A total of 374 results found. Show Results on Map.
| Rank | Occupied House with no Vehicle ▼ | City / Population |
| 1. | 53.5% | Smith Island, MD / 172 |
| 2. | 30.6% | Spring Gap, MD / 113 |
| 3. | 30.4% | Nanticoke Acres, MD / 61 |
| 4. | 30.0% | Baltimore, MD / 620,644 |
| 5. | 29.2% | Jesterville, MD / 269 |
| 6. | 29.2% | Charlotte Hall, MD / 1,143 |
| 7. | 27.3% | Cottage City, MD / 1,188 |
| 8. | 26.3% | Bladensburg, MD / 9,140 |
| 9. | 26.0% | Friendship Heights Village, MD / 5,253 |
| 10. | 25.6% | Langley Park, MD / 20,675 |
| 11. | 25.3% | Mount Rainier, MD / 8,134 |
| 12. | 24.8% | Edesville, MD / 276 |
| 13. | 23.8% | Luke, MD / 109 |
| 14. | 23.4% | West Denton, MD / 196 |
| 15. | 23.4% | Brentwood, MD / 3,053 |
| 16. | 23.1% | Seat Pleasant, MD / 4,577 |
| 17. | 22.6% | Danville, MD / 231 |
| 18. | 22.4% | North Brentwood, MD / 553 |
| 19. | 22.1% | Glassmanor, MD / 17,400 |
| 20. | 21.9% | Buckeystown, MD / 905 |
| 21. | 21.8% | Lonaconing, MD / 1,205 |
| 22. | 21.3% | Silver Hill, MD / 5,818 |
| 23. | 21.2% | Chestertown, MD / 5,297 |
| 24. | 21.2% | Fairmount Heights, MD / 1,450 |
| 25. | 21.1% | Cambridge, MD / 12,381 |
| 26. | 20.8% | Marlow Heights, MD / 6,246 |
| 27. | 20.1% | Prince Frederick, MD / 2,770 |
| 28. | 20.0% | Capitol Heights, MD / 4,360 |
| 29. | 19.5% | Oakland, MD / 2,175 |
| 30. | 19.2% | Templeville, MD / 157 |
| 31. | 19.0% | Landover, MD / 22,956 |
| 32. | 18.8% | Antietam, MD / 121 |
| 33. | 18.0% | San Mar, MD / 348 |
| 34. | 17.8% | Riverdale Park, MD / 6,967 |
| 35. | 17.3% | Friendsville, MD / 512 |
| 35. | 17.3% | Silver Spring, MD / 74,476 |
| 37. | 17.2% | Federalsburg, MD / 2,733 |
| 38. | 16.6% | Pocomoke City, MD / 4,187 |
| 38. | 16.6% | Temple Hills, MD / 7,841 |
| 40. | 16.5% | Frostburg, MD / 8,886 |
| 41. | 16.5% | Lansdowne, MD / 9,328 |
| 42. | 16.3% | Leonardtown, MD / 2,986 |
| 43. | 16.2% | Solomons, MD / 1,872 |
| 44. | 16.1% | Westminster, MD / 18,614 |
| 45. | 16.0% | White Oak, MD / 16,614 |
| 46. | 16.0% | Coral Hills, MD / 8,921 |
| 47. | 15.8% | Hagerstown, MD / 40,078 |
| 48. | 15.8% | Chillum, MD / 36,023 |
| 49. | 15.7% | Deal Island, MD / 411 |
| 50. | 15.7% | Cumberland, MD / 20,776 |
| 51. | 15.5% | Hyattsville, MD / 17,549 |
| 52. | 15.5% | Suitland, MD / 25,060 |
| 53. | 15.3% | Crisfield, MD / 2,716 |
| 54. | 15.2% | Rock Point, MD / 76 |
| 55. | 14.9% | Salisbury, MD / 30,407 |
| 56. | 14.6% | Breathedsville, MD / 241 |
| 57. | 14.5% | Forest Glen, MD / 6,865 |
| 58. | 14.5% | Hillcrest Heights, MD / 15,229 |
| 59. | 14.4% | Calverton, MD / 18,442 |
| 60. | 14.4% | Forestville, MD / 11,942 |
| 61. | 14.0% | Leisure World, MD / 8,826 |
