Rank | Percentage of Houses with a Value of $1 Million or More ▼ | School District / Population |
1. | 11.7% | Bloomfield Hills School District / 36,586 |
2. | 10.8% | New Buffalo Area School District / 4,824 |
3. | 10.7% | Leland Public School District / 4,009 |
4. | 10.5% | Glen Lake Community Schools / 5,190 |
5. | 8.8% | Northport Public School District / 1,955 |
6. | 7.3% | Birmingham City School District / 55,505 |
7. | 7.2% | Mackinac Island Public Schools / 344 |
8. | 7.0% | Harbor Springs School District / 7,060 |
9. | 6.1% | Charlevoix Public Schools / 9,175 |
10. | 6.0% | Bois Blanc Pines School District / 85 |
11. | 6.0% | Republic-Michigamme Schools / 1,350 |
12. | 5.7% | Elk Rapids Schools / 9,001 |
13. | 4.9% | Grant Township School District 2 / 116 |
14. | 4.8% | Autrain-Onota Public Schools / 717 |
15. | 4.5% | Beaver Island Community School / 454 |
15. | 4.5% | Frankfort-Elberta Area Schools / 4,047 |
17. | 4.2% | Petoskey Public Schools / 18,751 |
18. | 4.1% | Ganges School District 4 / 395 |
19. | 4.0% | Gull Lake Community Schools / 15,973 |
20. | 3.8% | Grosse Ile Township Schools / 10,118 |
21. | 3.8% | West Bloomfield School District / 33,995 |
22. | 3.4% | South Haven Public Schools / 14,735 |
23. | 3.2% | Suttons Bay Public Schools / 5,857 |
24. | 3.1% | Saugatuck Public Schools / 4,349 |
25. | 3.1% | Central Lake Public Schools / 3,774 |
25. | 3.1% | Sodus Township School District 5 / 204 |
27. | 3.0% | Lakeshore School District / 17,439 |
28. | 3.0% | Fennville Public Schools / 8,886 |
29. | 2.9% | Grosse Pointe Public Schools / 47,902 |
30. | 2.8% | Rudyard Area Schools / 10,826 |
31. | 2.8% | River Valley School District / 8,507 |
32. | 2.6% | Pellston Public Schools / 5,652 |
33. | 2.6% | Boyne City Public Schools / 8,234 |
34. | 2.6% | Berlin Township School District 3 / 343 |
35. | 2.5% | Northville Public Schools / 37,832 |
36. | 2.4% | Whiteford Agricultural School District / 4,322 |
37. | 2.4% | Onekama Consolidated Schools / 3,400 |
38. | 2.3% | Bellaire Public Schools / 3,767 |
39. | 2.3% | Grand Haven Area Public Schools / 39,238 |
40. | 2.3% | Burt Township School District / 431 |
41. | 2.2% | Watersmeet Township School District / 1,423 |
42. | 2.1% | West Ottawa Public School District / 47,025 |
43. | 2.0% | Athens Area Schools / 4,860 |
44. | 2.0% | Covert Public Schools / 3,267 |
45. | 2.0% | Big Jackson School District / 424 |
46. | 1.9% | Mancelona Public Schools / 6,937 |
47. | 1.8% | Spring Lake Public Schools / 12,383 |
48. | 1.7% | Les Cheneaux Community Schools / 2,067 |
49. | 1.7% | Perry Public School District / 9,931 |
50. | 1.7% | Dryden Community Schools / 4,296 |
50. | 1.7% | East Jordan Public Schools / 6,523 |
52. | 1.6% | Stanton Township Public Schools / 1,203 |
52. | 1.6% | East Grand Rapids Public School District / 10,886 |
54. | 1.6% | Cassopolis Public Schools / 8,530 |
54. | 1.6% | Imlay City Community Schools / 12,223 |
56. | 1.5% | Chelsea School District / 16,492 |
57. | 1.5% | Pentwater Public School District / 1,899 |
58. | 1.5% | Forest Hills Public Schools / 43,790 |
59. | 1.5% | Kelloggsville Public Schools / 12,221 |
60. | 1.5% | Holland City School District / 37,894 |
61. | 1.4% | Ann Arbor Public Schools / 163,198 |
62. | 1.4% | Fitzgerald Public Schools / 17,909 |
63. | 1.4% | Haslett Public Schools / 15,847 |
64. | 1.4% | DeTour Area Schools / 1,961 |
