Local Data Search
A total of 376 results found. Show Results on Map.
| Rank | House Median Value ▼ | City / Population |
| 1. | $1,000,001 | Somerset, MD / 1,367 |
| 1. | $1,000,001 | Chevy Chase, MD / 2,795 |
| 1. | $1,000,001 | Chevy Chase Section Three, MD / 711 |
| 1. | $1,000,001 | Chevy Chase Village, MD / 2,010 |
| 1. | $1,000,001 | Chevy Chase Section Five, MD / 735 |
| 1. | $1,000,001 | Travilah, MD / 12,063 |
| 7. | $988,600 | Martins Additions, MD / 904 |
| 8. | $981,500 | Brookmont, MD / 3,626 |
| 9. | $896,800 | Mclean, VA / 46,132 |
| 10. | $886,900 | Chevy Chase View, MD / 1,010 |
| 11. | $877,900 | Potomac, MD / 44,785 |
| 12. | $862,600 | Cabin John, MD / 1,963 |
| 13. | $846,000 | Chevy Chase CDP, MD / 9,741 |
| 14. | $812,500 | Glen Echo, MD / 249 |
| 15. | $798,900 | Bethesda, MD / 58,537 |
| 16. | $776,900 | Darnestown, MD / 6,502 |
| 17. | $775,900 | Ashton-Sandy Spring, MD / 5,350 |
| 18. | $755,600 | Brookeville, MD / 165 |
| 19. | $750,000 | North Chevy Chase, MD / 560 |
| 20. | $703,500 | Garrett Park, MD / 917 |
| 21. | $692,500 | Fulton, MD / 1,966 |
| 22. | $684,800 | Highland, MD / 679 |
| 23. | $674,800 | Kensington, MD / 1,858 |
| 24. | $651,500 | South Kensington, MD / 8,149 |
| 25. | $650,600 | Queen Anne, MD / 1,132 |
| 26. | $641,900 | Falls Church, VA / 11,465 |
| 27. | $640,800 | Crownsville, MD / 1,926 |
| 28. | $629,100 | North Potomac, MD / 25,025 |
| 29. | $625,000 | Highland Beach, MD / 73 |
| 30. | $612,300 | Woodmore, MD / 3,501 |
| 31. | $607,000 | Lake Barcroft, VA / 9,061 |
| 32. | $592,300 | Oxford, MD / 603 |
| 33. | $580,800 | Kent Narrows, MD / 589 |
| 34. | $580,300 | Annapolis Neck, MD / 11,105 |
| 35. | $574,700 | Derwood, MD / 2,136 |
| 36. | $574,000 | Queenland, MD / 2,135 |
| 37. | $571,700 | Arlington, VA / 197,467 |
| 38. | $566,300 | Cloverly, MD / 15,413 |
| 39. | $555,000 | Huntingtown, MD / 3,022 |
| 40. | $554,200 | Olney, MD / 33,167 |
| 41. | $550,300 | Galesville, MD / 498 |
| 42. | $543,700 | Fairwood, MD / 4,650 |
| 43. | $536,700 | Owings, MD / 2,242 |
| 44. | $535,300 | Ellicott City, MD / 64,970 |
| 45. | $520,100 | Severna Park, MD / 37,079 |
| 46. | $519,000 | Clarksburg, MD / 10,543 |
| 47. | $518,300 | Tysons Corner, VA / 17,087 |
| 48. | $509,400 | Croom, MD / 2,296 |
| 49. | $507,000 | North Bethesda, MD / 40,489 |
| 50. | $503,200 | Gambrills, MD / 2,575 |
| 51. | $495,500 | Takoma Park, MD / 16,853 |
| 52. | $494,400 | Laytonsville, MD / 290 |
| 53. | $492,800 | Rockville, MD / 58,300 |
| 54. | $491,100 | Hampton, MD / 4,888 |
| 55. | $490,300 | Pimmit Hills, VA / 6,235 |
| 56. | $487,400 | Baden, MD / 2,269 |
| 57. | $486,800 | Alexandria, VA / 133,647 |
| 58. | $483,900 | Idylwood, VA / 15,676 |
| 59. | $478,700 | Spencerville, MD / 1,494 |
| 60. | $475,700 | Layhill, MD / 5,678 |
| 61. | $472,400 | Urbana, MD / 7,294 |