| 62. | 14.0% | Takoma Park, MD / 16,902 |
| 62. | 14.0% | National Harbor, MD / 3,610 |
| 64. | 13.9% | Princess Anne, MD / 3,252 |
| 65. | 13.5% | Mount Lena, MD / 420 |
| 66. | 13.4% | Walker Mill, MD / 10,936 |
| 67. | 13.4% | Mountain Lake Park, MD / 2,025 |
| 68. | 13.3% | North East, MD / 3,611 |
| 69. | 13.0% | Peppermill Village, MD / 4,935 |
| 70. | 12.8% | Glenarden, MD / 6,056 |
| 71. | 12.6% | East Riverdale, MD / 16,005 |
| 72. | 12.6% | Baltimore Highlands, MD / 7,135 |
| 73. | 12.6% | Essex, MD / 38,666 |
| 73. | 12.6% | Hancock, MD / 1,683 |
| 75. | 12.4% | North Kensington, MD / 10,102 |
| 76. | 12.3% | Aberdeen, MD / 14,958 |
| 77. | 12.1% | Finzel, MD / 439 |
| 78. | 12.0% | Snow Hill, MD / 2,625 |
| 79. | 11.9% | Dundalk, MD / 62,459 |
| 80. | 11.8% | Adelphi, MD / 15,045 |
| 81. | 11.8% | Accident, MD / 299 |
| 82. | 11.6% | Annapolis, MD / 38,309 |
| 83. | 11.5% | Queen Anne town, MD / 361 |
| 84. | 11.3% | Loch Lynn Heights, MD / 670 |
| 85. | 11.3% | Berlin, MD / 4,455 |
| 86. | 11.1% | Parkville, MD / 30,337 |
| 87. | 11.1% | Grantsville, MD / 842 |
| 88. | 11.0% | Catonsville, MD / 42,527 |
| 89. | 10.8% | Brooklyn Park, MD / 14,650 |
| 90. | 10.8% | Edgewood, MD / 25,719 |
| 91. | 10.6% | Vienna, MD / 303 |
| 92. | 10.6% | Colmar Manor, MD / 1,428 |
| 93. | 10.6% | New Carrollton, MD / 12,195 |
| 94. | 10.6% | Perryville, MD / 4,357 |
| 95. | 10.5% | Saint Michaels, MD / 974 |
| 96. | 10.5% | Cecilton, MD / 602 |
| 97. | 10.5% | Midland, MD / 482 |
| 98. | 10.3% | Rock Hall, MD / 1,272 |
| 98. | 10.3% | Edmonston, MD / 1,408 |
| 100. | 10.2% | Indian Head, MD / 3,866 |
| 101. | 10.2% | Elkton, MD / 15,393 |
| 102. | 10.1% | Carney, MD / 27,589 |
| 103. | 10.0% | Rising Sun, MD / 2,797 |
| 104. | 9.9% | Pleasant Grove, MD / 488 |
| 105. | 9.8% | Milford Mill, MD / 29,754 |
| 105. | 9.8% | Wheaton, MD / 48,089 |
| 107. | 9.8% | Aspen Hill, MD / 48,858 |
| 108. | 9.7% | Kitzmiller, MD / 320 |
| 109. | 9.6% | Galestown, MD / 104 |
| 109. | 9.6% | Delmar, MD / 2,976 |
| 111. | 9.6% | Timonium, MD / 9,942 |
| 111. | 9.6% | North Beach, MD / 1,882 |
| 113. | 9.5% | Greenbelt, MD / 23,113 |
| 114. | 9.5% | Chevy Chase CDP, MD / 9,344 |
| 115. | 9.5% | Millington, MD / 600 |
| 116. | 9.5% | Chance, MD / 339 |
| 117. | 9.4% | Denton, MD / 4,359 |
| 118. | 9.3% | College Park, MD / 30,478 |
| 119. | 9.3% | Pikesville, MD / 31,713 |
| 120. | 9.2% | Garretts Mill, MD / 270 |
| 121. | 9.2% | Woodlawn, MD / 39,216 |
| 122. | 9.2% | Middle River, MD / 25,301 |
| 123. | 9.2% | North Bethesda, MD / 42,894 |
| 124. | 9.1% | Edgemere, MD / 8,516 |
