A total of 407 results found. Show Results on Map.
Rank | Vacant Housing Units Percentage ▼ | City / Population |
1. | 87.0% | Ocean City, MD / 7,194 |
2. | 81.3% | Eagle Harbor, MD / 19 |
3. | 70.1% | Franklin, MD / 220 |
4. | 63.5% | Betterton, MD / 450 |
5. | 63.2% | Frenchtown-Rumbly, MD / 83 |
6. | 62.9% | Saint George Island, MD / 329 |
7. | 60.0% | Highland Beach, MD / 73 |
8. | 59.8% | Broomes Island, MD / 203 |
9. | 57.3% | Fairlee, MD / 239 |
10. | 56.9% | Elliott, MD / 32 |
11. | 56.5% | Chance, MD / 326 |
12. | 56.2% | Madison, MD / 267 |
13. | 51.4% | Fishing Creek, MD / 80 |
14. | 49.3% | Tyaskin, MD / 227 |
15. | 48.9% | Cearfoss, MD / 137 |
16. | 48.0% | Whaleyville, MD / 159 |
17. | 46.2% | Allen, MD / 297 |
18. | 44.8% | Deal Island, MD / 456 |
19. | 44.2% | Aberdeen Proving Ground, MD / 3,558 |
20. | 44.2% | Jesterville, MD / 339 |
21. | 42.9% | Luke, MD / 85 |
22. | 41.4% | Ocean Pines, MD / 11,025 |
23. | 41.1% | Galestown, MD / 57 |
24. | 40.9% | Flintstone, MD / 136 |
25. | 40.7% | Edesville, MD / 203 |
26. | 39.9% | Tilghman Island, MD / 656 |
27. | 38.7% | Brookview, MD / 58 |
28. | 38.2% | Church Creek, MD / 91 |
29. | 37.3% | Newark, MD / 262 |
30. | 36.9% | Oxford, MD / 603 |
31. | 36.4% | Rock Hall, MD / 1,243 |
32. | 35.6% | Sabillasville, MD / 465 |
33. | 35.4% | Saint Michaels, MD / 1,093 |
34. | 35.3% | Garretts Mill, MD / 161 |
35. | 34.9% | Dames Quarter, MD / 142 |
36. | 32.0% | Smith Island, MD / 207 |
37. | 31.6% | Andrews, MD / 2,719 |
38. | 31.5% | Mount Vernon, MD / 799 |
39. | 30.5% | Port Deposit, MD / 621 |
40. | 29.1% | Vienna, MD / 255 |
41. | 28.6% | West Ocean City, MD / 4,541 |
42. | 28.5% | Preston, MD / 512 |
43. | 28.1% | Fort Ritchie, MD / 222 |
44. | 27.9% | Chewsville, MD / 91 |
45. | 27.4% | Church Hill, MD / 551 |
46. | 27.3% | Templeville, MD / 178 |
47. | 26.5% | Sudlersville, MD / 301 |
48. | 26.1% | Fairmount, MD / 492 |
49. | 25.6% | Nanticoke, MD / 167 |
50. | 24.8% | Taylors Island, MD / 188 |
51. | 24.4% | Bloomington, MD / 335 |
52. | 24.4% | Summerfield, MD / 11,134 |
53. | 24.3% | Mardela Springs, MD / 285 |
54. | 24.2% | Charlestown, MD / 1,119 |
55. | 23.6% | Crisfield, MD / 2,756 |
56. | 23.0% | Indian Springs, MD / 137 |
57. | 22.4% | Princess Anne, MD / 3,140 |
58. | 22.3% | Barton, MD / 399 |
59. | 22.1% | Kent Narrows, MD / 589 |
60. | 21.9% | San Mar, MD / 395 |
61. | 21.5% | Pleasant Grove, MD / 555 |
62. | 21.1% | Rock Point, MD / 71 |
63. | 20.3% | Tolchester, MD / 457 |
64. | 20.2% | Chestertown, MD / 5,162 |
65. | 20.1% | Friendsville, MD / 541 |
66. | 20.0% | Gilmore, MD / 79 |
67. | 19.7% | Union Bridge, MD / 836 |
68. | 19.7% | Indian Head, MD / 3,832 |
69. | 19.6% | Girdletree, MD / 186 |
