Local Data Search
A total of 396 results found. Show Results on Map.
| Rank | Median Household Income ▼ | Census Block Group / Population |
| 1. | $94,239 | TN1251019041 / 1,740 |
| 2. | $91,146 | KY0350103013 / 887 |
| 3. | $88,906 | TN1251018032 / 920 |
| 4. | $86,415 | TN1251018042 / 2,174 |
| 5. | $84,063 | TN0430604013 / 1,281 |
| 6. | $83,769 | TN1251018041 / 3,444 |
| 7. | $78,426 | TN0179622021 / 1,661 |
| 8. | $76,875 | TN1251019033 / 1,063 |
| 9. | $76,146 | KY0350106005 / 1,657 |
| 10. | $75,536 | TN0210702011 / 3,962 |
| 11. | $73,033 | TN1251018021 / 3,910 |
| 12. | $71,458 | TN0210702031 / 1,459 |
| 13. | $69,453 | TN1251018031 / 5,544 |
| 14. | $69,035 | TN1251007001 / 424 |
| 15. | $67,703 | TN0210702021 / 960 |
| 16. | $67,299 | TN1251019021 / 2,372 |
| 17. | $67,222 | TN1470807002 / 3,685 |
| 18. | $66,932 | TN1251018023 / 1,543 |
| 19. | $66,146 | TN1251015004 / 1,633 |
| 20. | $65,165 | TN0210702023 / 2,523 |
| 21. | $64,833 | TN0430604011 / 474 |
| 22. | $64,142 | TN1251020041 / 4,290 |
| 23. | $63,917 | KY0339203003 / 1,085 |
| 24. | $63,621 | TN1251005001 / 1,207 |
| 25. | $63,520 | TN1470802002 / 804 |
| 26. | $63,490 | TN1251017002 / 1,873 |
| 27. | $63,311 | TN1251020022 / 936 |
| 28. | $62,958 | KY0472014001 / 1,155 |
| 29. | $62,944 | KY1450311002 / 2,024 |
| 30. | $62,713 | TN1251018022 / 1,553 |
| 31. | $62,104 | TN1251003003 / 1,500 |
| 32. | $60,379 | TN0430606024 / 914 |
| 33. | $59,688 | KY0350106002 / 890 |
| 34. | $59,375 | TN1251015002 / 3,191 |
| 35. | $59,219 | TN1611102003 / 1,646 |
| 36. | $58,750 | TN0430604022 / 2,443 |
| 37. | $58,697 | TN0210702022 / 1,800 |
| 38. | $58,625 | TN1251013061 / 1,213 |
| 39. | $58,559 | KY0472009003 / 1,798 |
| 40. | $58,536 | KY1450312001 / 703 |
| 41. | $58,523 | KY1579501002 / 1,682 |
| 42. | $58,401 | TN1251020031 / 4,732 |
| 43. | $57,996 | TN1251010021 / 1,637 |
| 44. | $57,434 | TN1251020021 / 1,418 |
| 45. | $57,391 | KY0472009002 / 1,502 |
| 46. | $57,337 | TN0851303002 / 2,114 |
| 47. | $56,974 | KY1579506001 / 1,365 |
| 48. | $56,729 | KY0350106006 / 2,261 |
| 49. | $56,518 | KY0472003003 / 763 |
| 50. | $56,338 | TN1251020061 / 5,566 |
| 51. | $56,216 | KY0350106003 / 503 |
| 52. | $56,206 | KY2219703003 / 2,109 |
| 53. | $56,042 | TN0851305002 / 972 |
| 54. | $55,625 | TN1251020023 / 3,650 |
| 55. | $55,580 | KY0350106004 / 898 |
| 56. | $55,167 | TN0799690003 / 1,014 |
| 57. | $54,963 | TN1251006022 / 2,012 |
| 58. | $54,946 | KY0472005002 / 1,235 |
| 59. | $54,615 | TN0799696003 / 1,994 |
| 60. | $54,550 | TN1251006011 / 2,278 |
| 61. | $54,519 | TN0799690001 / 875 |
| 62. | $54,286 | TN1470807001 / 3,457 |
| 63. | $54,185 | TN0059631002 / 1,143 |
| 64. | $53,849 | KY0830204001 / 1,162 |
| 65. | $53,646 | KY1579505001 / 759 |
