A total of 442 results found. Show Results on Map.
Rank | House Median Value ▼ | Census Block Group / Population |
1. | $301,100 | IL0770114002 / 947 |
2. | $221,100 | IL1194037022 / 1,387 |
3. | $213,200 | IL0279001001 / 1,335 |
4. | $205,700 | IL1899502005 / 869 |
5. | $199,600 | IL0059512002 / 1,188 |
6. | $197,300 | IL0770110001 / 1,831 |
7. | $187,700 | IL0770110002 / 1,761 |
8. | $184,900 | IL0279004024 / 757 |
9. | $181,900 | IL0770116002 / 1,227 |
10. | $181,500 | IL1635043031 / 1,536 |
11. | $180,200 | IL0810506002 / 603 |
12. | $175,000 | IL1635040022 / 999 |
13. | $171,200 | IL1990213002 / 1,803 |
14. | $169,400 | IL1990210001 / 1,722 |
15. | $165,800 | IL0279004021 / 1,039 |
16. | $164,700 | IL0279001002 / 761 |
17. | $162,800 | IL1990214001 / 1,782 |
18. | $162,000 | IL1659562002 / 496 |
19. | $161,600 | IL1635040021 / 1,530 |
20. | $161,500 | IL0279006021 / 1,429 |
21. | $161,400 | IL1990202014 / 684 |
22. | $161,200 | IL0279003002 / 1,522 |
23. | $161,100 | IL0279006011 / 1,041 |
24. | $160,700 | IL0770109001 / 989 |
25. | $159,500 | IL1194036041 / 2,191 |
26. | $159,300 | IL1990202022 / 1,488 |
27. | $157,200 | IL0279006025 / 1,446 |
28. | $156,800 | IL0279002002 / 1,103 |
29. | $155,500 | IL0770116003 / 1,647 |
30. | $154,800 | IL1990209003 / 2,428 |
31. | $153,200 | IL0810506001 / 1,461 |
32. | $151,300 | IL0279001004 / 1,662 |
33. | $151,100 | IL0279003005 / 1,485 |
34. | $150,900 | IL0279006024 / 2,490 |
35. | $150,000 | IL0810505003 / 1,380 |
36. | $146,200 | IL1219523001 / 716 |
37. | $141,700 | IL0279003001 / 665 |
38. | $140,000 | IL0770117002 / 6,327 |
39. | $139,500 | IL0059514002 / 829 |
40. | $139,400 | IL0770112002 / 956 |
40. | $139,400 | IL1990212001 / 1,617 |
42. | $139,000 | IL0810507001 / 1,056 |
43. | $134,800 | IL0770110003 / 1,708 |
44. | $133,900 | IL0770111002 / 600 |
45. | $133,700 | IL0279006022 / 785 |
46. | $133,300 | IL1899502002 / 1,021 |
47. | $133,100 | IL1899502003 / 518 |
48. | $133,000 | IL0770108002 / 437 |
49. | $132,800 | IL0810505002 / 1,018 |
50. | $130,700 | IL1899504003 / 1,067 |
51. | $129,200 | IL1659562003 / 1,330 |
52. | $127,500 | IL0059515003 / 1,632 |
53. | $126,200 | IL1990203002 / 942 |
54. | $125,800 | IL0550405002 / 945 |
55. | $125,500 | IL0499503004 / 1,658 |
56. | $124,100 | IL0770114003 / 1,298 |
57. | $123,900 | IL1990203004 / 1,282 |
58. | $123,700 | IL0279006012 / 1,272 |
59. | $123,300 | IL0770117003 / 864 |
60. | $122,900 | IL0279001003 / 1,931 |
61. | $122,800 | IL0059513001 / 2,973 |
62. | $122,100 | IL1990213003 / 1,309 |
63. | $122,000 | IL0770108003 / 985 |
64. | $121,400 | IL1990202011 / 844 |
65. | $120,200 | IL1939584003 / 766 |
66. | $119,400 | IL1659556001 / 659 |
67. | $119,300 | IL0770104003 / 1,152 |
68. | $119,200 | IL0810508001 / 1,165 |
69. | $118,900 | IL0810501004 / 1,244 |
70. | $118,400 | IL1899504005 / 807 |
71. | $118,100 | IL1990202013 / 939 |