| 125. | 9.1% | Eagle Harbor, MD / 59 |
| 126. | 9.0% | Towson, MD / 55,811 |
| 127. | 8.8% | Rockville, MD / 60,960 |
| 128. | 8.7% | Brunswick, MD / 5,882 |
| 129. | 8.6% | Havre De Grace, MD / 13,066 |
| 129. | 8.6% | Hurlock, MD / 1,901 |
| 131. | 8.5% | Ridgely, MD / 1,710 |
| 132. | 8.4% | Easton, MD / 16,044 |
| 133. | 8.4% | Overlea, MD / 12,728 |
| 134. | 8.4% | Landover Hills, MD / 2,159 |
| 135. | 8.4% | Rossville, MD / 15,530 |
| 136. | 8.4% | Laurel, MD / 25,026 |
| 137. | 8.2% | Glen Burnie, MD / 66,456 |
| 137. | 8.2% | Bowling Green, MD / 1,487 |
| 139. | 8.2% | Lochearn, MD / 25,557 |
| 140. | 8.0% | Mount Airy, MD / 9,198 |
| 141. | 8.0% | Frederick, MD / 65,171 |
| 141. | 8.0% | Ferndale, MD / 17,517 |
| 143. | 7.9% | Gaithersburg, MD / 60,223 |
| 144. | 7.9% | Bethesda, MD / 59,591 |
| 145. | 7.8% | Union Bridge, MD / 890 |
| 145. | 7.8% | Rosedale, MD / 18,224 |
| 147. | 7.8% | District Heights, MD / 5,870 |
| 148. | 7.8% | Beltsville, MD / 16,673 |
| 148. | 7.8% | Fairland, MD / 24,067 |
| 150. | 7.7% | Bishopville, MD / 252 |
| 151. | 7.7% | Barton, MD / 602 |
| 152. | 7.6% | Edgemont, MD / 254 |
| 153. | 7.6% | Reisterstown, MD / 27,431 |
| 154. | 7.5% | Queen Anne, MD / 1,180 |
| 155. | 7.5% | Emmitsburg, MD / 2,903 |
| 156. | 7.5% | Woodlawn CDP, MD / 6,678 |
| 157. | 7.4% | Derwood, MD / 2,161 |
| 158. | 7.4% | La Plata, MD / 8,743 |
| 159. | 7.3% | Cape Saint Claire, MD / 8,746 |
| 160. | 7.3% | Lexington Park, MD / 12,387 |
| 161. | 7.2% | Galesville, MD / 570 |
| 162. | 7.1% | Westernport, MD / 1,989 |
| 163. | 7.1% | Shady Side, MD / 6,413 |
| 163. | 7.1% | Montgomery Village, MD / 32,458 |
| 165. | 7.0% | Church Creek, MD / 109 |
| 165. | 7.0% | Goldsboro, MD / 191 |
| 167. | 7.0% | Cockeysville, MD / 19,759 |
| 168. | 7.0% | Largo, MD / 10,272 |
| 169. | 7.0% | Summerfield, MD / 11,844 |
| 170. | 6.9% | Betterton, MD / 440 |
| 171. | 6.9% | Randallstown, MD / 32,626 |
| 172. | 6.8% | Grasonville, MD / 3,307 |
| 173. | 6.8% | Williamsport, MD / 2,364 |
| 174. | 6.8% | Fountainhead-Orchard Hills, MD / 5,962 |
| 175. | 6.7% | Thurmont, MD / 6,204 |
| 176. | 6.6% | Glenmont, MD / 13,619 |
| 177. | 6.5% | Robinwood, MD / 7,738 |
| 177. | 6.5% | Kent Narrows, MD / 546 |
| 179. | 6.5% | Ocean City, MD / 7,134 |
| 180. | 6.4% | Croom, MD / 2,581 |
| 181. | 6.4% | South Laurel, MD / 25,207 |
| 181. | 6.4% | Ashton-Sandy Spring, MD / 5,224 |
| 183. | 6.4% | New Market, MD / 649 |
| 184. | 6.2% | Bel Air, MD / 1,098 |
| 185. | 6.2% | Centreville, MD / 4,255 |
| 186. | 6.2% | Nanticoke, MD / 324 |
| 187. | 6.1% | Owings Mills, MD / 31,930 |
| 188. | 6.1% | Ballenger Creek, MD / 18,490 |
