| Top 300 UFO Hotspots in the United States of America | ||||||
| Ranked by rate of unexplained reports per 10,000 population in 1990 | ||||||
| Rank | State | County | Number of Unexplained UFO & humanoid reports | Rate per 10,000 people | Rate per 100,000 people | US Census 1990 County Population |
| 1 | CO | Saguache | 131 | 283.611 | 2836 | 4,619 |
| 2 | MO | Knox | 42 | 93.708 | 937 | 4,482 |
| 3 | CO | Alamosa | 73 | 53.609 | 536 | 13,617 |
| 4 | WA | Wahkiakum | 17 | 51.097 | 511 | 3,327 |
| 5 | KS | Lane | 11 | 46.316 | 463 | 2,375 |
| 6 | UT | Duchesne | 51 | 40.332 | 403 | 12,645 |
| 7 | CO | Huerfano | 24 | 39.940 | 399 | 6,009 |
| 8 | CO | Costilla | 12 | 37.618 | 376 | 3,190 |
| 9 | WV | Mason | 92 | 36.540 | 365 | 25,178 |
| 10 | CO | Rio Grande | 39 | 36.212 | 362 | 10,770 |
| 11 | MT | Wheatland | 7 | 31.167 | 312 | 2,246 |
| 12 | WI | Pepin | 20 | 28.141 | 281 | 7,107 |
| 13 | MO | Wayne | 32 | 27.722 | 277 | 11,543 |
| 14 | FL | Santa Rosa | 224 | 26.721 | 267 | 83,829 |
| 15 | SD | Corson | 11 | 26.222 | 262 | 4,195 |
| 16 | CO | Park | 18 | 25.091 | 251 | 7,174 |
| 17 | MI | Keweenaw | 4 | 23.516 | 235 | 1,701 |
| 18 | MT | Judith Basin | 5 | 21.911 | 219 | 2,282 |
| 19 | NM | Guadalupe | 9 | 21.655 | 217 | 4,156 |
| 20 | OR | Wheeler | 3 | 21.490 | 215 | 1,396 |
| 21 | CO | Custer | 4 | 20.768 | 208 | 1,926 |
| 22 | MO | Morgan | 32 | 20.547 | 205 | 15,574 |
| 23 | ID | Caribou | 14 | 20.106 | 201 | 6,963 |
| 24 | TX | Collingsworth | 7 | 19.591 | 196 | 3,573 |
| 25 | NM | Catron | 5 | 19.508 | 195 | 2,563 |
| 26 | NM | Los Alamos | 35 | 19.321 | 193 | 18,115 |
| 27 | ND | Sheridan | 4 | 18.622 | 186 | 2,148 |
| 28 | UT | Uintah | 41 | 18.459 | 185 | 22,211 |
| 29 | MT | Liberty | 4 | 17.429 | 174 | 2,295 |
| 30 | MO | Pettis | 61 | 17.214 | 172 | 35,437 |
| 31 | ID | Boise | 6 | 17.099 | 171 | 3,509 |
| 32 | SD | Buffalo | 3 | 17.055 | 171 | 1,759 |
| 33 | MO | Macon | 26 | 16.944 | 169 | 15,345 |
| 34 | NM | Socorro | 25 | 16.933 | 169 | 14,764 |
| 35 | NM | Mora | 7 | 16.417 | 164 | 4,264 |
| 36 | CO | Conejos | 12 | 16.101 | 161 | 7,453 |
| 37 | OH | Portage | 23 | 16.101 | 161 | 14,285 |
| 38 | MT | Teton | 10 | 15.946 | 159 | 6,271 |
| 39 | MT | Toole | 8 | 15.854 | 159 | 5,046 |
| 40 | WI | Shawano | 22 | 15.514 | 155 | 14,181 |
| 41 | AR | Searcy | 12 | 15.304 | 153 | 7,841 |
| 42 | TX | Childress | 9 | 15.118 | 151 | 5,953 |
| 43 | NM | Hidalgo | 9 | 15.106 | 151 | 5,958 |
| 44 | IN | Ohio | 8 | 15.052 | 151 | 5,315 |
| 45 | MN | Lake | 15 | 14.402 | 144 | 10,415 |
| 46 | KS | Ottawa | 8 | 14.200 | 142 | 5,634 |
| 47 | KS | Russell | 11 | 14.040 | 140 | 7,835 |
| 48 | WY | Weston | 9 | 13.808 | 138 | 6,518 |
| 49 | TX | Hudspeth | 4 | 13.722 | 137 | 2,915 |
| 50 | NM | De Baca | 3 | 13.321 | 133 | 2,252 |
| 51 | LA | Natchitoches | 47 | 12.810 | 128 | 36,689 |
| 52 | IL | St Clair | 28 | 12.578 | 126 | 22,261 |
| 53 | MO | Pike | 20 | 12.524 | 125 | 15,969 |
| 54 | IN | Parke | 19 | 12.330 | 123 | 15,410 |
| 55 | NM | Otero | 64 | 12.325 | 123 | 51,928 |
| 56 | IN | Posey | 32 | 12.323 | 123 | 25,968 |
| 57 | MN | Lake of the Woods | 5 | 12.267 | 123 | 4,076 |
| 58 | KS | Phillips | 8 | 12.140 | 121 | 6,590 |
| 59 | NM | Union | 5 | 12.124 | 121 | 4,124 |
| 60 | OK | Cimarron | 4 | 12.118 | 121 | 3,301 |
