| 189. | $79,645 | Riviera Beach, MD / 11,813 |
| 190. | $78,750 | Upper Marlboro, MD / 739 |
| 191. | $78,736 | Gaithersburg, MD / 58,169 |
| 192. | $78,449 | Cheverly, MD / 6,234 |
| 193. | $78,368 | Chesapeake Ranch Estates, MD / 9,735 |
| 194. | $76,804 | Friendship Heights Village, MD / 5,768 |
| 195. | $76,791 | Linthicum, MD / 10,444 |
| 196. | $76,282 | Cherry Hill, VA / 15,511 |
| 197. | $76,111 | Elkridge, MD / 13,512 |
| 198. | $76,013 | Huntington, VA / 10,359 |
| 199. | $75,871 | Annandale, VA / 38,439 |
| 200. | $75,717 | Largo, MD / 11,012 |
| 201. | $75,455 | Forest Glen, MD / 6,182 |
| 202. | $75,446 | Centreville, MD / 3,937 |
| 203. | $73,997 | Calverton, MD / 17,800 |
| 204. | $73,958 | Galesville, MD / 498 |
| 205. | $73,882 | Queenstown, MD / 690 |
| 206. | $73,810 | Mellwood, MD / 2,852 |
| 207. | $73,750 | Grasonville, MD / 3,114 |
| 208. | $73,648 | Fort Belvoir, VA / 6,288 |
| 209. | $73,599 | Forest Heights, MD / 2,152 |
| 210. | $73,571 | Charlotte Hall, MD / 1,384 |
| 211. | $73,513 | Aspen Hill, MD / 47,023 |
| 212. | $73,085 | Stafford Courthouse, VA / 4,064 |
| 213. | $73,056 | Crownsville, MD / 1,926 |
| 214. | $72,906 | Chester, MD / 4,142 |
| 215. | $72,372 | Lusby, MD / 2,325 |
| 216. | $72,321 | Solomons, MD / 2,009 |
| 217. | $71,583 | Taylors Island, MD / 188 |
| 218. | $71,118 | Baileys Crossroads, VA / 20,855 |
| 219. | $70,977 | North Kensington, MD / 9,623 |
| 220. | $70,299 | Manassas Park, VA / 13,195 |
| 221. | $70,230 | Beltsville, MD / 15,444 |
| 222. | $70,229 | Annapolis, MD / 37,825 |
| 223. | $69,844 | Williston, MD / 192 |
| 224. | $69,712 | Cordova, MD / 543 |
| 225. | $69,167 | Pomfret, MD / 477 |
| 226. | $69,079 | Indian Head, MD / 3,832 |
| 227. | $69,008 | Wheaton, MD / 45,079 |
| 228. | $68,750 | Morningside, MD / 1,683 |
| 229. | $68,412 | Yorkshire, VA / 6,800 |
| 230. | $67,918 | Silver Spring, MD / 70,049 |
| 231. | $67,685 | Woodlawn CDP, VA / 19,578 |
| 232. | $67,679 | Catonsville, MD / 41,866 |
| 233. | $67,295 | Seabrook, MD / 15,620 |
| 234. | $67,000 | Eldorado, MD / 102 |
| 235. | $66,875 | Saint Leonard, MD / 918 |
| 236. | $66,660 | Takoma Park, MD / 16,853 |
| 237. | $66,390 | Ferndale, MD / 17,104 |
| 238. | $66,342 | Bowleys Quarters, MD / 6,607 |
| 239. | $66,339 | Calvert Beach, MD / 599 |
| 240. | $66,308 | King George, VA / 3,613 |
| 241. | $66,212 | Fairland, MD / 23,086 |
| 242. | $65,986 | South Laurel, MD / 25,742 |
| 243. | $65,250 | Georgetown, MD / 254 |
| 244. | $65,025 | Summerfield, MD / 11,134 |
| 245. | $64,564 | Oxon Hill, MD / 18,417 |
| 246. | $64,447 | Passapatanzy, VA / 1,126 |
| 247. | $64,173 | Lexington Park, MD / 10,882 |
| 248. | $63,935 | Dumfries, VA / 4,947 |
| 249. | $63,909 | Groveton, VA / 13,634 |
| 250. | $63,807 | Fairlee, MD / 239 |
| 251. | $63,705 | Forestville, MD / 12,297 |