| 189. | 6.1% | Brookview, MD / 84 |
| 190. | 5.9% | Highfield-Cascade, MD / 929 |
| 191. | 5.9% | Hillandale, MD / 6,981 |
| 192. | 5.9% | Cedarville, MD / 547 |
| 193. | 5.8% | Upper Marlboro, MD / 672 |
| 194. | 5.8% | Brock Hall, MD / 9,158 |
| 195. | 5.7% | Four Corners, MD / 7,645 |
| 196. | 5.7% | Lanham, MD / 9,606 |
| 197. | 5.7% | Kemp Mill, MD / 12,111 |
| 198. | 5.7% | Fruitland, MD / 4,908 |
| 199. | 5.6% | Oxon Hill, MD / 19,198 |
| 200. | 5.6% | Linthicum, MD / 10,858 |
| 201. | 5.6% | Shaft, MD / 219 |
| 202. | 5.5% | Forest Heights, MD / 2,072 |
| 203. | 5.5% | Wilson-Conococheague, MD / 2,656 |
| 204. | 5.5% | Jefferson, MD / 1,788 |
| 205. | 5.4% | Highland Beach, MD / 89 |
| 206. | 5.4% | Long Beach, MD / 1,880 |
| 207. | 5.4% | Pittsville, MD / 1,477 |
| 208. | 5.3% | Cheverly, MD / 6,218 |
| 209. | 5.2% | Columbia, MD / 100,735 |
| 209. | 5.2% | Garrett Park, MD / 1,050 |
| 211. | 5.1% | South Kensington, MD / 7,895 |
| 212. | 5.1% | Arbutus, MD / 19,913 |
| 213. | 5.1% | Germantown, MD / 88,039 |
| 214. | 5.0% | Seabrook, MD / 16,231 |
| 215. | 5.0% | Pleasant Hills, MD / 3,586 |
| 216. | 4.9% | Perryman, MD / 2,192 |
| 217. | 4.9% | Woodsboro, MD / 1,180 |
| 218. | 4.9% | Cresaptown, MD / 4,338 |
| 219. | 4.8% | Parole, MD / 16,300 |
| 220. | 4.8% | Piney Point, MD / 644 |
| 221. | 4.8% | Damascus, MD / 15,478 |
| 221. | 4.8% | Layhill, MD / 5,498 |
| 223. | 4.7% | Braddock Heights, MD / 2,882 |
| 224. | 4.7% | Savage, MD / 6,556 |
| 225. | 4.6% | Lutherville, MD / 6,475 |
| 226. | 4.6% | Chesapeake City, MD / 683 |
| 227. | 4.5% | Elkridge, MD / 14,959 |
| 228. | 4.5% | Bryans Road, MD / 7,635 |
| 229. | 4.5% | Garrison, MD / 7,485 |
| 230. | 4.4% | Paramount-Long Meadow, MD / 2,430 |
| 231. | 4.4% | Severn, MD / 43,690 |
| 232. | 4.4% | Spring Ridge, MD / 5,797 |
| 233. | 4.4% | Kensington, MD / 1,959 |
| 234. | 4.3% | Berwyn Heights, MD / 3,126 |
| 235. | 4.3% | Waldorf, MD / 68,947 |
| 236. | 4.2% | Bel Air South, MD / 46,512 |
| 237. | 4.2% | Potomac Heights, MD / 1,076 |
| 238. | 4.1% | Tilghman Island, MD / 819 |
| 239. | 4.1% | Grahamtown, MD / 360 |
| 240. | 4.1% | Burtonsville, MD / 8,259 |
| 241. | 4.0% | Glen Echo, MD / 232 |
| 242. | 4.0% | Sykesville, MD / 4,445 |
| 243. | 3.9% | Smithsburg, MD / 2,951 |
| 243. | 3.9% | Queenstown, MD / 632 |
| 245. | 3.9% | Westphalia, MD / 6,668 |
| 245. | 3.9% | Camp Springs, MD / 19,034 |
| 247. | 3.8% | West Pocomoke, MD / 522 |
| 247. | 3.8% | Bel Air town, MD / 10,172 |
| 249. | 3.7% | Clinton, MD / 36,044 |
| 250. | 3.7% | Chevy Chase, MD / 2,846 |
| 251. | 3.7% | Deer Park, MD / 401 |
| 251. | 3.7% | California, MD / 11,055 |