| 62. | $470,800 | Colesville, MD / 14,198 |
| 63. | $468,900 | Dunkirk, MD / 2,603 |
| 64. | $465,800 | Riva, MD / 3,927 |
| 65. | $464,600 | Washington Grove, MD / 445 |
| 66. | $464,000 | Friendship, MD / 412 |
| 67. | $462,400 | Silver Spring, MD / 70,049 |
| 68. | $461,300 | West Falls Church, VA / 27,608 |
| 69. | $457,600 | Kingsville, MD / 4,690 |
| 70. | $456,500 | Bartonsville, MD / 1,298 |
| 71. | $452,600 | Four Corners, MD / 7,998 |
| 72. | $450,600 | University Park, MD / 2,528 |
| 73. | $449,500 | North Star, DE / 7,929 |
| 74. | $445,000 | Hillandale, MD / 6,405 |
| 75. | $444,800 | Glenn Dale, MD / 14,129 |
| 76. | $443,600 | Parole, MD / 14,894 |
| 77. | $443,300 | Washington, DC / 584,400 |
| 78. | $440,200 | Scaggsville, MD / 22,995 |
| 79. | $436,900 | Arnold, MD / 22,483 |
| 80. | $436,600 | Kemp Mill, MD / 12,084 |
| 81. | $436,100 | Brock Hall, MD / 8,153 |
| 82. | $436,000 | Mayo, MD / 7,776 |
| 83. | $435,600 | Forest Glen, MD / 6,182 |
| 84. | $434,700 | Redland, MD / 16,938 |
| 85. | $431,700 | Springdale, MD / 2,522 |
| 86. | $429,000 | Friendship Heights Village, MD / 5,768 |
| 87. | $428,100 | Damascus, MD / 15,520 |
| 88. | $425,800 | White Oak, MD / 16,659 |
| 89. | $425,100 | Annapolis, MD / 37,825 |
| 90. | $424,700 | Glenmont, MD / 13,458 |
| 91. | $423,200 | Jarrettsville, MD / 3,152 |
| 92. | $422,900 | Aspen Hill, MD / 47,023 |
| 93. | $422,800 | Burtonsville, MD / 9,233 |
| 94. | $420,100 | Mitchellville, MD / 11,653 |
| 95. | $416,900 | Pylesville, MD / 588 |
| 96. | $416,100 | Pleasant Hills, MD / 3,561 |
| 97. | $415,500 | Arden On The Severn, MD / 1,921 |
| 98. | $412,300 | Fallston, MD / 8,062 |
| 99. | $411,900 | West Laurel, MD / 4,741 |
| 100. | $408,500 | Mount Airy, MD / 8,921 |
| 101. | $407,400 | North Kensington, MD / 9,623 |
| 102. | $405,600 | Fort Washington, MD / 25,145 |
| 103. | $405,300 | Herald Harbor, MD / 2,244 |
| 104. | $400,000 | Saint Michaels, MD / 1,093 |
| 105. | $395,700 | Deale, MD / 4,934 |
| 106. | $395,200 | Monrovia, MD / 460 |
| 107. | $393,100 | Cape Saint Claire, MD / 8,670 |
| 108. | $391,200 | Crofton, MD / 27,624 |
| 108. | $391,200 | Ilchester, MD / 22,907 |
| 110. | $390,100 | Gaithersburg, MD / 58,169 |
| 111. | $388,600 | Rosaryville, MD / 11,479 |
| 112. | $386,400 | Columbia, MD / 98,379 |
| 113. | $385,900 | Eldersburg, MD / 31,632 |
| 114. | $385,100 | Spring Ridge, MD / 5,867 |
| 115. | $381,900 | North Laurel, MD / 4,076 |
| 116. | $381,600 | Chesapeake Beach, MD / 5,396 |
| 117. | $380,700 | Mays Chapel, MD / 11,965 |
| 118. | $379,900 | Lake Shore, MD / 18,880 |
| 119. | $379,300 | Wheaton, MD / 45,079 |
| 120. | $379,100 | South Laurel, MD / 25,742 |
| 121. | $377,000 | Linganore, MD / 8,309 |
| 122. | $374,800 | Libertytown, MD / 745 |
| 123. | $374,600 | Belle Haven CDP, VA / 6,559 |
| 124. | $368,200 | Calverton, MD / 17,800 |