70. | 19.6% | Baltimore, MD / 620,538 |
71. | 19.2% | Highfield-Cascade, MD / 860 |
72. | 18.9% | Eldorado, MD / 102 |
73. | 18.5% | Frostburg, MD / 8,792 |
74. | 18.4% | Delmar, MD / 2,834 |
75. | 18.3% | Cecilton, MD / 433 |
76. | 18.2% | East New Market, MD / 315 |
77. | 18.1% | Denton, MD / 4,204 |
78. | 18.0% | Goldsboro, MD / 338 |
79. | 17.9% | Secretary, MD / 667 |
80. | 17.6% | Pinesburg, MD / 543 |
81. | 17.1% | Chester, MD / 4,142 |
82. | 16.9% | Deer Park, MD / 371 |
83. | 16.9% | Cumberland, MD / 20,927 |
84. | 16.8% | Willards, MD / 1,077 |
85. | 16.7% | Saint Leonard, MD / 918 |
86. | 16.7% | North Beach, MD / 1,606 |
87. | 16.5% | Solomons, MD / 2,009 |
88. | 16.3% | Mercersville, MD / 77 |
89. | 16.2% | Fort Meade, MD / 10,910 |
90. | 15.8% | Hillsboro, MD / 111 |
91. | 15.7% | Cambridge, MD / 12,109 |
92. | 15.4% | Pittsville, MD / 1,494 |
93. | 15.2% | Cobb Island, MD / 714 |
94. | 15.1% | Hebron, MD / 871 |
95. | 15.0% | Pocomoke City, MD / 4,216 |
96. | 14.9% | Cedarville, MD / 876 |
97. | 14.9% | Bivalve, MD / 181 |
98. | 14.8% | Grasonville, MD / 3,114 |
99. | 14.5% | Cottage City, MD / 1,106 |
100. | 14.5% | Berlin, MD / 4,358 |
101. | 14.4% | Forest Heights, MD / 2,152 |
102. | 14.3% | Bowling Green, MD / 1,110 |
103. | 14.3% | Westernport, MD / 2,093 |
104. | 14.3% | Annapolis Neck, MD / 11,105 |
105. | 14.2% | Galena, MD / 603 |
106. | 14.1% | Jessup, MD / 11,078 |
107. | 14.1% | Oakland, MD / 1,881 |
108. | 13.8% | Kitzmiller, MD / 342 |
109. | 13.6% | National Harbor, MD / 3,127 |
110. | 13.5% | Brentwood, MD / 3,037 |
111. | 13.5% | Cavetown, MD / 1,297 |
112. | 13.5% | Queenstown, MD / 690 |
113. | 13.3% | Butlertown, MD / 662 |
114. | 13.3% | Grantsville, MD / 719 |
115. | 13.2% | Federalsburg, MD / 2,755 |
116. | 13.0% | Millington, MD / 597 |
117. | 12.9% | Leisure World, MD / 8,666 |
118. | 12.9% | Salisbury, MD / 29,343 |
119. | 12.7% | Lusby, MD / 2,325 |
120. | 12.4% | Lexington Park, MD / 10,882 |
121. | 12.3% | Morningside, MD / 1,683 |
122. | 12.3% | Hagerstown, MD / 39,546 |
123. | 12.3% | Elkton, MD / 15,029 |
124. | 12.3% | North Brentwood, MD / 555 |
125. | 12.2% | Fairmount Heights, MD / 1,292 |
126. | 12.1% | Mountain Lake Park, MD / 1,860 |
127. | 12.0% | Calvert Beach, MD / 599 |
128. | 12.0% | Beaver Creek, MD / 183 |
129. | 11.9% | Ridgely, MD / 2,257 |
130. | 11.8% | Lonaconing, MD / 1,305 |
131. | 11.8% | Kingstown, MD / 1,811 |
132. | 11.7% | Cordova, MD / 543 |
133. | 11.6% | Shady Side, MD / 5,885 |
134. | 11.6% | Hancock, MD / 1,334 |
135. | 11.5% | Burkittsville, MD / 140 |
136. | 11.5% | Chesapeake Beach, MD / 5,396 |
136. | 11.5% | Easton, MD / 15,310 |
138. | 11.5% | Annapolis, MD / 37,825 |
139. | 11.5% | La Plata, MD / 8,496 |