65. | 1.4% | Schoolcraft Community Schools / 5,239 |
66. | 1.4% | Houghton-Portage Township Schools / 9,528 |
66. | 1.4% | Ellsworth Community Schools / 1,716 |
68. | 1.3% | Romeo Community Schools / 32,599 |
69. | 1.3% | Concord Community Schools / 5,536 |
70. | 1.3% | Bridgman Public Schools / 5,470 |
71. | 1.3% | Caro Community Schools / 11,672 |
72. | 1.2% | Rochester Community School District / 85,881 |
73. | 1.2% | White Pigeon Community Schools / 6,841 |
74. | 1.2% | Brighton Area Schools / 36,908 |
75. | 1.2% | Saline Area Schools / 24,904 |
75. | 1.2% | Parchment School District / 10,814 |
77. | 1.2% | Clarkston Community School District / 42,055 |
78. | 1.2% | Mendon Community School District / 3,699 |
78. | 1.2% | Mount Morris Consolidated School District / 15,656 |
80. | 1.2% | Gerrish-Higgins School District / 12,994 |
80. | 1.2% | Oxford Area Community Schools / 23,258 |
82. | 1.1% | Orchard View Schools / 17,967 |
83. | 1.1% | Algonac Community School District / 16,503 |
83. | 1.1% | Grant Public School District / 9,835 |
85. | 1.1% | Adrian City School District / 30,691 |
86. | 1.1% | Airport Community School District / 20,958 |
86. | 1.1% | Comstock Public Schools / 16,034 |
86. | 1.1% | Almont Community Schools / 9,280 |
89. | 1.0% | South Lyon Community Schools / 39,480 |
90. | 1.0% | Posen Consolidated School District / 1,958 |
90. | 1.0% | Ionia Township School District 2 / 798 |
90. | 1.0% | St. Joseph Public Schools / 19,027 |
93. | 1.0% | Traverse City Area Public Schools / 76,476 |
93. | 1.0% | Name N/A / 14,105 |
95. | 1.0% | Bath Community Schools / 8,223 |
96. | 1.0% | Coloma Community Schools / 10,308 |
96. | 1.0% | Hartford Public School District / 6,558 |
96. | 1.0% | Vanderbilt Area Schools / 2,185 |
99. | 0.9% | Boyne Falls Public School District / 1,859 |
99. | 0.9% | Walled Lake Consolidated Schools / 96,659 |
101. | 0.9% | Williamston Community Schools / 10,249 |
102. | 0.9% | Lowell Area Schools / 21,447 |
102. | 0.9% | Pontiac City School District / 83,421 |
104. | 0.9% | Constantine Public School District / 7,848 |
104. | 0.9% | Hartland Consolidated Schools / 27,196 |
106. | 0.9% | Summerfield School District / 4,672 |
107. | 0.9% | Essexville-Hampton Public Schools / 8,858 |
107. | 0.9% | Deckerville Community School District / 4,481 |
109. | 0.8% | New Haven Community Schools / 11,742 |
109. | 0.8% | Fenton Area Public Schools / 21,128 |
109. | 0.8% | Moran Township School District / 898 |
112. | 0.8% | Manistee Area Schools / 13,099 |
113. | 0.8% | Cass City Public Schools / 8,234 |
113. | 0.8% | Alcona Community Schools / 7,370 |
113. | 0.8% | East Lansing School District / 52,543 |
116. | 0.8% | Dansville Schools / 5,083 |
116. | 0.8% | Novi Community School District / 30,840 |
118. | 0.8% | Dexter Community School District / 18,640 |
119. | 0.8% | Montague Area Public Schools / 8,748 |
120. | 0.8% | Lakewood Public Schools / 13,687 |
121. | 0.8% | Alba Public Schools / 1,104 |
122. | 0.7% | Huron Valley Schools / 59,423 |
122. | 0.7% | Columbia School District / 12,259 |
124. | 0.7% | Ludington Area School District / 15,555 |
125. | 0.7% | St. Johns Public Schools / 18,150 |
125. | 0.7% | Anchor Bay School District / 38,539 |
125. | 0.7% | Hastings Area School District / 18,967 |
128. | 0.7% | Hopkins Public Schools / 8,122 |