| 66. | $53,633 | TN0210704012 / 1,782 |
| 67. | $53,606 | TN0851303003 / 1,264 |
| 68. | $53,482 | KY1579502002 / 1,339 |
| 69. | $53,295 | KY0830204003 / 901 |
| 70. | $53,095 | KY0350107002 / 1,344 |
| 71. | $53,000 | TN1251013033 / 3,399 |
| 72. | $52,604 | KY1390402004 / 829 |
| 73. | $52,280 | TN1251018024 / 2,954 |
| 74. | $52,188 | TN0179622023 / 1,092 |
| 75. | $51,985 | TN0430602003 / 1,691 |
| 76. | $51,771 | KY1579502003 / 1,741 |
| 77. | $51,619 | KY1439601002 / 1,135 |
| 78. | $51,250 | TN1251014002 / 1,451 |
| 79. | $51,111 | KY0472012001 / 1,623 |
| 80. | $51,047 | TN0430604021 / 3,159 |
| 81. | $50,956 | KY0472005003 / 1,094 |
| 82. | $50,893 | KY1579502001 / 1,672 |
| 82. | $50,893 | TN1251017004 / 1,714 |
| 84. | $50,855 | KY2219703002 / 1,583 |
| 85. | $50,827 | TN1251012022 / 2,319 |
| 86. | $50,789 | TN1251013031 / 1,331 |
| 87. | $50,703 | KY0472013011 / 2,192 |
| 88. | $50,614 | KY0830209002 / 1,028 |
| 89. | $50,592 | TN1251020053 / 563 |
| 90. | $50,537 | TN1251020051 / 2,924 |
| 91. | $50,417 | KY1579504003 / 2,410 |
| 92. | $50,234 | TN1251020054 / 769 |
| 93. | $50,096 | TN0210704021 / 1,211 |
| 94. | $50,029 | TN1251015001 / 1,326 |
| 95. | $50,000 | TN0430605013 / 2,389 |
| 96. | $49,940 | TN1251020011 / 2,614 |
| 97. | $49,688 | TN0430601002 / 2,469 |
| 98. | $49,648 | KY0472007003 / 2,912 |
| 99. | $49,643 | KY1579501003 / 928 |
| 100. | $49,514 | KY2219701002 / 1,302 |
| 101. | $49,038 | TN0179621003 / 1,974 |
| 102. | $48,984 | TN0819505001 / 2,340 |
| 103. | $48,906 | TN1251014003 / 3,048 |
| 104. | $48,901 | KY2199503001 / 872 |
| 105. | $48,792 | TN1470802001 / 2,175 |
| 106. | $48,750 | KY0472009001 / 2,573 |
| 107. | $48,725 | KY0350101001 / 1,706 |
| 108. | $48,678 | TN1251013041 / 2,020 |
| 109. | $48,646 | TN0430605011 / 909 |
| 110. | $48,618 | TN1251017005 / 1,548 |
| 111. | $48,542 | TN0851305001 / 477 |
| 111. | $48,542 | TN0831202002 / 725 |
| 113. | $48,264 | TN0799690002 / 1,389 |
| 114. | $48,136 | KY1579505002 / 1,258 |
| 115. | $47,969 | KY1439602001 / 1,322 |
| 116. | $47,875 | TN1251012011 / 2,311 |
| 116. | $47,875 | KY0350105001 / 710 |
| 118. | $47,863 | TN1251013063 / 1,212 |
| 119. | $47,841 | TN0059634002 / 911 |
| 120. | $47,734 | TN0210701022 / 2,579 |
| 121. | $47,639 | KY0350108004 / 779 |
| 122. | $47,627 | TN1251015003 / 1,354 |
| 123. | $47,545 | KY2219701001 / 1,542 |
| 124. | $47,264 | KY0472006002 / 2,186 |
| 125. | $47,188 | TN0430605021 / 1,123 |
| 126. | $47,037 | TN0179621004 / 877 |
| 127. | $47,000 | TN1251020012 / 1,619 |
| 128. | $46,964 | KY2199502003 / 534 |
| 129. | $46,959 | TN0430601001 / 2,269 |
| 130. | $46,875 | TN0210702032 / 2,113 |
| 131. | $46,842 | KY0830208001 / 1,280 |
| 132. | $46,750 | TN0430602002 / 2,023 |