| 125. | $367,500 | Fairland, MD / 23,086 |
| 126. | $367,300 | Shady Side, MD / 5,885 |
| 127. | $366,500 | Sykesville, MD / 4,454 |
| 128. | $365,300 | Stevensville, MD / 6,813 |
| 128. | $365,300 | Marlton, MD / 9,012 |
| 130. | $364,700 | Edgewater, MD / 8,692 |
| 131. | $362,400 | Friendly, MD / 9,968 |
| 132. | $361,100 | Timonium, MD / 9,773 |
| 133. | $360,700 | New Market, MD / 555 |
| 134. | $359,700 | Severn, MD / 41,753 |
| 135. | $359,500 | Huntington, VA / 10,359 |
| 136. | $358,300 | Bowie, MD / 54,314 |
| 137. | $356,400 | Clinton, MD / 35,985 |
| 138. | $355,900 | Lake Arbor, MD / 10,309 |
| 139. | $354,500 | Germantown, MD / 84,847 |
| 140. | $351,200 | Odenton, MD / 35,399 |
| 141. | $350,200 | College Park, MD / 29,596 |
| 142. | $348,800 | Brandywine, MD / 6,018 |
| 143. | $347,800 | Towson, MD / 54,068 |
| 144. | $346,200 | Elkridge, MD / 13,512 |
| 145. | $345,300 | Lutherville, MD / 6,227 |
| 146. | $345,000 | Chester, MD / 4,142 |
| 147. | $344,200 | Cheverly, MD / 6,234 |
| 148. | $342,700 | Lanham, MD / 8,931 |
| 149. | $340,700 | Centreville, MD / 3,937 |
| 150. | $340,100 | Grasonville, MD / 3,114 |
| 151. | $338,600 | Maryland City, MD / 15,420 |
| 152. | $337,800 | Woodsboro, MD / 1,101 |
| 153. | $337,700 | Berwyn Heights, MD / 3,102 |
| 154. | $337,400 | Kettering, MD / 12,545 |
| 155. | $337,300 | Baileys Crossroads, VA / 20,855 |
| 156. | $335,400 | Bel Air North, MD / 29,172 |
| 157. | $334,500 | Montgomery Village, MD / 31,714 |
| 158. | $330,600 | Savage, MD / 6,789 |
| 159. | $329,700 | Camp Springs, MD / 18,770 |
| 160. | $329,200 | Darlington, MD / 449 |
| 161. | $328,200 | Queenstown, MD / 690 |
| 162. | $327,000 | Konterra, MD / 2,168 |
| 163. | $326,900 | Mount Rainier, MD / 8,149 |
| 163. | $326,900 | Marlboro Village, MD / 9,365 |
| 165. | $325,800 | Seabrook, MD / 15,620 |
| 166. | $325,500 | Westphalia, MD / 6,095 |
| 167. | $324,600 | Riverdale Park, MD / 6,893 |
| 168. | $324,300 | Cockeysville, MD / 19,842 |
| 169. | $324,100 | Pikesville, MD / 30,720 |
| 170. | $322,800 | Beltsville, MD / 15,444 |
| 171. | $319,800 | Chestertown, MD / 5,162 |
| 172. | $319,700 | Pasadena, MD / 22,189 |
| 173. | $318,500 | New Carrollton, MD / 12,123 |
| 174. | $318,300 | Marlboro Meadows, MD / 3,631 |
| 175. | $317,600 | Hyattsville, MD / 17,254 |
| 176. | $315,000 | Marlow Heights, MD / 6,344 |
| 177. | $312,900 | New Windsor, MD / 1,398 |
| 178. | $312,700 | Chillum, MD / 35,034 |
| 179. | $311,600 | Catonsville, MD / 41,866 |
| 180. | $311,000 | Largo, MD / 11,012 |
| 181. | $308,500 | Williston, MD / 192 |
| 182. | $307,900 | Adelphi, MD / 15,040 |
| 183. | $306,300 | Linthicum, MD / 10,444 |
| 184. | $305,200 | National Harbor, MD / 3,127 |
| 185. | $304,900 | Easton, MD / 15,310 |
| 186. | $303,000 | Mellwood, MD / 2,852 |
| 187. | $302,700 | Woodlawn CDP, MD / 6,490 |
| 188. | $300,800 | Manchester, MD / 4,597 |