140. | 11.1% | Naval Academy, MD / 4,168 |
141. | 11.0% | Fruitland, MD / 4,704 |
142. | 11.0% | Algonquin, MD / 1,130 |
143. | 11.0% | Middletown, MD / 3,894 |
144. | 10.9% | Trappe, MD / 1,182 |
145. | 10.9% | Bowleys Quarters, MD / 6,607 |
146. | 10.8% | Midland, MD / 391 |
147. | 10.8% | Bowmans Addition, MD / 515 |
148. | 10.8% | Brunswick, MD / 5,770 |
149. | 10.7% | Forestville, MD / 12,297 |
150. | 10.7% | Barclay, MD / 168 |
151. | 10.5% | Colmar Manor, MD / 1,383 |
152. | 10.4% | Herald Harbor, MD / 2,244 |
153. | 10.4% | East Riverdale, MD / 15,669 |
154. | 10.4% | Glassmanor, MD / 17,536 |
155. | 10.3% | Temple Hills, MD / 7,639 |
156. | 10.3% | Leonardtown, MD / 2,770 |
156. | 10.3% | Sharptown, MD / 865 |
158. | 10.3% | Parole, MD / 14,894 |
159. | 10.2% | Upper Marlboro, MD / 739 |
160. | 10.2% | Tall Timbers, MD / 347 |
161. | 10.1% | New Market, MD / 555 |
162. | 10.1% | Williamsport, MD / 2,455 |
163. | 10.0% | South Laurel, MD / 25,742 |
164. | 9.9% | West Pocomoke, MD / 447 |
165. | 9.9% | Funkstown, MD / 1,372 |
166. | 9.9% | Seabrook, MD / 15,620 |
167. | 9.9% | Suitland, MD / 25,240 |
168. | 9.8% | Smithsburg, MD / 2,861 |
169. | 9.7% | Hurlock, MD / 1,989 |
170. | 9.6% | Drum Point, MD / 3,324 |
171. | 9.6% | Boonsboro, MD / 3,273 |
172. | 9.6% | Deale, MD / 4,934 |
172. | 9.6% | Langley Park, MD / 18,159 |
174. | 9.5% | Chesapeake City, MD / 719 |
175. | 9.4% | Rising Sun, MD / 2,651 |
176. | 9.4% | Adelphi, MD / 15,040 |
177. | 9.4% | Fairwood, MD / 4,650 |
178. | 9.4% | Sharpsburg, MD / 661 |
179. | 9.3% | Coral Hills, MD / 9,653 |
180. | 9.3% | Laurel, MD / 24,433 |
181. | 9.2% | Huntingtown, MD / 3,022 |
182. | 9.0% | Seat Pleasant, MD / 4,612 |
183. | 9.0% | Garrison, MD / 7,622 |
184. | 8.9% | Laytonsville, MD / 290 |
185. | 8.8% | Frederick, MD / 63,731 |
185. | 8.8% | Edgewood, MD / 25,391 |
187. | 8.7% | Edgewater, MD / 8,692 |
188. | 8.7% | Baden, MD / 2,269 |
189. | 8.6% | Eden, MD / 839 |
190. | 8.6% | North East, MD / 3,492 |
191. | 8.6% | College Park, MD / 29,596 |
192. | 8.6% | Westminster, MD / 18,591 |
193. | 8.5% | Takoma Park, MD / 16,853 |
194. | 8.5% | Havre De Grace, MD / 12,792 |
195. | 8.4% | Mayo, MD / 7,776 |
196. | 8.4% | Gambrills, MD / 2,575 |
197. | 8.4% | Chesapeake Ranch Estates, MD / 9,735 |
197. | 8.4% | Milford Mill, MD / 28,767 |
199. | 8.3% | California, MD / 11,970 |
200. | 8.3% | Queen Anne town, MD / 243 |
201. | 8.2% | Hughesville, MD / 1,739 |
202. | 8.1% | Brookmont, MD / 3,626 |
203. | 8.1% | Ellerslie, MD / 351 |
204. | 8.0% | Camp Springs, MD / 18,770 |
205. | 8.0% | Savage, MD / 6,789 |
206. | 7.9% | Arden On The Severn, MD / 1,921 |
207. | 7.9% | Baltimore Highlands, MD / 7,319 |
208. | 7.8% | New Windsor, MD / 1,398 |