72. | $117,900 | IL1899503002 / 939 |
73. | $117,500 | IL1899503004 / 841 |
74. | $117,200 | IL0659732003 / 803 |
75. | $116,400 | IL1219516004 / 1,015 |
76. | $114,600 | IL0810503002 / 806 |
77. | $114,500 | IL0279003004 / 824 |
78. | $113,500 | IL1579506002 / 1,245 |
79. | $113,300 | IL1990208001 / 1,774 |
80. | $112,800 | IL0810508003 / 2,197 |
81. | $112,300 | IL1899503001 / 826 |
82. | $110,900 | IL0059515002 / 1,310 |
82. | $110,900 | IL1990212002 / 1,137 |
84. | $110,100 | IL0810505001 / 1,258 |
85. | $109,900 | IL1599779003 / 655 |
86. | $108,900 | IL0659732002 / 914 |
87. | $108,800 | IL1659557002 / 740 |
88. | $108,300 | IL0279005004 / 1,527 |
88. | $108,300 | IL1450305002 / 1,836 |
90. | $108,100 | IL1899502001 / 692 |
91. | $108,000 | IL0059513002 / 1,533 |
92. | $107,700 | IL0059515004 / 762 |
93. | $107,600 | IL0279004026 / 1,602 |
93. | $107,600 | IL0519511002 / 1,093 |
95. | $106,800 | IL1219523004 / 753 |
96. | $106,700 | IL1990207001 / 1,176 |
96. | $106,700 | IL0770106003 / 2,185 |
98. | $106,400 | IL1659556002 / 881 |
99. | $106,300 | IL1659560002 / 868 |
99. | $106,300 | IL0810506004 / 583 |
99. | $106,300 | IL1990205003 / 1,634 |
102. | $106,200 | IL0770110004 / 760 |
103. | $105,400 | IL1899504004 / 878 |
104. | $104,900 | IL1219516001 / 386 |
105. | $104,800 | IL0279004023 / 618 |
106. | $104,600 | IL0770104001 / 2,021 |
106. | $104,600 | IL1219524003 / 872 |
108. | $103,400 | IL1450301001 / 903 |
109. | $103,300 | IL1939583003 / 682 |
110. | $102,300 | IL1450302002 / 999 |
111. | $101,900 | IL1635040023 / 638 |
112. | $101,700 | IL1899502004 / 741 |
113. | $101,100 | IL1219524001 / 1,503 |
114. | $100,900 | IL1659557003 / 1,217 |
115. | $100,700 | IL0810501001 / 1,105 |
116. | $100,000 | IL0810501002 / 801 |
116. | $100,000 | IL1990209001 / 579 |
118. | $99,700 | IL1450302001 / 560 |
119. | $99,600 | IL1635043022 / 1,210 |
120. | $99,400 | IL1899503003 / 809 |
121. | $99,000 | IL0279003003 / 1,144 |
122. | $98,800 | IL1219523002 / 746 |
123. | $98,500 | IL1990206001 / 1,217 |
124. | $97,600 | IL0810507002 / 922 |
125. | $97,500 | IL0259722002 / 1,775 |
125. | $97,500 | IL1219522004 / 1,359 |
127. | $97,100 | IL1990203001 / 1,087 |
128. | $96,300 | IL0550412001 / 1,113 |
129. | $96,100 | IL0279004022 / 810 |
130. | $96,000 | IL0770110005 / 495 |
131. | $95,500 | IL0519511001 / 740 |
132. | $95,400 | IL1219522002 / 1,136 |
133. | $95,300 | IL0550406003 / 644 |
134. | $95,100 | IL1579511003 / 694 |
135. | $95,000 | IL1990214002 / 1,362 |
136. | $94,500 | IL1219522003 / 858 |
137. | $93,500 | IL0770111001 / 664 |
138. | $93,400 | IL0279002001 / 844 |
138. | $93,400 | IL1219519001 / 1,146 |
138. | $93,400 | IL0810501003 / 858 |
141. | $93,200 | IL1579505002 / 779 |
141. | $93,200 | IL0550402001 / 659 |
143. | $93,100 | IL1939581004 / 729 |
144. | $93,000 | IL1990214003 / 1,884 |
145. | $92,800 | IL0770104002 / 1,099 |