| 189. | $300,400 | Bowleys Quarters, MD / 6,607 |
| 190. | $298,800 | White Marsh, MD / 9,520 |
| 191. | $297,200 | Laurel, MD / 24,433 |
| 192. | $295,000 | North Beach, MD / 1,606 |
| 193. | $293,500 | Newark, DE / 31,110 |
| 194. | $292,300 | Bel Air South, MD / 45,769 |
| 195. | $291,900 | Brentwood, MD / 3,037 |
| 196. | $290,400 | Garrison, MD / 7,622 |
| 197. | $289,900 | Townsend, DE / 1,426 |
| 198. | $286,200 | Chesapeake City, MD / 719 |
| 199. | $285,000 | Odessa, DE / 227 |
| 200. | $281,100 | Tolchester, MD / 457 |
| 201. | $280,200 | Oxon Hill, MD / 18,417 |
| 202. | $279,600 | Landover Hills, MD / 1,876 |
| 203. | $279,400 | Langley Park, MD / 18,159 |
| 204. | $278,000 | Riviera Beach, MD / 11,813 |
| 205. | $277,600 | Taneytown, MD / 6,566 |
| 205. | $277,600 | Owings Mills, MD / 29,734 |
| 207. | $276,000 | Temple Hills, MD / 7,639 |
| 208. | $274,400 | Jessup, MD / 11,078 |
| 209. | $274,300 | Glen Burnie, MD / 65,523 |
| 210. | $273,800 | Glenarden, MD / 6,069 |
| 211. | $273,700 | Glasgow, DE / 15,648 |
| 212. | $273,200 | North Brentwood, MD / 555 |
| 213. | $273,100 | Grantley, PA / 3,492 |
| 214. | $272,600 | Walker Mill, MD / 11,575 |
| 215. | $272,400 | New Freedom, PA / 4,316 |
| 216. | $271,900 | Perry Hall, MD / 28,368 |
| 217. | $271,700 | Ferndale, MD / 17,104 |
| 218. | $270,500 | Perryville, MD / 4,311 |
| 218. | $270,500 | Rock Hall, MD / 1,243 |
| 220. | $270,400 | Leisure World, MD / 8,666 |
| 221. | $269,900 | Randallstown, MD / 32,570 |
| 222. | $269,300 | Tilghman Island, MD / 656 |
| 223. | $269,200 | Middletown, DE / 16,648 |
| 224. | $266,500 | Joppatowne, MD / 12,662 |
| 225. | $266,400 | Colmar Manor, MD / 1,383 |
| 226. | $266,100 | East Riverdale, MD / 15,669 |
| 227. | $265,400 | Glassmanor, MD / 17,536 |
| 228. | $264,400 | Bladensburg, MD / 8,918 |
| 229. | $262,800 | Edmonston, MD / 1,328 |
| 230. | $262,200 | District Heights, MD / 5,858 |
| 231. | $261,900 | Summerfield, MD / 11,134 |
| 232. | $260,600 | Port Deposit, MD / 621 |
| 233. | $260,300 | Havre De Grace, MD / 12,792 |
| 234. | $259,900 | Seven Corners, VA / 8,333 |
| 234. | $259,900 | Pike Creek Valley, DE / 11,400 |
| 236. | $259,200 | Edgemere, MD / 9,053 |
| 237. | $259,000 | Edesville, MD / 203 |
| 238. | $258,400 | Kingstown, MD / 1,811 |
| 239. | $258,200 | Reisterstown, MD / 26,947 |
| 240. | $257,300 | Peppermill Village, MD / 4,842 |
| 241. | $256,400 | Cottage City, MD / 1,106 |
| 242. | $253,800 | Charlestown, MD / 1,119 |
| 243. | $253,400 | Forest Heights, MD / 2,152 |
| 244. | $253,100 | Rising Sun, MD / 2,651 |
| 245. | $253,000 | Suitland, MD / 25,240 |
| 246. | $252,500 | Georgetown CDP, PA / 999 |
| 247. | $249,600 | Westminster, MD / 18,591 |
| 248. | $249,000 | Upper Marlboro, MD / 739 |
| 249. | $248,100 | Carney, MD / 27,583 |
| 250. | $247,900 | Arbutus, MD / 20,406 |