128. | 0.7% | Croswell-Lexington Community School District / 14,587 |
130. | 0.7% | Linden Community Schools / 17,542 |
131. | 0.7% | Bark River-Harris School District / 3,280 |
131. | 0.7% | Okemos Public Schools / 22,342 |
131. | 0.7% | L'Anse Creuse Public Schools / 69,632 |
134. | 0.7% | North Dickinson County Schools / 2,460 |
134. | 0.7% | Laingsburg Community School District / 5,660 |
134. | 0.7% | Coopersville Public School District / 12,269 |
137. | 0.7% | Port Huron Area School District / 69,180 |
138. | 0.6% | Pinconning Area Schools / 12,164 |
139. | 0.6% | Madison Public Schools / 12,675 |
140. | 0.6% | Waterford School District / 76,898 |
140. | 0.6% | Bridgeport-Spaulding Community School District / 13,047 |
140. | 0.6% | Union City Community Schools / 6,227 |
143. | 0.6% | Kenowa Hills Public Schools / 23,954 |
143. | 0.6% | Lapeer Community Schools / 42,996 |
145. | 0.6% | Ewen-Trout Creek Consolidated Schools / 2,779 |
145. | 0.6% | Lakeville Community Schools / 12,307 |
145. | 0.6% | Inland Lakes Schools / 6,179 |
145. | 0.6% | Monroe Public Schools / 49,103 |
149. | 0.6% | Ravenna Public Schools / 5,943 |
150. | 0.6% | Manchester Community Schools / 7,434 |
151. | 0.6% | Troy School District / 64,440 |
152. | 0.6% | Dollar Bay-Tamarack City Area Schools / 1,528 |
152. | 0.6% | Tawas Area Schools / 11,258 |
152. | 0.6% | Brandon School District / 17,231 |
155. | 0.5% | Hesperia Community Schools / 5,650 |
155. | 0.5% | Grand Ledge Public Schools / 33,164 |
155. | 0.5% | Big Bay de Noc School District / 2,032 |
158. | 0.5% | Memphis Community Schools / 5,664 |
158. | 0.5% | Montrose Community Schools / 7,716 |
158. | 0.5% | Kaleva Norman Dickson School District / 5,112 |
158. | 0.5% | Genesee School District / 3,941 |
162. | 0.5% | Berkley School District / 27,704 |
162. | 0.5% | Ashley Community Schools / 1,925 |
162. | 0.5% | Van Buren Public Schools / 46,046 |
165. | 0.5% | North Central Area Schools / 2,875 |
165. | 0.5% | Kent City Community Schools / 7,501 |
167. | 0.5% | Marysville Public Schools / 14,067 |
167. | 0.5% | Freeland Community School District / 11,108 |
167. | 0.5% | Three Rivers Community Schools / 17,215 |
167. | 0.5% | Farmington Public School District / 82,850 |
167. | 0.5% | Carman-Ainsworth Community School District / 32,772 |
172. | 0.5% | Holt Public Schools / 29,849 |
172. | 0.5% | North Adams-Jerome Schools / 3,518 |
174. | 0.5% | Kingston Community School District / 3,662 |
174. | 0.5% | Gladstone Area Schools / 9,830 |
174. | 0.5% | Woodhaven-Brownstown School District / 31,605 |
174. | 0.5% | Breitung Township Schools / 11,274 |
178. | 0.5% | Frankenmuth School District / 9,348 |
178. | 0.5% | Mason County Central Schools / 8,264 |
178. | 0.5% | Oscoda Area Schools / 12,884 |
178. | 0.5% | Hamilton Community Schools / 14,727 |
182. | 0.5% | Benton Harbor Area Schools / 32,484 |
182. | 0.5% | Capac Community School District / 8,730 |
182. | 0.5% | Brown City Community School District / 5,079 |
182. | 0.5% | Rockford Public Schools / 38,322 |
186. | 0.5% | Northwest School District / 24,893 |
186. | 0.5% | Huron School District / 13,844 |
186. | 0.5% | Pennfield School District / 9,031 |
186. | 0.5% | Godfrey-Lee Public Schools / 6,304 |
190. | 0.4% | Morrice Area Schools / 4,052 |
190. | 0.4% | Fremont Public School District / 13,966 |
190. | 0.4% | Niles Community School District / 23,381 |