145. | $92,800 | IL1919550003 / 721 |
147. | $92,600 | IL1990202012 / 1,377 |
148. | $92,500 | IL0519508002 / 1,017 |
149. | $92,100 | IL0770101002 / 1,828 |
150. | $91,900 | IL1579511002 / 1,223 |
151. | $91,700 | IL0810504001 / 1,327 |
151. | $91,700 | IL0259721003 / 2,285 |
153. | $91,500 | IL1450302003 / 3,503 |
154. | $91,400 | IL1219523003 / 1,123 |
155. | $91,100 | IL1899501004 / 878 |
156. | $90,800 | IL1219517001 / 1,299 |
156. | $90,800 | IL0519508003 / 1,977 |
158. | $90,700 | IL1990205002 / 940 |
159. | $90,600 | IL1919553004 / 544 |
159. | $90,600 | IL0810502001 / 1,151 |
161. | $90,500 | IL1990201003 / 842 |
162. | $90,200 | IL0550405001 / 1,993 |
163. | $89,800 | IL1219520001 / 1,192 |
164. | $89,500 | IL1659561001 / 811 |
165. | $89,200 | IL1450305001 / 770 |
166. | $88,600 | IL0279004025 / 699 |
167. | $88,500 | IL0770112001 / 1,395 |
167. | $88,500 | IL0279005003 / 1,635 |
169. | $88,400 | IL0810506003 / 616 |
170. | $88,300 | IL1990208004 / 893 |
171. | $87,400 | IL0259720001 / 710 |
172. | $87,200 | IL0279003006 / 1,183 |
173. | $87,100 | IL1219517002 / 703 |
174. | $86,900 | IL1919549003 / 1,081 |
175. | $86,700 | IL0259719001 / 1,153 |
176. | $86,600 | IL0279004011 / 1,289 |
177. | $85,800 | IL1219519003 / 870 |
178. | $85,700 | IL1219520003 / 701 |
179. | $85,600 | IL1990213001 / 1,766 |
180. | $85,500 | IL0810503001 / 1,120 |
181. | $85,300 | IL1899501003 / 757 |
182. | $84,700 | IL1579505003 / 893 |
183. | $84,500 | IL0770101001 / 760 |
184. | $83,900 | IL0479570001 / 787 |
185. | $83,700 | IL1990207002 / 519 |
185. | $83,700 | IL0259720003 / 839 |
187. | $83,400 | IL0550407003 / 656 |
188. | $83,200 | IL1579506005 / 1,199 |
189. | $82,400 | IL0810502002 / 1,154 |
190. | $81,700 | IL0810503004 / 648 |
190. | $81,700 | IL1635040024 / 868 |
192. | $81,600 | IL1659558001 / 449 |
192. | $81,600 | IL0810503003 / 787 |
194. | $81,300 | IL0770106004 / 1,217 |
195. | $81,200 | IL1450302005 / 854 |
196. | $80,500 | IL0499504002 / 1,884 |
197. | $80,400 | IL0810504003 / 2,882 |
197. | $80,400 | IL1899501002 / 638 |
199. | $79,800 | IL1450301002 / 723 |
200. | $79,000 | IL0550404005 / 513 |
201. | $78,900 | IL0059513004 / 934 |
202. | $78,500 | IL0770101003 / 841 |
203. | $78,400 | IL0519510002 / 1,069 |
203. | $78,400 | IL1579507002 / 950 |
205. | $78,100 | IL0550411003 / 544 |
206. | $78,000 | IL0810508002 / 1,013 |
207. | $77,900 | IL0550412002 / 725 |
208. | $77,400 | IL1990210004 / 1,626 |
208. | $77,400 | IL1579505001 / 879 |
208. | $77,400 | IL1579506004 / 653 |
211. | $77,300 | IL1450302006 / 882 |
211. | $77,300 | IL1219520004 / 1,295 |
213. | $77,000 | IL0059515001 / 1,168 |
214. | $76,900 | IL1919549002 / 887 |
214. | $76,900 | IL1990209002 / 860 |
216. | $76,800 | IL0519508001 / 818 |
217. | $76,700 | IL0259721001 / 1,778 |
217. | $76,700 | IL0810503005 / 1,030 |
219. | $76,300 | IL1450304002 / 697 |