| 253. | 3.7% | Willards, MD / 896 |
| 254. | 3.6% | Henderson, MD / 156 |
| 255. | 3.6% | Fairmount, MD / 387 |
| 256. | 3.6% | Springdale, MD / 2,571 |
| 257. | 3.5% | Chevy Chase View, MD / 1,030 |
| 258. | 3.5% | Sharpsburg, MD / 781 |
| 259. | 3.5% | Trappe, MD / 1,169 |
| 260. | 3.5% | Halfway, MD / 10,217 |
| 261. | 3.4% | Bowie, MD / 55,059 |
| 262. | 3.4% | Rosemont, MD / 325 |
| 263. | 3.3% | New Windsor, MD / 1,411 |
| 264. | 3.3% | North Potomac, MD / 24,220 |
| 265. | 3.3% | Bowleys Quarters, MD / 6,523 |
| 266. | 3.3% | Ellicott City, MD / 66,476 |
| 267. | 3.3% | Pomfret, MD / 557 |
| 268. | 3.2% | Funkstown, MD / 1,051 |
| 269. | 3.2% | Greensboro, MD / 2,341 |
| 270. | 3.2% | Tolchester, MD / 438 |
| 271. | 3.1% | Manchester, MD / 4,750 |
| 272. | 3.0% | Port Deposit, MD / 671 |
| 273. | 3.0% | Perry Hall, MD / 27,978 |
| 274. | 3.0% | Ilchester, MD / 24,035 |
| 275. | 3.0% | Eldersburg, MD / 31,650 |
| 276. | 3.0% | Colesville, MD / 14,709 |
| 276. | 3.0% | East New Market, MD / 370 |
| 278. | 3.0% | Aberdeen Proving Ground, MD / 1,836 |
| 278. | 3.0% | La Vale, MD / 3,248 |
| 280. | 2.9% | Cloverly, MD / 14,735 |
| 281. | 2.8% | Lake Arbor, MD / 10,925 |
| 282. | 2.8% | Riverside, MD / 6,886 |
| 283. | 2.8% | Marlboro Village, MD / 9,893 |
| 283. | 2.8% | Stevensville, MD / 6,609 |
| 285. | 2.8% | North Laurel, MD / 19,810 |
| 285. | 2.8% | Corriganville, MD / 564 |
| 287. | 2.8% | West Ocean City, MD / 4,348 |
| 288. | 2.8% | Hebron, MD / 1,022 |
| 289. | 2.7% | Ellerslie, MD / 349 |
| 289. | 2.7% | Potomac, MD / 45,360 |
| 291. | 2.7% | Riviera Beach, MD / 11,869 |
| 291. | 2.7% | Hampton, MD / 4,913 |
| 293. | 2.7% | Glenn Dale, MD / 13,973 |
| 294. | 2.6% | Saint James, MD / 3,294 |
| 295. | 2.6% | Sudlersville, MD / 340 |
| 296. | 2.5% | Boonsboro, MD / 3,394 |
| 297. | 2.5% | Linganore, MD / 8,421 |
| 297. | 2.5% | Chesapeake Beach, MD / 5,674 |
| 299. | 2.5% | Chesapeake Ranch Estates, MD / 11,180 |
| 300. | 2.5% | Hampstead, MD / 6,299 |
| 301. | 2.5% | Chevy Chase Section Five, MD / 753 |
| 302. | 2.4% | Fulton, MD / 2,030 |
| 303. | 2.4% | Chevy Chase Section Three, MD / 743 |
| 303. | 2.4% | Mount Savage, MD / 716 |
| 305. | 2.4% | Olney, MD / 33,789 |
| 306. | 2.3% | Severna Park, MD / 38,014 |
| 307. | 2.3% | Fort Washington, MD / 24,841 |
| 308. | 2.3% | Brandywine, MD / 7,601 |
| 309. | 2.3% | Charlestown, MD / 1,122 |
| 309. | 2.3% | Bel Air North, MD / 30,723 |
| 311. | 2.2% | Redland, MD / 17,292 |
| 312. | 2.2% | Oxford, MD / 539 |
| 313. | 2.2% | Marlton, MD / 9,347 |
| 314. | 2.1% | Lusby, MD / 2,102 |
| 315. | 2.0% | Martins Additions, MD / 895 |