| 252. | $63,596 | District Heights, MD / 5,858 |
| 253. | $63,547 | National Harbor, MD / 3,127 |
| 254. | $63,526 | Benedict, MD / 244 |
| 255. | $63,271 | Laurel, MD / 24,433 |
| 256. | $63,206 | Marumsco, VA / 32,423 |
| 257. | $62,763 | Fairmount Heights, MD / 1,292 |
| 258. | $62,534 | Rosedale, MD / 19,044 |
| 259. | $62,420 | Denton, MD / 4,204 |
| 260. | $62,366 | College Park, MD / 29,596 |
| 261. | $62,054 | Landover Hills, MD / 1,876 |
| 262. | $61,786 | Tilghman Island, MD / 656 |
| 263. | $61,143 | Greenbelt, MD / 22,817 |
| 264. | $61,090 | Woodlawn CDP, MD / 6,490 |
| 265. | $61,086 | Woodlawn, MD / 37,978 |
| 266. | $61,080 | Dames Quarter, MD / 142 |
| 267. | $61,042 | North Brentwood, MD / 555 |
| 268. | $61,032 | White Oak, MD / 16,659 |
| 269. | $60,969 | New Carrollton, MD / 12,123 |
| 270. | $60,536 | Montross, VA / 377 |
| 271. | $60,213 | North Beach, MD / 1,606 |
| 272. | $60,206 | Rossville, MD / 15,072 |
| 273. | $60,184 | Walker Mill, MD / 11,575 |
| 274. | $59,983 | Arbutus, MD / 20,406 |
| 275. | $59,821 | Greensboro, MD / 2,455 |
| 276. | $59,805 | East Riverdale, MD / 15,669 |
| 277. | $59,560 | Overlea, MD / 12,672 |
| 278. | $59,453 | Glen Burnie, MD / 65,523 |
| 279. | $59,235 | Edgemere, MD / 9,053 |
| 280. | $59,234 | Easton, MD / 15,310 |
| 281. | $59,125 | Secretary, MD / 667 |
| 282. | $58,750 | Oxford, MD / 603 |
| 283. | $58,643 | Dahlgren, VA / 2,345 |
| 284. | $58,548 | Tolchester, MD / 457 |
| 285. | $58,532 | Fort Meade, MD / 10,910 |
| 286. | $58,526 | Washington, DC / 584,400 |
| 287. | $58,393 | Capitol Heights, MD / 4,298 |
| 288. | $58,250 | Marlow Heights, MD / 6,344 |
| 289. | $58,125 | Fairview Beach, VA / 574 |
| 290. | $57,277 | Boswell'S Corner, VA / 1,490 |
| 291. | $57,188 | Milford Mill, MD / 28,767 |
| 292. | $57,083 | Leonardtown, MD / 2,770 |
| 293. | $57,031 | Silver Hill, MD / 6,104 |
| 294. | $56,944 | Hebron, MD / 871 |
| 295. | $56,667 | Cobb Island, MD / 714 |
| 296. | $56,513 | Preston, MD / 512 |
| 297. | $56,429 | Worton, MD / 136 |
| 298. | $56,419 | Prince Frederick, MD / 2,601 |
| 299. | $56,394 | Hillcrest Heights, MD / 15,910 |
| 300. | $56,164 | Coral Hills, MD / 9,653 |
| 301. | $56,133 | Colmar Manor, MD / 1,383 |
| 302. | $56,111 | East New Market, MD / 315 |
| 303. | $55,500 | Adelphi, MD / 15,040 |
| 304. | $55,417 | Edmonston, MD / 1,328 |
| 305. | $54,839 | Hyattsville, MD / 17,254 |
| 306. | $54,672 | Triangle, VA / 7,693 |
| 307. | $54,571 | Temple Hills, MD / 7,639 |
| 308. | $54,250 | Quantico Base, VA / 6,004 |
| 309. | $54,196 | Algonquin, MD / 1,130 |
| 310. | $53,875 | Quantico, MD / 125 |
| 311. | $53,872 | Landover, MD / 23,540 |
| 312. | $53,552 | Lochearn, MD / 25,720 |
| 313. | $53,365 | Vienna, MD / 255 |
| 314. | $52,648 | Glassmanor, MD / 17,536 |