| 251. | $245,900 | Forestville, MD / 12,297 |
| 252. | $245,800 | Little Britain, PA / 219 |
| 253. | $245,700 | Greenbelt, MD / 22,817 |
| 254. | $245,200 | Betterton, MD / 450 |
| 255. | $244,700 | Coral Hills, MD / 9,653 |
| 256. | $244,300 | Galena, MD / 603 |
| 256. | $244,300 | Morningside, MD / 1,683 |
| 258. | $243,500 | Bel Air town, MD / 10,167 |
| 259. | $243,400 | Hillcrest Heights, MD / 15,910 |
| 260. | $243,200 | Hillsboro, MD / 111 |
| 260. | $243,200 | Hampstead, MD / 6,203 |
| 262. | $241,700 | Rossville, MD / 15,072 |
| 263. | $239,600 | Trappe, MD / 1,182 |
| 264. | $238,700 | Seat Pleasant, MD / 4,612 |
| 265. | $238,200 | Stonybrook, PA / 2,117 |
| 266. | $237,100 | Perryman, MD / 2,343 |
| 267. | $236,600 | Woodlawn, MD / 37,978 |
| 268. | $235,000 | Templeville, MD / 178 |
| 269. | $234,000 | Capitol Heights, MD / 4,298 |
| 270. | $233,500 | Milford Mill, MD / 28,767 |
| 271. | $233,200 | Shrewsbury, PA / 3,784 |
| 272. | $230,600 | Fairmount Heights, MD / 1,292 |
| 272. | $230,600 | Cordova, MD / 543 |
| 274. | $230,100 | Church Hill, MD / 551 |
| 274. | $230,100 | Landover, MD / 23,540 |
| 276. | $229,900 | Rosedale, MD / 19,044 |
| 277. | $228,800 | Queen Anne town, MD / 243 |
| 278. | $227,900 | Elkton, MD / 15,029 |
| 279. | $227,300 | Union Bridge, MD / 836 |
| 280. | $226,600 | Silver Hill, MD / 6,104 |
| 281. | $226,300 | Clayton, DE / 2,638 |
| 282. | $225,000 | Choptank, MD / 118 |
| 283. | $221,500 | Ridgely, MD / 2,257 |
| 283. | $221,500 | Riverside, MD / 6,543 |
| 285. | $220,600 | Lampeter, PA / 1,541 |
| 286. | $220,100 | Lochearn, MD / 25,720 |
| 287. | $219,200 | Viola, DE / 174 |
| 288. | $217,900 | Kirkwood, PA / 333 |
| 289. | $217,600 | Cochranville, PA / 735 |
| 290. | $216,800 | Oxford, PA / 4,971 |
| 291. | $216,000 | Denton, MD / 4,204 |
| 292. | $215,000 | Millington, MD / 597 |
| 293. | $214,600 | Cross Roads, PA / 620 |
| 294. | $213,800 | Aberdeen, MD / 14,920 |
| 295. | $212,400 | Stewartstown, PA / 2,191 |
| 296. | $212,000 | Baltimore Highlands, MD / 7,319 |
| 297. | $211,600 | Overlea, MD / 12,672 |
| 298. | $210,900 | Brooklyn Park, MD / 14,178 |
| 299. | $210,400 | Strasburg, PA / 2,818 |
| 300. | $206,600 | Smyrna, DE / 9,330 |
| 301. | $205,900 | Delaware City, DE / 1,723 |
| 302. | $204,900 | Parkville, MD / 30,156 |
| 303. | $203,700 | Camden, DE / 3,244 |
| 304. | $203,400 | Essex, MD / 38,790 |
| 305. | $202,800 | Susquehanna Trails, PA / 2,558 |
| 305. | $202,800 | Willow Street, PA / 7,354 |
| 307. | $201,900 | Railroad, PA / 247 |
| 308. | $201,300 | Cecilton, MD / 433 |
| 309. | $200,000 | Sudlersville, MD / 301 |
| 310. | $198,700 | Brookside, DE / 14,365 |
| 311. | $198,300 | Wakefield, PA / 626 |
| 312. | $198,200 | West Grove, PA / 2,838 |
| 313. | $196,300 | Bear, DE / 18,748 |
| 314. | $195,600 | Wyoming, DE / 1,451 |
| 315. | $195,500 | Barclay, MD / 168 |