190. | 0.4% | Clarenceville School District / 11,167 |
194. | 0.4% | Plymouth-Canton Community Schools / 109,055 |
194. | 0.4% | Crawford AuSable Schools / 12,564 |
194. | 0.4% | Cadillac Area Public Schools / 20,958 |
197. | 0.4% | Hart Public School District / 9,201 |
197. | 0.4% | Britton-Macon Area School District / 2,356 |
197. | 0.4% | Yale Public Schools / 11,696 |
200. | 0.4% | Carsonville-Port Sanilac School District / 3,471 |
200. | 0.4% | Hanover-Horton Schools / 7,020 |
200. | 0.4% | Sparta Area Schools / 14,812 |
200. | 0.4% | Wolverine Community Schools / 2,863 |
200. | 0.4% | Kentwood Public Schools / 59,192 |
200. | 0.4% | Owosso Public Schools / 24,871 |
206. | 0.4% | Reeths-Puffer Schools / 21,198 |
206. | 0.4% | Wayne-Westland Community School District / 91,079 |
208. | 0.4% | Willow Run Community Schools / 18,918 |
208. | 0.4% | Allendale Public School District / 18,331 |
208. | 0.4% | Central Montcalm Public Schools / 11,204 |
208. | 0.4% | Berrien Springs Public Schools / 13,938 |
212. | 0.4% | Stockbridge Community Schools / 10,228 |
212. | 0.4% | Engadine Consolidated Schools / 1,907 |
212. | 0.4% | Royal Oak City School District / 57,735 |
212. | 0.4% | Carney-Nadeau Public Schools / 1,333 |
212. | 0.4% | Deerfield Public Schools / 1,781 |
212. | 0.4% | Corunna Public School District / 10,360 |
212. | 0.4% | Marlette Community Schools / 7,147 |
212. | 0.4% | Utica Community Schools / 172,791 |
212. | 0.4% | Howell Public Schools / 52,017 |
212. | 0.4% | Lakeview Public Schools / 19,904 |
222. | 0.4% | Wayland Union Schools / 18,185 |
222. | 0.4% | Mona Shores Public School District / 22,707 |
222. | 0.4% | Houghton Lake Community School District / 15,320 |
222. | 0.4% | Onaway Area Community School District / 5,429 |
226. | 0.4% | Ovid-Elsie Area Schools / 8,820 |
226. | 0.4% | Akron-Fairgrove Schools / 3,173 |
226. | 0.4% | Milan Area Schools / 15,382 |
226. | 0.4% | Lincoln Consolidated School District / 29,502 |
226. | 0.4% | Godwin Heights Public Schools / 11,688 |
226. | 0.4% | White Cloud Public Schools / 7,808 |
232. | 0.4% | Whitmore Lake Public Schools / 9,424 |
232. | 0.4% | Chassell Township School District / 1,663 |
232. | 0.4% | Ironwood Area Schools / 7,661 |
232. | 0.4% | Beal City Public Schools / 2,644 |
236. | 0.3% | Davison Community Schools / 31,293 |
236. | 0.3% | Bronson Community School District / 7,706 |
236. | 0.3% | Lakeview Community Schools / 11,011 |
236. | 0.3% | Gibraltar School District / 20,012 |
236. | 0.3% | Quincy Community School District / 7,571 |
236. | 0.3% | Galien Township School District / 2,709 |
236. | 0.3% | Paw Paw Public School District / 12,928 |
243. | 0.3% | Grandville Public Schools / 38,863 |
243. | 0.3% | Cheboygan Area Schools / 14,681 |
243. | 0.3% | St. Ignace Area Schools / 4,158 |
243. | 0.3% | Buckley Community School District / 2,659 |
247. | 0.3% | Battle Creek Public Schools / 44,706 |
247. | 0.3% | Mount Pleasant City School District / 43,944 |
247. | 0.3% | Gobles Public School District / 5,561 |
247. | 0.3% | Byron Area Schools / 6,554 |
247. | 0.3% | Mason Consolidated Schools / 7,985 |
247. | 0.3% | Tahquamenon Area Schools / 8,189 |
253. | 0.3% | Stephenson Area Public Schools / 5,905 |
253. | 0.3% | Shelby Public Schools / 8,412 |
253. | 0.3% | Addison Community Schools / 8,026 |
253. | 0.3% | Hillsdale Community Schools / 14,564 |