220. | $76,200 | IL1450301004 / 734 |
221. | $75,900 | IL0550408002 / 1,264 |
221. | $75,900 | IL1635043036 / 1,269 |
223. | $75,800 | IL0770106002 / 743 |
224. | $75,600 | IL1990201002 / 917 |
224. | $75,600 | IL0810504002 / 794 |
226. | $75,500 | IL1450303001 / 792 |
226. | $75,500 | IL0659733001 / 1,308 |
228. | $75,100 | IL0770107002 / 775 |
229. | $74,800 | IL0770107005 / 783 |
230. | $74,700 | IL0770102003 / 2,163 |
231. | $74,500 | IL1939583001 / 780 |
232. | $74,300 | IL1450306001 / 748 |
232. | $74,300 | IL1939582001 / 989 |
234. | $73,900 | IL1919551002 / 938 |
235. | $73,800 | IL0770108004 / 570 |
235. | $73,800 | IL1990202021 / 1,276 |
237. | $73,600 | IL1219516003 / 929 |
237. | $73,600 | IL1939584001 / 1,439 |
237. | $73,600 | IL1899504002 / 685 |
240. | $73,500 | IL0479570002 / 1,417 |
241. | $73,300 | IL0550411002 / 2,271 |
242. | $73,200 | IL1990202015 / 1,447 |
243. | $73,000 | IL0519510003 / 676 |
244. | $72,900 | IL0550401001 / 1,065 |
245. | $72,800 | IL1990203003 / 957 |
246. | $72,600 | IL1450306002 / 1,053 |
246. | $72,600 | IL1219518003 / 1,368 |
248. | $72,200 | IL1939581002 / 1,078 |
248. | $72,200 | IL1919549001 / 864 |
248. | $72,200 | IL1635040025 / 884 |
248. | $72,200 | IL0519509001 / 843 |
252. | $72,000 | IL0059513005 / 1,159 |
252. | $72,000 | IL0479569003 / 635 |
254. | $71,700 | IL0059512003 / 869 |
255. | $71,100 | IL0659731004 / 900 |
256. | $70,900 | IL0550409002 / 974 |
257. | $70,700 | IL0810504004 / 472 |
258. | $70,500 | IL0259719002 / 1,012 |
258. | $70,500 | IL1990210003 / 613 |
260. | $70,400 | IL0550412003 / 1,833 |
261. | $70,000 | IL1899501005 / 516 |
262. | $69,700 | IL1990208005 / 1,462 |
262. | $69,700 | IL1899501001 / 637 |
262. | $69,700 | IL0659733002 / 764 |
265. | $69,200 | IL1919552002 / 1,182 |
266. | $69,100 | IL1990212003 / 899 |
267. | $69,000 | IL1919553003 / 934 |
267. | $69,000 | IL1579511004 / 594 |
269. | $68,900 | IL0810507003 / 926 |
270. | $68,700 | IL0550402003 / 760 |
271. | $68,300 | IL1990211001 / 1,058 |
272. | $68,100 | IL0770112005 / 717 |
273. | $67,900 | IL1659556003 / 920 |
273. | $67,900 | IL1990208003 / 1,640 |
275. | $67,800 | IL1990210002 / 829 |
276. | $67,700 | IL1659557001 / 781 |
276. | $67,700 | IL1919551001 / 1,263 |
278. | $67,600 | IL0659732001 / 817 |
279. | $67,500 | IL1599783003 / 750 |
280. | $67,200 | IL1990211002 / 1,294 |
281. | $67,100 | IL0059513003 / 386 |
281. | $67,100 | IL1990212004 / 1,056 |
283. | $66,900 | IL0550408003 / 455 |
284. | $66,800 | IL1899504001 / 722 |
285. | $66,500 | IL1219520002 / 1,017 |
285. | $66,500 | IL0770108005 / 830 |
287. | $66,300 | IL1919550001 / 920 |
288. | $65,900 | IL0810502003 / 932 |
289. | $65,700 | IL1659561002 / 521 |
290. | $65,400 | IL1450306003 / 1,318 |
291. | $65,000 | IL0770107004 / 621 |
291. | $65,000 | IL0519505002 / 1,186 |
293. | $64,800 | IL0550401002 / 1,096 |
294. | $64,300 | IL1450303003 / 931 |