| 133. | $46,724 | TN1251013062 / 2,031 |
| 134. | $46,681 | KY0350102002 / 1,779 |
| 135. | $46,667 | TN0430602004 / 1,103 |
| 136. | $46,548 | TN0799698001 / 1,051 |
| 137. | $46,500 | TN1251010011 / 1,072 |
| 138. | $46,429 | KY0350103023 / 1,973 |
| 139. | $46,270 | TN0851301003 / 1,504 |
| 140. | $46,115 | TN1251011031 / 2,441 |
| 141. | $46,065 | TN0851305003 / 1,368 |
| 142. | $46,058 | TN0430605022 / 814 |
| 143. | $45,817 | TN1251019032 / 3,160 |
| 144. | $45,795 | TN0430606022 / 1,403 |
| 144. | $45,795 | TN0430607002 / 2,437 |
| 146. | $45,708 | TN1251013051 / 2,924 |
| 147. | $45,431 | TN1251013071 / 2,240 |
| 148. | $45,208 | TN0430603002 / 2,391 |
| 149. | $45,192 | KY1439601004 / 904 |
| 150. | $44,881 | TN0430607001 / 2,206 |
| 151. | $44,811 | TN1251010022 / 1,614 |
| 152. | $44,559 | KY0472015021 / 2,160 |
| 153. | $44,213 | TN1251003002 / 1,843 |
| 154. | $44,107 | KY0830201003 / 1,308 |
| 155. | $43,993 | KY0472013024 / 1,707 |
| 156. | $43,977 | TN0430603003 / 1,521 |
| 157. | $43,942 | TN0799691001 / 1,124 |
| 158. | $43,895 | TN0799696004 / 1,297 |
| 159. | $43,833 | KY1579503003 / 1,787 |
| 160. | $43,799 | TN0430602001 / 1,475 |
| 161. | $43,769 | KY2219702004 / 2,154 |
| 162. | $43,750 | TN0799692001 / 1,075 |
| 163. | $43,710 | TN0851301001 / 1,068 |
| 164. | $43,696 | KY0350108003 / 1,167 |
| 165. | $43,462 | TN0819502001 / 2,372 |
| 166. | $43,368 | KY1579501001 / 1,686 |
| 167. | $43,291 | KY1419606003 / 999 |
| 168. | $43,150 | KY0830203005 / 2,338 |
| 169. | $43,100 | TN0430604012 / 948 |
| 170. | $43,056 | TN0799692002 / 910 |
| 171. | $42,869 | TN1251011023 / 1,996 |
| 172. | $42,833 | TN0851304002 / 1,550 |
| 173. | $42,708 | TN0430606011 / 1,288 |
| 174. | $42,670 | KY0472006001 / 2,239 |
| 175. | $42,574 | TN0831201001 / 1,219 |
| 176. | $42,538 | KY0830209001 / 1,510 |
| 177. | $42,460 | TN0430605014 / 2,079 |
| 178. | $42,426 | KY1079713005 / 759 |
| 179. | $42,404 | KY0830202003 / 1,585 |
| 180. | $42,353 | TN0851301002 / 1,407 |
| 181. | $42,350 | KY0339202001 / 1,594 |
| 182. | $42,188 | TN0799697001 / 1,283 |
| 183. | $42,143 | TN1611102001 / 1,732 |
| 184. | $42,130 | KY2219702003 / 1,019 |
| 185. | $42,100 | TN1251011011 / 2,679 |
| 186. | $42,083 | KY0350101003 / 1,393 |
| 187. | $41,977 | KY1579503002 / 1,626 |
| 188. | $41,917 | TN0799696002 / 1,881 |
| 189. | $41,875 | KY1439601003 / 960 |
| 190. | $41,691 | KY0350107003 / 1,400 |
| 191. | $41,563 | TN1251017003 / 1,056 |
| 192. | $41,552 | KY2199504001 / 1,285 |
| 193. | $41,542 | TN0430603001 / 2,129 |
| 194. | $41,536 | TN0179622022 / 1,494 |
| 195. | $41,434 | TN1251011021 / 751 |
| 196. | $41,406 | KY0339203005 / 1,560 |
| 196. | $41,406 | TN0819502002 / 1,236 |
| 198. | $41,346 | KY0350108002 / 499 |