209. | 7.8% | Glenarden, MD / 6,069 |
210. | 7.8% | Eckhart Mines, MD / 1,317 |
211. | 7.8% | Aberdeen, MD / 14,920 |
212. | 7.7% | Washington Grove, MD / 445 |
213. | 7.7% | Mount Rainier, MD / 8,149 |
214. | 7.6% | Landover, MD / 23,540 |
215. | 7.6% | Bladensburg, MD / 8,918 |
216. | 7.5% | Keedysville, MD / 1,169 |
217. | 7.4% | Hyattsville, MD / 17,254 |
218. | 7.4% | Fairland, MD / 23,086 |
219. | 7.4% | Essex, MD / 38,790 |
219. | 7.4% | Greenbelt, MD / 22,817 |
221. | 7.4% | Piney Point, MD / 913 |
221. | 7.4% | Glenmont, MD / 13,458 |
223. | 7.4% | Hillcrest Heights, MD / 15,910 |
224. | 7.4% | Westphalia, MD / 6,095 |
225. | 7.3% | Bel Air town, MD / 10,167 |
226. | 7.3% | Lake Arbor, MD / 10,309 |
226. | 7.3% | Riverdale Park, MD / 6,893 |
228. | 7.3% | Rossville, MD / 15,072 |
229. | 7.2% | Woodlawn CDP, MD / 6,490 |
230. | 7.2% | Maugansville, MD / 3,059 |
231. | 7.1% | Peppermill Village, MD / 4,842 |
232. | 7.1% | Brooklyn Park, MD / 14,178 |
233. | 7.0% | Konterra, MD / 2,168 |
234. | 7.0% | Perryville, MD / 4,311 |
235. | 7.0% | Friendship Heights Village, MD / 5,768 |
236. | 6.9% | Aquasco, MD / 836 |
236. | 6.9% | Chillum, MD / 35,034 |
238. | 6.8% | Fulton, MD / 1,966 |
239. | 6.8% | Emmitsburg, MD / 2,749 |
239. | 6.8% | District Heights, MD / 5,858 |
241. | 6.8% | Queen Anne, MD / 1,132 |
242. | 6.7% | Montgomery Village, MD / 31,714 |
242. | 6.7% | Middle River, MD / 23,799 |
244. | 6.7% | North Bethesda, MD / 40,489 |
245. | 6.7% | White Oak, MD / 16,659 |
246. | 6.6% | Perry Hall, MD / 28,368 |
247. | 6.6% | Saint James, MD / 3,056 |
248. | 6.6% | Bethesda, MD / 58,537 |
249. | 6.6% | Elkridge, MD / 13,512 |
250. | 6.5% | Rosedale, MD / 19,044 |
251. | 6.4% | Cockeysville, MD / 19,842 |
252. | 6.4% | Woodlawn, MD / 37,978 |
253. | 6.4% | Halfway, MD / 10,119 |
253. | 6.4% | Glen Burnie, MD / 65,523 |
255. | 6.4% | Bel Air, MD / 1,097 |
256. | 6.3% | Snow Hill, MD / 2,520 |
257. | 6.3% | Cheverly, MD / 6,234 |
258. | 6.3% | Clear Spring, MD / 466 |
259. | 6.3% | Martins Additions, MD / 904 |
260. | 6.3% | Calverton, MD / 17,800 |
261. | 6.2% | Capitol Heights, MD / 4,298 |
262. | 6.2% | Burtonsville, MD / 9,233 |
263. | 6.2% | Scaggsville, MD / 22,995 |
263. | 6.2% | Dundalk, MD / 62,444 |
265. | 6.2% | Towson, MD / 54,068 |
266. | 6.2% | Long Beach, MD / 1,866 |
267. | 6.1% | Marlton, MD / 9,012 |
268. | 6.0% | Jefferson, MD / 1,869 |
269. | 6.0% | Potomac Heights, MD / 1,268 |
270. | 6.0% | Accident, MD / 323 |
270. | 6.0% | Severn, MD / 41,753 |
272. | 6.0% | Chevy Chase Section Three, MD / 711 |
272. | 6.0% | Lanham, MD / 8,931 |
274. | 5.9% | Crownsville, MD / 1,926 |
275. | 5.9% | Lake Shore, MD / 18,880 |
276. | 5.8% | Centreville, MD / 3,937 |