294. | $64,300 | IL0659731003 / 1,059 |
296. | $64,000 | IL0259721002 / 1,417 |
297. | $63,900 | IL1450302004 / 873 |
297. | $63,900 | IL1990206003 / 1,777 |
299. | $63,700 | IL0659733003 / 811 |
299. | $63,700 | IL0479569002 / 759 |
301. | $63,300 | IL1219521002 / 1,096 |
302. | $63,100 | IL1659558004 / 848 |
303. | $63,000 | IL1659560003 / 1,484 |
304. | $62,500 | IL0550406001 / 1,253 |
304. | $62,500 | IL0550403004 / 663 |
306. | $62,400 | IL1659559003 / 1,122 |
306. | $62,400 | IL1579511001 / 1,010 |
308. | $62,100 | IL0770108001 / 900 |
309. | $62,000 | IL1990205001 / 1,107 |
310. | $61,900 | IL1919550005 / 1,075 |
311. | $61,800 | IL0550401003 / 886 |
312. | $61,700 | IL1219518001 / 581 |
312. | $61,700 | IL1990207004 / 1,358 |
314. | $61,600 | IL1939581003 / 776 |
315. | $61,400 | IL0519509002 / 574 |
315. | $61,400 | IL0519510001 / 607 |
317. | $61,300 | IL1990208002 / 1,188 |
317. | $61,300 | IL1919552003 / 1,107 |
319. | $61,200 | IL1659555002 / 549 |
320. | $60,800 | IL1919549004 / 518 |
321. | $60,600 | IL0550407004 / 852 |
322. | $60,500 | IL1659559001 / 804 |
323. | $60,300 | IL1659558002 / 736 |
323. | $60,300 | IL1219518002 / 592 |
325. | $60,200 | IL1599779004 / 1,052 |
326. | $60,000 | IL1659551001 / 1,047 |
327. | $59,900 | IL0770102002 / 1,354 |
328. | $59,800 | IL1450301003 / 790 |
329. | $59,700 | IL0519505003 / 1,096 |
330. | $59,600 | IL0550411001 / 907 |
330. | $59,600 | IL1450306004 / 938 |
332. | $59,500 | IL0550403002 / 833 |
333. | $59,400 | IL0770106001 / 973 |
334. | $59,300 | IL0550404003 / 1,111 |
335. | $59,100 | IL1219526003 / 910 |
336. | $58,900 | IL0770107003 / 710 |
337. | $58,800 | IL0770107001 / 443 |
337. | $58,800 | IL1219524002 / 1,300 |
339. | $58,600 | IL0550402002 / 969 |
340. | $58,400 | IL0550408001 / 1,433 |
340. | $58,400 | IL0550404001 / 664 |
342. | $58,300 | IL1450304001 / 1,374 |
343. | $58,100 | IL1219527001 / 1,160 |
344. | $58,000 | IL1990204003 / 1,069 |
345. | $57,600 | IL0519506003 / 967 |
345. | $57,600 | IL0519511003 / 712 |
347. | $57,400 | IL0519509003 / 670 |
347. | $57,400 | IL1990204004 / 923 |
349. | $57,200 | IL0550410001 / 1,108 |
349. | $57,200 | IL0770112003 / 489 |
351. | $57,100 | IL1990207006 / 410 |
352. | $56,500 | IL1939582003 / 861 |
352. | $56,500 | IL1219522001 / 765 |
354. | $56,400 | IL0599727003 / 769 |
355. | $56,100 | IL0810511001 / 490 |
355. | $56,100 | IL1919553001 / 717 |
357. | $55,900 | IL1990204001 / 815 |
358. | $55,800 | IL0259720002 / 1,464 |
359. | $55,700 | IL0479571003 / 900 |
360. | $55,500 | IL1990204002 / 739 |
361. | $55,400 | IL1919552001 / 1,041 |
361. | $55,400 | IL0810511003 / 1,426 |
363. | $55,200 | IL1579507001 / 776 |
364. | $54,500 | IL0550410003 / 541 |
365. | $54,400 | IL0259722001 / 1,494 |
365. | $54,400 | IL0550410002 / 937 |
365. | $54,400 | IL1919551003 / 873 |
368. | $54,200 | IL0810507004 / 1,206 |