| 199. | $41,273 | TN1251016001 / 2,607 |
| 200. | $41,250 | KY0830208003 / 2,346 |
| 200. | $41,250 | TN0819502003 / 1,954 |
| 202. | $41,116 | TN1839684003 / 896 |
| 203. | $40,950 | KY0472012002 / 1,092 |
| 204. | $40,750 | KY1079713002 / 1,116 |
| 205. | $40,733 | KY0350102001 / 1,592 |
| 206. | $40,651 | KY0339203004 / 886 |
| 207. | $40,398 | KY0830204002 / 1,075 |
| 208. | $40,208 | TN0430606012 / 1,739 |
| 209. | $40,119 | KY0350105002 / 627 |
| 210. | $39,948 | KY2199503002 / 2,032 |
| 211. | $39,886 | KY0350107001 / 656 |
| 212. | $39,861 | TN1839685001 / 1,865 |
| 213. | $39,805 | TN0210703002 / 1,485 |
| 214. | $39,803 | KY0472002002 / 1,634 |
| 215. | $39,688 | TN1251010012 / 3,754 |
| 216. | $39,500 | KY2199502004 / 1,748 |
| 217. | $39,464 | KY0350105004 / 928 |
| 218. | $39,417 | TN1251019031 / 3,303 |
| 219. | $39,414 | KY0472013012 / 848 |
| 220. | $39,375 | TN0799691002 / 1,038 |
| 221. | $39,306 | KY0472015014 / 1,017 |
| 222. | $39,250 | TN0799695002 / 1,279 |
| 223. | $38,990 | KY0472010002 / 950 |
| 224. | $38,831 | TN0799696005 / 1,213 |
| 225. | $38,750 | TN1611107001 / 2,286 |
| 225. | $38,750 | TN1839680001 / 1,370 |
| 227. | $38,714 | TN0799691003 / 690 |
| 228. | $38,611 | TN0059631003 / 715 |
| 229. | $38,533 | KY1390402003 / 1,538 |
| 230. | $38,375 | KY0472014002 / 1,847 |
| 231. | $38,239 | TN1611107003 / 1,025 |
| 232. | $38,190 | KY1579506003 / 1,296 |
| 233. | $38,102 | TN1251013032 / 1,371 |
| 233. | $38,102 | KY1579504002 / 1,348 |
| 235. | $38,000 | TN0059634003 / 1,668 |
| 236. | $37,917 | TN0179621001 / 1,175 |
| 237. | $37,740 | KY1579505004 / 1,323 |
| 238. | $37,500 | TN1251007002 / 807 |
| 239. | $37,448 | TN1611106001 / 1,921 |
| 240. | $37,425 | KY0472011003 / 1,214 |
| 241. | $37,333 | TN0851303004 / 476 |
| 242. | $37,273 | KY1079710002 / 1,109 |
| 243. | $37,095 | KY1579504001 / 2,005 |
| 244. | $37,072 | KY1079713004 / 1,186 |
| 245. | $37,067 | TN1251011022 / 3,116 |
| 246. | $36,923 | KY1079710003 / 742 |
| 247. | $36,838 | KY0559304002 / 509 |
| 248. | $36,825 | KY1439601005 / 1,625 |
| 249. | $36,765 | TN1251017001 / 1,281 |
| 250. | $36,250 | KY1579506004 / 975 |
| 251. | $35,963 | KY0472007002 / 2,258 |
| 252. | $35,909 | TN0799696001 / 966 |
| 253. | $35,897 | TN1251016003 / 1,781 |
| 254. | $35,833 | KY0472015015 / 1,053 |
| 255. | $35,800 | TN0059632002 / 1,185 |
| 256. | $35,721 | KY0472008001 / 2,237 |
| 257. | $35,673 | TN1251006021 / 936 |
| 258. | $35,602 | KY0472015022 / 1,461 |
| 259. | $35,556 | KY0472013023 / 2,273 |
| 260. | $35,469 | KY1579501004 / 1,245 |
| 261. | $35,417 | KY0472010001 / 1,059 |
| 262. | $35,363 | KY0339202003 / 1,114 |
| 263. | $35,335 | TN0430605023 / 933 |
| 264. | $35,250 | TN1839687001 / 806 |