253. | 0.3% | Warren Woods Public Schools / 21,368 |
258. | 0.3% | Escanaba Area Public Schools / 19,853 |
258. | 0.3% | Ionia Public Schools / 22,474 |
258. | 0.3% | Portage Public Schools / 50,903 |
258. | 0.3% | Midland Public Schools / 51,634 |
262. | 0.3% | Pinckney Community Schools / 26,261 |
262. | 0.3% | Whittemore-Prescott Area Schools / 6,834 |
262. | 0.3% | Holly Area School District / 28,189 |
262. | 0.3% | Lakeview School District / 22,718 |
262. | 0.3% | Sturgis Public Schools / 16,700 |
262. | 0.3% | Sault Ste. Marie Area Schools / 20,197 |
262. | 0.3% | Delton-Kellogg School District / 12,643 |
269. | 0.3% | Armada Area Schools / 9,445 |
269. | 0.3% | Edwardsburg Public Schools / 11,025 |
269. | 0.3% | Homer Community Schools / 4,432 |
269. | 0.3% | Marion Public Schools / 4,206 |
269. | 0.3% | Cedar Springs Public Schools / 18,361 |
274. | 0.3% | Saginaw City School District / 60,879 |
274. | 0.3% | Taylor School District / 64,784 |
276. | 0.3% | East China School District / 31,052 |
276. | 0.3% | Comstock Park Public Schools / 15,119 |
276. | 0.3% | Otsego Public Schools / 13,749 |
276. | 0.3% | Avondale School District / 25,545 |
276. | 0.3% | Bay City School District / 71,213 |
276. | 0.3% | Benzie County Central School / 13,955 |
276. | 0.3% | North Huron School District / 3,557 |
283. | 0.3% | Camden-Frontier School District / 3,931 |
283. | 0.3% | Maple Valley Schools / 8,730 |
283. | 0.3% | Mount Clemens Community School District / 21,830 |
283. | 0.3% | Thornapple Kellogg School District / 13,682 |
283. | 0.3% | Kearsley Community Schools / 17,547 |
288. | 0.2% | Bangor Township Schools / 15,113 |
288. | 0.2% | Climax-Scotts Community School District / 3,579 |
288. | 0.2% | Vicksburg Community Schools / 14,473 |
288. | 0.2% | Chippewa Valley Schools / 94,351 |
288. | 0.2% | Melvindale-North Allen Park School District / 15,674 |
293. | 0.2% | Lawrence Public School District / 3,877 |
293. | 0.2% | Lamphere Public Schools / 16,859 |
293. | 0.2% | Fraser Public Schools / 28,234 |
293. | 0.2% | Saginaw Township Community Schools / 38,929 |
293. | 0.2% | Bad Axe Public Schools / 6,571 |
293. | 0.2% | Dundee Community Schools / 8,871 |
299. | 0.2% | Breckenridge Community Schools / 5,636 |
299. | 0.2% | Flint City School District / 114,367 |
299. | 0.2% | Chippewa Hills School District / 18,890 |
299. | 0.2% | Mayville Community School District / 7,112 |
299. | 0.2% | Oakridge Public Schools / 9,903 |
299. | 0.2% | Livonia Public Schools / 109,649 |
305. | 0.2% | Morley Stanwood Community Schools / 9,213 |
305. | 0.2% | Byron Center Public Schools / 21,793 |
305. | 0.2% | Wyandotte City School District / 25,472 |
308. | 0.2% | Gaylord Community Schools / 20,084 |
309. | 0.2% | Marshall Public Schools / 13,622 |
309. | 0.2% | L'Anse Area Schools / 4,952 |
309. | 0.2% | Clinton Community Schools / 6,324 |
309. | 0.2% | Lansing Public School District / 121,089 |
309. | 0.2% | Reese Public Schools / 6,450 |
309. | 0.2% | Dowagiac Union Schools / 15,600 |
315. | 0.2% | Zeeland Public Schools / 29,931 |
315. | 0.2% | Mason Public Schools / 18,678 |
315. | 0.2% | Reading Community Schools / 5,036 |
315. | 0.2% | Detroit City School District / 916,133 |
315. | 0.2% | Northview Public School District / 16,417 |
320. | 0.2% | Van Dyke Public Schools / 21,002 |
320. | 0.2% | Forest Park School District / 4,474 |