| 316. | $194,400 | Edgewood, MD / 25,391 |
| 317. | $194,000 | Preston, MD / 512 |
| 318. | $192,900 | Fawn Grove, PA / 518 |
| 319. | $192,600 | Quarryville, PA / 2,476 |
| 320. | $192,400 | Dover, DE / 35,474 |
| 321. | $190,400 | Kennedyville, MD / 158 |
| 322. | $189,300 | New Salem borough, PA / 604 |
| 323. | $189,200 | Greensboro, MD / 2,455 |
| 324. | $188,700 | Conestoga, PA / 1,439 |
| 325. | $184,600 | Loganville, PA / 1,161 |
| 326. | $183,800 | Fairlee, MD / 239 |
| 327. | $183,400 | North East, MD / 3,492 |
| 328. | $182,500 | Jacobus, PA / 1,789 |
| 329. | $181,700 | Woodside, DE / 198 |
| 330. | $181,400 | Glen Rock, PA / 2,005 |
| 331. | $181,300 | Refton, PA / 209 |
| 332. | $181,000 | Littlestown, PA / 4,428 |
| 333. | $180,800 | Lansdowne, MD / 8,629 |
| 334. | $180,700 | Felton, DE / 1,078 |
| 335. | $179,200 | Tyler Run, PA / 1,530 |
| 336. | $176,800 | Marydel, MD / 300 |
| 337. | $173,700 | East York, PA / 9,212 |
| 338. | $173,200 | Henderson, MD / 203 |
| 339. | $171,700 | Georgetown, MD / 254 |
| 340. | $169,700 | Spry, PA / 4,907 |
| 341. | $169,100 | Millersville, PA / 8,077 |
| 342. | $168,400 | Felton, PA / 461 |
| 342. | $168,400 | Middle River, MD / 23,799 |
| 344. | $165,900 | Hanover, PA / 15,256 |
| 345. | $165,200 | Dundalk, MD / 62,444 |
| 346. | $162,500 | Winterstown, PA / 602 |
| 347. | $161,500 | Washington Boro, PA / 722 |
| 348. | $160,400 | Baltimore, MD / 620,538 |
| 349. | $159,500 | Jefferson borough, PA / 682 |
| 350. | $157,700 | Delta, PA / 633 |
| 351. | $157,200 | Midway, PA / 2,287 |
| 352. | $156,600 | Mcsherrystown, PA / 3,010 |
| 353. | $156,200 | Spring Grove, PA / 2,303 |
| 354. | $155,800 | Yorklyn, PA / 1,828 |
| 355. | $155,200 | Yorkana, PA / 226 |
| 356. | $153,800 | East Prospect, PA / 683 |
| 357. | $153,600 | Goldsboro, MD / 338 |
| 358. | $152,000 | Pennville, PA / 2,265 |
| 359. | $147,400 | Butlertown, MD / 662 |
| 360. | $146,900 | Rodney Village, DE / 1,773 |
| 361. | $145,900 | Valley View CDP, PA / 2,948 |
| 362. | $145,500 | Parkville, PA / 6,553 |
| 363. | $144,800 | Queens Gate, PA / 1,632 |
| 364. | $143,400 | Yoe, PA / 890 |
| 365. | $142,200 | Seven Valleys, PA / 529 |
| 366. | $139,900 | Red Lion, PA / 6,384 |
| 367. | $139,500 | Hartly, DE / 143 |
| 368. | $125,000 | Dallastown, PA / 4,085 |
| 369. | $122,500 | Windsor, PA / 1,666 |
| 370. | $120,000 | Worton, MD / 136 |
| 371. | $109,600 | Kenton, DE / 78 |
| 372. | $105,900 | West York, PA / 4,586 |
| 373. | $90,400 | Cheswold, DE / 1,352 |
| 374. | $80,100 | York, PA / 43,592 |
| 375. | $24,500 | Cedarville, MD / 876 |
| 376. | $22,000 | Aberdeen Proving Ground, MD / 3,558 |
Please note that we only rank locations with 'House Median Value' data. The rank above might not be a complete list. Locations without 'House Median Value' 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.