| 265. | $35,109 | KY0472015013 / 942 |
| 266. | $34,952 | KY0339201001 / 1,036 |
| 267. | $34,939 | TN1251011024 / 2,027 |
| 268. | $34,886 | TN0179620003 / 1,772 |
| 269. | $34,732 | TN0059632001 / 970 |
| 270. | $34,698 | KY2199502001 / 1,234 |
| 271. | $34,688 | TN0799690004 / 1,017 |
| 272. | $34,554 | KY1579503001 / 799 |
| 273. | $34,524 | KY0830202002 / 1,496 |
| 274. | $34,487 | TN0831203002 / 1,368 |
| 275. | $34,434 | KY0350102003 / 1,282 |
| 276. | $34,297 | TN0851302001 / 1,115 |
| 277. | $34,232 | KY1579506005 / 1,666 |
| 278. | $34,213 | TN1611106002 / 800 |
| 279. | $34,158 | KY0472007001 / 880 |
| 280. | $34,125 | KY1079711001 / 522 |
| 281. | $34,107 | TN0059631001 / 1,124 |
| 282. | $34,003 | KY2199502002 / 1,659 |
| 283. | $33,967 | TN0799697002 / 1,062 |
| 284. | $33,935 | TN0210701041 / 1,406 |
| 285. | $33,872 | TN0059630002 / 1,780 |
| 286. | $33,816 | TN0831201002 / 1,811 |
| 287. | $33,702 | KY0472011002 / 1,363 |
| 288. | $33,274 | KY2199501001 / 1,140 |
| 289. | $33,050 | KY0472015012 / 1,330 |
| 290. | $33,026 | TN0851301004 / 1,201 |
| 291. | $32,955 | TN0831203001 / 1,024 |
| 292. | $32,917 | TN1251013043 / 1,466 |
| 293. | $32,727 | TN1251002001 / 598 |
| 294. | $32,708 | TN1611107002 / 1,211 |
| 295. | $32,588 | KY0830202001 / 1,218 |
| 296. | $32,466 | KY0830205002 / 624 |
| 297. | $32,344 | TN0179620004 / 853 |
| 298. | $32,321 | TN0179620001 / 523 |
| 299. | $32,304 | TN0851304001 / 805 |
| 300. | $32,250 | TN0799693001 / 712 |
| 301. | $32,128 | KY1390402005 / 1,085 |
| 302. | $32,083 | KY1579505003 / 1,573 |
| 303. | $32,027 | KY0472011001 / 1,372 |
| 304. | $31,849 | KY0830208002 / 2,074 |
| 305. | $31,786 | KY0339203001 / 821 |
| 306. | $31,731 | KY1439601001 / 2,421 |
| 307. | $31,563 | KY1419604004 / 1,140 |
| 308. | $31,507 | TN0059630001 / 1,870 |
| 309. | $31,339 | TN0799694001 / 1,638 |
| 310. | $31,290 | KY0472013022 / 1,848 |
| 311. | $31,250 | TN1611102004 / 1,159 |
| 311. | $31,250 | TN0799698002 / 1,319 |
| 311. | $31,250 | TN0851303005 / 1,293 |
| 314. | $31,193 | TN0179620002 / 980 |
| 315. | $31,188 | TN1611102002 / 1,353 |
| 316. | $31,181 | TN1251013042 / 1,163 |
| 317. | $31,176 | KY0830207003 / 1,071 |
| 318. | $31,157 | TN1251016002 / 797 |
| 319. | $31,008 | KY0472015016 / 816 |
| 320. | $30,982 | TN1251012021 / 1,553 |
| 321. | $30,952 | KY2219702001 / 2,009 |
| 322. | $30,842 | TN0831202001 / 1,633 |
| 323. | $30,823 | KY2219703001 / 1,297 |
| 324. | $30,590 | TN0210703001 / 2,229 |
| 325. | $30,444 | TN1251005002 / 1,068 |
| 326. | $30,368 | KY0350101002 / 1,077 |
| 327. | $30,208 | KY1079711004 / 963 |
| 328. | $29,769 | TN0799695001 / 627 |
| 329. | $29,647 | KY1579506002 / 903 |
| 330. | $29,621 | KY0830203004 / 791 |