277. | 5.8% | Braddock Heights, MD / 2,709 |
278. | 5.8% | Clarksburg, MD / 10,543 |
279. | 5.8% | Rockville, MD / 58,300 |
280. | 5.8% | Thurmont, MD / 6,127 |
281. | 5.7% | Wheaton, MD / 45,079 |
282. | 5.7% | Derwood, MD / 2,136 |
283. | 5.6% | Lochearn, MD / 25,720 |
284. | 5.5% | Forest Glen, MD / 6,182 |
285. | 5.3% | Riverside, MD / 6,543 |
286. | 5.3% | Golden Beach, MD / 3,779 |
287. | 5.3% | Silver Spring, MD / 70,049 |
288. | 5.3% | Oxon Hill, MD / 18,417 |
289. | 5.3% | Greensboro, MD / 2,455 |
290. | 5.2% | Perryman, MD / 2,343 |
291. | 5.2% | Four Corners, MD / 7,998 |
292. | 5.2% | Randallstown, MD / 32,570 |
293. | 5.1% | Pleasant Hills, MD / 3,561 |
294. | 5.1% | Waldorf, MD / 67,143 |
294. | 5.1% | Friendly, MD / 9,968 |
296. | 5.1% | Robinwood, MD / 8,056 |
297. | 5.1% | Maryland City, MD / 15,420 |
298. | 5.1% | Linthicum, MD / 10,444 |
299. | 5.1% | Landover Hills, MD / 1,876 |
300. | 5.0% | Walker Mill, MD / 11,575 |
301. | 5.0% | Mount Airy, MD / 8,921 |
302. | 5.0% | Gaithersburg, MD / 58,169 |
303. | 4.9% | Brandywine, MD / 6,018 |
304. | 4.9% | La Vale, MD / 3,765 |
305. | 4.8% | North Chevy Chase, MD / 560 |
306. | 4.8% | Riviera Beach, MD / 11,813 |
307. | 4.8% | Owings Mills, MD / 29,734 |
307. | 4.8% | Corriganville, MD / 499 |
309. | 4.7% | Bowie, MD / 54,314 |
310. | 4.7% | Mechanicsville, MD / 1,528 |
311. | 4.7% | Aspen Hill, MD / 47,023 |
312. | 4.7% | Bryans Road, MD / 7,552 |
313. | 4.6% | Taneytown, MD / 6,566 |
314. | 4.6% | Rosemont, MD / 384 |
315. | 4.5% | Chevy Chase, MD / 2,795 |
316. | 4.4% | Hillandale, MD / 6,405 |
317. | 4.4% | Stevensville, MD / 6,813 |
318. | 4.4% | Ilchester, MD / 22,907 |
319. | 4.4% | Chevy Chase CDP, MD / 9,741 |
320. | 4.3% | Charlotte Hall, MD / 1,384 |
321. | 4.3% | Silver Hill, MD / 6,104 |
322. | 4.3% | Marlboro Meadows, MD / 3,631 |
322. | 4.3% | Parkville, MD / 30,156 |
322. | 4.3% | Overlea, MD / 12,672 |
325. | 4.3% | Columbia, MD / 98,379 |
326. | 4.2% | Bel Air North, MD / 29,172 |
327. | 4.2% | Pikesville, MD / 30,720 |
328. | 4.2% | Arnold, MD / 22,483 |
329. | 4.1% | Edgemere, MD / 9,053 |
330. | 4.1% | Lansdowne, MD / 8,629 |
331. | 4.1% | Crofton, MD / 27,624 |
332. | 4.1% | Largo, MD / 11,012 |
333. | 4.1% | Clinton, MD / 35,985 |
334. | 4.1% | White Marsh, MD / 9,520 |
335. | 4.0% | Bel Air South, MD / 45,769 |
336. | 4.0% | Fountainhead-Orchard Hills, MD / 6,006 |
337. | 3.9% | Catonsville, MD / 41,866 |
338. | 3.9% | Germantown, MD / 84,847 |
338. | 3.9% | Kensington, MD / 1,858 |
340. | 3.9% | Beltsville, MD / 15,444 |
340. | 3.9% | Accokeek, MD / 10,513 |
340. | 3.9% | New Carrollton, MD / 12,123 |
343. | 3.8% | Pasadena, MD / 22,189 |
344. | 3.8% | Odenton, MD / 35,399 |
344. | 3.8% | Cape Saint Claire, MD / 8,670 |