320. | 0.2% | Standish-Sterling Community School District / 11,071 |
320. | 0.2% | Portland Public School District / 11,164 |
320. | 0.2% | Rogers City Area Schools / 5,743 |
320. | 0.2% | Fowlerville Community Schools / 16,594 |
320. | 0.2% | Onsted Community Schools / 9,753 |
327. | 0.2% | Center Line Public Schools / 19,517 |
327. | 0.2% | Lake Linden-Hubbell School District / 3,793 |
327. | 0.2% | Kalkaska Public Schools / 12,766 |
327. | 0.2% | Jackson Public Schools / 57,274 |
327. | 0.2% | Montabella Community Schools / 7,328 |
327. | 0.2% | Grand Blanc Community Schools / 47,131 |
327. | 0.2% | Morenci Area Schools / 4,266 |
327. | 0.2% | West Branch-Rose City Area Schools / 16,767 |
327. | 0.2% | Coleman Community School District / 5,662 |
327. | 0.2% | Jenison Public Schools / 26,448 |
337. | 0.2% | Grand Rapids Public Schools / 187,050 |
337. | 0.2% | Coldwater Community Schools / 24,152 |
337. | 0.2% | Marquette Area Public Schools / 31,500 |
337. | 0.2% | Alpena Public Schools / 31,426 |
337. | 0.2% | Southfield Public School District / 72,857 |
337. | 0.2% | Crestwood School District / 26,389 |
343. | 0.1% | Dearborn City School District / 95,698 |
343. | 0.1% | Waverly Community Schools / 19,591 |
343. | 0.1% | Mio-AuSable Schools / 5,827 |
343. | 0.1% | Pewamo-Westphalia Community School District / 4,510 |
343. | 0.1% | Sandusky Community School District / 7,154 |
343. | 0.1% | Galesburg-Augusta Community School District / 6,683 |
349. | 0.1% | Beaverton Rural Schools / 10,105 |
349. | 0.1% | Gladwin Community Schools / 14,386 |
349. | 0.1% | Garden City School District / 27,814 |
349. | 0.1% | Baldwin Community Schools / 7,243 |
349. | 0.1% | Bedford Public Schools / 31,316 |
354. | 0.1% | South Redford School District / 21,237 |
354. | 0.1% | Caledonia Community Schools / 20,966 |
354. | 0.1% | Elkton-Pigeon-Bay Port Schools / 6,970 |
357. | 0.1% | Harbor Beach Community Schools / 4,842 |
357. | 0.1% | Harper Creek Community Schools / 15,407 |
357. | 0.1% | Ferndale Public Schools / 25,949 |
357. | 0.1% | McBain Rural Agricultural Schools / 5,919 |
357. | 0.1% | Decatur Public Schools / 5,887 |
362. | 0.1% | Lake Shore Public Schools / 22,260 |
362. | 0.1% | Allegan Public Schools / 17,377 |
362. | 0.1% | Bellevue Community Schools / 5,845 |
365. | 0.1% | Reed City Area Public Schools / 11,467 |
366. | 0.1% | Whitehall School District / 12,470 |
366. | 0.1% | Lincoln Park Public Schools / 36,241 |
366. | 0.1% | Warren Consolidated Schools / 113,135 |
369. | 0.1% | Kalamazoo Public School District / 105,425 |
369. | 0.1% | Menominee Area Public Schools / 12,275 |
369. | 0.1% | Lake Orion Community Schools / 39,606 |
369. | 0.1% | Calumet Public Schools / 8,833 |
369. | 0.1% | West Iron County Public Schools / 7,449 |
374. | 0.1% | Harrison Community Schools / 13,254 |
374. | 0.1% | Western School District / 13,280 |
374. | 0.1% | Albion Public Schools / 12,512 |
374. | 0.1% | East Detroit Public Schools / 37,554 |
378. | 0.1% | Charlotte Public Schools / 18,899 |
379. | 0.0% | South Lake Schools / 21,285 |
Please note that we only rank locations with 'Percentage of Houses with a Value of $1 Million or More' data. The rank above might not be a complete list. Locations without 'Percentage of Houses with a Value of $1 Million or More' 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.