| 316. | 2.0% | Queenland, MD / 1,910 |
| 317. | 2.0% | Spencerville, MD / 1,543 |
| 318. | 2.0% | Aquasco, MD / 807 |
| 318. | 2.0% | Joppatowne, MD / 13,085 |
| 320. | 1.9% | North Chevy Chase, MD / 602 |
| 320. | 1.9% | Tall Timbers, MD / 320 |
| 322. | 1.9% | Deale, MD / 4,655 |
| 322. | 1.9% | Chevy Chase Village, MD / 1,983 |
| 324. | 1.9% | Mechanicsville, MD / 1,563 |
| 325. | 1.8% | Edgewater, MD / 9,219 |
| 326. | 1.8% | Middletown, MD / 4,105 |
| 327. | 1.8% | Taneytown, MD / 6,690 |
| 328. | 1.8% | Cavetown, MD / 1,588 |
| 329. | 1.7% | Walkersville, MD / 5,853 |
| 330. | 1.7% | Rosaryville, MD / 11,746 |
| 331. | 1.7% | Pasadena, MD / 24,400 |
| 332. | 1.6% | Kingsville, MD / 4,227 |
| 333. | 1.6% | Morningside, MD / 1,757 |
| 334. | 1.6% | Ocean Pines, MD / 10,464 |
| 335. | 1.5% | Cabin John, MD / 2,260 |
| 336. | 1.5% | Galena, MD / 764 |
| 337. | 1.5% | Secretary, MD / 763 |
| 338. | 1.5% | Lake Shore, MD / 18,580 |
| 338. | 1.5% | Kingstown, MD / 2,015 |
| 340. | 1.5% | Odenton, MD / 36,495 |
| 341. | 1.4% | Maugansville, MD / 3,138 |
| 341. | 1.4% | Potomac Park, MD / 2,017 |
| 343. | 1.4% | White Marsh, MD / 9,155 |
| 344. | 1.4% | Travilah, MD / 12,384 |
| 345. | 1.3% | Annapolis Neck, MD / 11,274 |
| 346. | 1.3% | Andrews, MD / 3,210 |
| 347. | 1.3% | Kettering, MD / 13,130 |
| 348. | 1.3% | University Park, MD / 2,559 |
| 349. | 1.3% | Clear Spring, MD / 389 |
| 350. | 1.2% | Crofton, MD / 28,086 |
| 350. | 1.2% | Accokeek, MD / 10,528 |
| 352. | 1.2% | Mitchellville, MD / 10,300 |
| 353. | 1.1% | Konterra, MD / 2,528 |
| 353. | 1.1% | Preston, MD / 631 |
| 355. | 1.0% | Mays Chapel, MD / 11,584 |
| 356. | 1.0% | Chester, MD / 4,154 |
| 356. | 1.0% | Arnold, MD / 22,626 |
| 358. | 0.9% | Point Of Rocks, MD / 1,432 |
| 358. | 0.9% | Baden, MD / 2,243 |
| 360. | 0.9% | Fallston, MD / 8,327 |
| 361. | 0.9% | Brookmont, MD / 3,881 |
| 362. | 0.9% | Gambrills, MD / 2,539 |
| 363. | 0.8% | Church Hill, MD / 687 |
| 364. | 0.8% | Maryland City, MD / 15,177 |
| 365. | 0.8% | Clarksburg, MD / 13,394 |
| 366. | 0.8% | Fort Meade, MD / 10,712 |
| 367. | 0.7% | Riva, MD / 4,073 |
| 368. | 0.7% | Friendly, MD / 9,407 |
| 369. | 0.7% | Myersville, MD / 1,867 |
| 370. | 0.6% | Darnestown, MD / 6,735 |
| 371. | 0.6% | Marlboro Meadows, MD / 3,532 |
| 372. | 0.5% | Mayo, MD / 8,395 |
| 373. | 0.5% | Somerset, MD / 1,314 |
| 374. | 0.5% | Urbana, MD / 8,965 |
Please note that we only rank locations with 'Occupied House with no Vehicle' data. The rank above might not be a complete list. Locations without 'Occupied House with no Vehicle' 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.