| 315. | $52,582 | Peppermill Village, MD / 4,842 |
| 316. | $52,576 | Suitland, MD / 25,240 |
| 317. | $52,457 | Chillum, MD / 35,034 |
| 318. | $52,382 | Andrews, MD / 2,719 |
| 319. | $52,381 | Brooklyn Park, MD / 14,178 |
| 320. | $52,086 | Leisure World, MD / 8,666 |
| 321. | $51,573 | Middle River, MD / 23,799 |
| 322. | $51,480 | Riverdale Park, MD / 6,893 |
| 323. | $51,420 | Potomac Heights, MD / 1,268 |
| 324. | $50,987 | Ridgely, MD / 2,257 |
| 325. | $50,759 | Langley Park, MD / 18,159 |
| 326. | $50,636 | Brentwood, MD / 3,037 |
| 327. | $50,469 | Trappe, MD / 1,182 |
| 328. | $50,438 | Hybla Valley, VA / 14,617 |
| 329. | $50,054 | Seven Corners, VA / 8,333 |
| 330. | $49,875 | Church Hill, MD / 551 |
| 331. | $49,861 | Barclay, MD / 168 |
| 332. | $49,448 | Essex, MD / 38,790 |
| 333. | $49,318 | Mardela Springs, MD / 285 |
| 334. | $49,167 | Goldsboro, MD / 338 |
| 335. | $49,119 | Mount Rainier, MD / 8,149 |
| 336. | $48,864 | Waterview, MD / 55 |
| 337. | $48,393 | Sharptown, MD / 865 |
| 338. | $47,943 | Glenarden, MD / 6,069 |
| 339. | $47,917 | Dahlgren Center, VA / 1,743 |
| 340. | $47,212 | Jessup, MD / 11,078 |
| 341. | $46,869 | Baltimore Highlands, MD / 7,319 |
| 342. | $46,753 | Dundalk, MD / 62,444 |
| 343. | $45,739 | Colonial Beach, VA / 3,465 |
| 344. | $45,000 | Chance, MD / 326 |
| 345. | $44,408 | Seat Pleasant, MD / 4,612 |
| 346. | $44,063 | Cedarville, MD / 876 |
| 347. | $43,523 | Saint Michaels, MD / 1,093 |
| 348. | $43,321 | Bladensburg, MD / 8,918 |
| 349. | $43,237 | Aquasco, MD / 836 |
| 350. | $43,167 | Nanticoke, MD / 167 |
| 351. | $43,125 | Cottage City, MD / 1,106 |
| 352. | $42,708 | Port Tobacco Village, MD / 20 |
| 353. | $42,039 | Hurlock, MD / 1,989 |
| 354. | $41,771 | Rock Hall, MD / 1,243 |
| 355. | $40,417 | Eagle Harbor, MD / 19 |
| 356. | $40,274 | Lansdowne, MD / 8,629 |
| 357. | $40,167 | Port Royal, VA / 175 |
| 358. | $39,776 | Federalsburg, MD / 2,755 |
| 359. | $39,386 | Baltimore, MD / 620,538 |
| 360. | $36,042 | Quantico, VA / 1,006 |
| 361. | $35,741 | Chestertown, MD / 5,162 |
| 362. | $35,417 | Galestown, MD / 57 |
| 363. | $34,948 | Warsaw, VA / 1,117 |
| 364. | $34,614 | Cambridge, MD / 12,109 |
| 365. | $33,250 | Brookview, MD / 58 |
| 366. | $31,961 | Butlertown, MD / 662 |
| 367. | $31,534 | Deal Island, MD / 456 |
| 368. | $31,250 | Church Creek, MD / 91 |
| 369. | $26,250 | Rock Point, MD / 71 |
| 370. | $24,922 | Bivalve, MD / 181 |
| 371. | $24,375 | Whitehaven, MD / 95 |
| 372. | $23,750 | West Denton, MD / 103 |
| 373. | $18,125 | Edesville, MD / 203 |
| 374. | $11,346 | Choptank, MD / 118 |
Please note that we only rank locations with 'Median Household Income' data. The rank above might not be a complete list. Locations without 'Median Household Income' 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.