369. | $54,100 | IL1219521003 / 1,643 |
370. | $53,800 | IL0599727002 / 666 |
371. | $53,600 | IL0550407001 / 624 |
372. | $53,500 | IL1939584002 / 1,062 |
373. | $53,100 | IL1659558003 / 1,202 |
374. | $52,500 | IL0279006023 / 683 |
375. | $52,400 | IL1219519002 / 1,091 |
376. | $52,300 | IL1990207003 / 996 |
377. | $51,800 | IL0479571001 / 669 |
378. | $51,500 | IL1990201004 / 454 |
379. | $51,000 | IL1939581001 / 818 |
380. | $50,800 | IL1219517003 / 786 |
381. | $50,600 | IL0279005002 / 869 |
381. | $50,600 | IL1219521001 / 731 |
381. | $50,600 | IL0550403001 / 488 |
384. | $50,300 | IL1450304003 / 663 |
385. | $50,000 | IL0550404002 / 558 |
386. | $49,600 | IL1219526001 / 283 |
387. | $49,100 | IL1659560001 / 737 |
388. | $48,900 | IL1659559002 / 569 |
389. | $48,600 | IL0810509001 / 887 |
389. | $48,600 | IL1579506003 / 812 |
391. | $48,100 | IL0550403003 / 1,054 |
392. | $47,500 | IL1939582002 / 1,107 |
393. | $47,300 | IL1990211003 / 1,256 |
394. | $47,100 | IL0770106005 / 952 |
395. | $47,000 | IL1939583002 / 1,197 |
396. | $46,800 | IL1450303002 / 547 |
396. | $46,800 | IL1219525002 / 600 |
396. | $46,800 | IL0770102001 / 565 |
399. | $46,500 | IL1659561003 / 1,446 |
400. | $46,100 | IL1659551002 / 719 |
401. | $45,900 | IL1919550002 / 803 |
402. | $45,400 | IL0479571002 / 737 |
403. | $45,200 | IL0550404004 / 1,072 |
403. | $45,200 | IL1990201001 / 1,077 |
405. | $44,900 | IL0550409003 / 1,328 |
406. | $44,500 | IL0770109003 / 752 |
407. | $44,400 | IL1939580002 / 692 |
408. | $44,300 | IL1919553002 / 715 |
409. | $43,800 | IL0550407002 / 809 |
410. | $43,500 | IL1919550004 / 663 |
411. | $43,300 | IL1219526002 / 745 |
412. | $43,200 | IL1579506001 / 623 |
413. | $43,100 | IL1939580001 / 641 |
414. | $42,900 | IL0550409001 / 743 |
415. | $42,000 | IL0550407005 / 1,406 |
416. | $41,700 | IL1219516002 / 1,101 |
417. | $41,300 | IL0519511004 / 851 |
417. | $41,300 | IL1219527002 / 536 |
419. | $40,700 | IL1659555003 / 1,140 |
420. | $40,600 | IL0810510001 / 1,200 |
421. | $40,300 | IL1219527003 / 848 |
422. | $40,000 | IL1219525001 / 548 |
423. | $39,700 | IL1219527005 / 873 |
424. | $39,000 | IL0550402004 / 549 |
425. | $38,500 | IL0279005001 / 2,412 |
426. | $38,400 | IL0770109002 / 721 |
427. | $38,200 | IL0550406002 / 1,230 |
427. | $38,200 | IL1990206002 / 740 |
429. | $38,100 | IL1939580003 / 1,183 |
430. | $35,500 | IL0659731001 / 799 |
431. | $34,000 | IL1659555001 / 574 |
432. | $33,800 | IL1219527004 / 500 |
433. | $31,400 | IL1219525004 / 1,539 |
434. | $30,800 | IL1659551003 / 875 |
435. | $30,700 | IL0659731002 / 278 |
436. | $29,900 | IL0810509003 / 382 |
437. | $29,500 | IL0810509002 / 1,453 |
438. | $27,100 | IL1990207005 / 709 |
439. | $26,700 | IL1219525003 / 507 |
440. | $24,800 | IL0279005005 / 533 |
441. | $17,800 | IL0810511002 / 849 |
442. | $9,999 | IL0770117001 / 711 |
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.