| 331. | $29,612 | KY0830203003 / 1,177 |
| 332. | $29,423 | TN0059634001 / 1,407 |
| 333. | $29,412 | TN1839684002 / 933 |
| 334. | $29,211 | KY0339202004 / 793 |
| 335. | $28,941 | TN1251009001 / 1,364 |
| 336. | $28,875 | KY0472003004 / 878 |
| 337. | $28,846 | TN1839687002 / 516 |
| 338. | $28,810 | TN0059633002 / 927 |
| 339. | $28,750 | KY0350104001 / 1,241 |
| 340. | $28,611 | TN0059633003 / 1,575 |
| 341. | $28,478 | KY1079711002 / 737 |
| 342. | $28,469 | TN1251003001 / 1,678 |
| 343. | $28,194 | TN0799695004 / 1,486 |
| 344. | $27,955 | TN0851303001 / 893 |
| 345. | $27,703 | KY2199501002 / 1,803 |
| 346. | $27,421 | TN0430606023 / 976 |
| 347. | $27,313 | KY0472013021 / 1,198 |
| 348. | $27,303 | KY0472004001 / 1,379 |
| 349. | $27,287 | KY0830201004 / 815 |
| 350. | $27,245 | KY2219702002 / 1,102 |
| 351. | $27,167 | TN1251009002 / 1,463 |
| 352. | $27,083 | KY0350104002 / 1,012 |
| 353. | $26,960 | TN1251005003 / 2,605 |
| 354. | $26,897 | TN0799695003 / 1,493 |
| 355. | $26,752 | KY0472005001 / 1,428 |
| 356. | $26,696 | KY0472008002 / 731 |
| 357. | $26,250 | TN0430606013 / 1,056 |
| 357. | $26,250 | TN0059633001 / 1,181 |
| 359. | $25,526 | KY0339202002 / 879 |
| 360. | $25,300 | TN0799693004 / 1,350 |
| 361. | $24,881 | KY0350108001 / 790 |
| 362. | $24,500 | KY0350105003 / 831 |
| 363. | $24,180 | TN0851302002 / 909 |
| 364. | $23,819 | KY0339203002 / 950 |
| 365. | $22,891 | KY0350106001 / 733 |
| 366. | $22,598 | KY0472015011 / 478 |
| 367. | $22,500 | KY0472003002 / 1,413 |
| 368. | $22,014 | KY0472001003 / 919 |
| 369. | $21,944 | KY0350103021 / 1,244 |
| 370. | $21,798 | TN1251004002 / 1,218 |
| 371. | $21,786 | KY1079711003 / 1,135 |
| 372. | $21,607 | TN0831203003 / 506 |
| 373. | $21,387 | TN0430606021 / 2,633 |
| 374. | $21,364 | KY0472001002 / 1,222 |
| 375. | $20,773 | TN1251004001 / 1,261 |
| 376. | $20,741 | TN1251001001 / 1,006 |
| 377. | $20,481 | TN1251002002 / 1,244 |
| 378. | $20,427 | KY0339202005 / 1,036 |
| 379. | $20,000 | KY0830203001 / 1,416 |
| 380. | $19,688 | TN0179622012 / 1,718 |
| 381. | $19,504 | KY0472001001 / 938 |
| 382. | $19,237 | KY0830201001 / 923 |
| 383. | $19,180 | TN1251008002 / 399 |
| 384. | $19,156 | KY0472002001 / 3,371 |
| 385. | $19,120 | TN1839685002 / 1,360 |
| 386. | $19,085 | TN0430605012 / 437 |
| 387. | $17,961 | KY0350103022 / 2,556 |
| 388. | $17,522 | KY0830201002 / 761 |
| 389. | $16,976 | TN0799694002 / 710 |
| 390. | $16,000 | KY0472003001 / 520 |
| 391. | $15,667 | KY0472004002 / 1,657 |
| 392. | $14,224 | TN1251008001 / 2,479 |
| 393. | $14,012 | TN0799693002 / 1,054 |
| 394. | $12,981 | KY0830203002 / 1,026 |
| 395. | $11,694 | TN0799693003 / 495 |
| 396. | $6,563 | KY0350103011 / 1,324 |
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.