346. | 3.8% | Arbutus, MD / 20,406 |
346. | 3.8% | Colesville, MD / 14,198 |
348. | 3.8% | Cresaptown, MD / 3,459 |
349. | 3.7% | North Laurel, MD / 4,076 |
350. | 3.6% | Hampstead, MD / 6,203 |
351. | 3.6% | Fort Washington, MD / 25,145 |
352. | 3.5% | Travilah, MD / 12,063 |
353. | 3.5% | Reisterstown, MD / 26,947 |
354. | 3.4% | Adamstown, MD / 2,134 |
355. | 3.3% | Linganore, MD / 8,309 |
356. | 3.3% | Edmonston, MD / 1,328 |
356. | 3.3% | Potomac, MD / 44,785 |
358. | 3.1% | Carney, MD / 27,583 |
359. | 3.1% | Ferndale, MD / 17,104 |
359. | 3.1% | Bennsville, MD / 11,693 |
359. | 3.1% | Marlow Heights, MD / 6,344 |
362. | 3.1% | Ashton-Sandy Spring, MD / 5,350 |
363. | 3.0% | Prince Frederick, MD / 2,601 |
364. | 3.0% | Berwyn Heights, MD / 3,102 |
365. | 3.0% | Marlboro Village, MD / 9,365 |
366. | 3.0% | Ellicott City, MD / 64,970 |
367. | 2.9% | Kettering, MD / 12,545 |
368. | 2.9% | South Kensington, MD / 8,149 |
369. | 2.8% | Ballenger Creek, MD / 19,137 |
370. | 2.8% | Poolesville, MD / 4,889 |
371. | 2.8% | Kemp Mill, MD / 12,084 |
372. | 2.7% | Sykesville, MD / 4,454 |
372. | 2.7% | Rosaryville, MD / 11,479 |
374. | 2.7% | University Park, MD / 2,528 |
375. | 2.7% | Timonium, MD / 9,773 |
375. | 2.7% | Redland, MD / 16,938 |
377. | 2.7% | Kingsville, MD / 4,690 |
378. | 2.6% | Brock Hall, MD / 8,153 |
379. | 2.6% | Layhill, MD / 5,678 |
380. | 2.5% | Riva, MD / 3,927 |
381. | 2.3% | Walkersville, MD / 5,743 |
382. | 2.3% | Fallston, MD / 8,062 |
383. | 2.3% | Spring Ridge, MD / 5,867 |
384. | 2.3% | Glenn Dale, MD / 14,129 |
385. | 2.2% | West Laurel, MD / 4,741 |
386. | 2.2% | Loch Lynn Heights, MD / 755 |
387. | 2.2% | Cloverly, MD / 15,413 |
387. | 2.2% | Eldersburg, MD / 31,632 |
387. | 2.2% | Mitchellville, MD / 11,653 |
390. | 2.1% | Chevy Chase Village, MD / 2,010 |
391. | 2.0% | Darnestown, MD / 6,502 |
392. | 2.0% | Severna Park, MD / 37,079 |
393. | 1.8% | Mellwood, MD / 2,852 |
394. | 1.8% | Joppatowne, MD / 12,662 |
395. | 1.8% | Somerset, MD / 1,367 |
396. | 1.7% | Lutherville, MD / 6,227 |
397. | 1.6% | Urbana, MD / 7,294 |
398. | 1.6% | Queenland, MD / 2,135 |
399. | 1.6% | Olney, MD / 33,167 |
400. | 1.2% | North Kensington, MD / 9,623 |
401. | 1.2% | Damascus, MD / 15,520 |
402. | 1.2% | Myersville, MD / 1,820 |
403. | 1.2% | North Potomac, MD / 25,025 |
404. | 1.2% | Hampton, MD / 4,888 |
405. | 1.1% | Croom, MD / 2,296 |
406. | 0.8% | Manchester, MD / 4,597 |
407. | 0.3% | Mays Chapel, MD / 11,965 |
Please note that we only rank locations with 'Vacant Housing Units Percentage' data. The rank above might not be a complete list. Locations without 'Vacant Housing Units Percentage' 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.