| 61 | KS | Thomas | 10 | 12.109 | 121 | 8,258 |
| 62 | WA | Skamania | 10 | 12.064 | 121 | 8,289 |
| 63 | NM | Quay | 13 | 12.011 | 120 | 10,823 |
| 64 | GA | Calhoun | 6 | 11.969 | 120 | 5,013 |
| 65 | KS | Pawnee | 9 | 11.913 | 119 | 7,555 |
| 66 | MO | St Clair | 10 | 11.825 | 118 | 8,457 |
| 67 | KS | Norton | 7 | 11.771 | 118 | 5,947 |
| 68 | WV | Braxton | 15 | 11.540 | 115 | 12,998 |
| 69 | NE | Burt | 9 | 11.439 | 114 | 7,868 |
| 70 | WI | Iron | 7 | 11.377 | 114 | 6,153 |
| 71 | MN | Grant | 7 | 11.207 | 112 | 6,246 |
| 72 | NM | Sierra | 11 | 11.098 | 111 | 9,912 |
| 73 | IL | Sangamon | 29 | 10.922 | 109 | 26,551 |
| 74 | MT | Pondera | 7 | 10.881 | 109 | 6,433 |
| 75 | TX | Donley | 4 | 10.823 | 108 | 3,696 |
| 76 | WA | Yakima | 203 | 10.751 | 108 | 188,823 |
| 77 | NE | Hitchcock | 4 | 10.667 | 107 | 3,750 |
| 78 | WY | Hot Springs | 5 | 10.397 | 104 | 4,809 |
| 79 | IN | Harrison | 31 | 10.371 | 104 | 29,890 |
| 80 | TX | Robertson | 16 | 10.315 | 103 | 15,511 |
| 81 | KS | Osborne | 5 | 10.273 | 103 | 4,867 |
| 82 | MT | Custer | 12 | 10.259 | 103 | 11,697 |
| 83 | TX | Hall | 4 | 10.243 | 102 | 3,905 |
| 84 | MO | Adair | 25 | 10.172 | 102 | 24,577 |
| 85 | MO | Shelby | 7 | 10.084 | 101 | 6,942 |
| 86 | CO | Rio Blanco | 6 | 10.047 | 100 | 5,972 |
| 87 | NE | Greeley | 3 | 9.980 | 100 | 3,006 |
| 88 | IA | Clayton | 19 | 9.972 | 100 | 19,054 |
| 89 | WY | Johnson | 6 | 9.764 | 98 | 6,145 |
| 90 | OR | Lake | 7 | 9.741 | 97 | 7,186 |
| 91 | NE | Valley | 5 | 9.673 | 97 | 5,169 |
| 92 | MT | Cascade | 75 | 9.654 | 97 | 77,691 |
| 93 | MO | Dent | 13 | 9.488 | 95 | 13,702 |
| 94 | WI | Pierce | 31 | 9.461 | 95 | 32,765 |
| 95 | CO | Las Animas | 13 | 9.444 | 94 | 13,765 |
| 96 | MO | Schuyler | 4 | 9.443 | 94 | 4,236 |
| 97 | CO | Elbert | 9 | 9.330 | 93 | 9,646 |
| 98 | ID | Adams | 3 | 9.219 | 92 | 3,254 |
| 99 | SD | Miner | 3 | 9.169 | 92 | 3,272 |
| 100 | PA | Westmoreland | 336 | 9.073 | 91 | 370,321 |
| 101 | CA | Tehama | 45 | 9.068 | 91 | 49,625 |
| 102 | MT | Mineral | 3 | 9.050 | 90 | 3,315 |
| 103 | NE | Perkins | 3 | 8.910 | 89 | 3,367 |
| 104 | MI | Baraga | 7 | 8.801 | 88 | 7,954 |
| 105 | TX | Wharton | 35 | 8.760 | 88 | 39,955 |
| 106 | CA | Inyo | 16 | 8.752 | 88 | 18,281 |
| 107 | IL | Wayne | 15 | 8.700 | 87 | 17,241 |
| 108 | KS | Sherman | 6 | 8.663 | 87 | 6,926 |
| 109 | TN | Giles | 22 | 8.547 | 85 | 25,741 |
| 110 | CO | Logan | 15 | 8.539 | 85 | 17,567 |
| 111 | NY | Putnam | 71 | 8.458 | 85 | 83,941 |
| 112 | MT | Fergus | 10 | 8.276 | 83 | 12,083 |
| 113 | CO | San Miguel | 3 | 8.212 | 82 | 3,653 |
| 114 | MO | Randolph | 20 | 8.207 | 82 | 24,370 |
| 115 | NE | Brown | 3 | 8.203 | 82 | 3,657 |
| 116 | NC | McDowell | 29 | 8.128 | 81 | 35,681 |
| 117 | WA | Pacific | 15 | 7.944 | 79 | 18,882 |
| 118 | NC | Surry | 49 | 7.941 | 79 | 61,704 |
| 119 | MI | Ontonagon | 7 | 7.906 | 79 | 8,854 |
| 120 | MO | Lewis | 8 | 7.818 | 78 | 10,233 |
| 121 | WI | Door | 20 | 7.785 | 78 | 25,690 |
| 122 | MI | Gogebic | 14 | 7.755 | 78 | 18,052 |
| 123 | IA | Wright | 11 | 7.709 | 77 | 14,269 |
| 124 | ID | Franklin | 7 | 7.582 | 76 | 9,232 |
| 125 | CA | Siskiyou | 33 | 7.581 | 76 | 43,531 |
| 126 | MT | Powell | 5 | 7.553 | 76 | 6,620 |
| 127 | AZ | Greenlee | 6 | 7.493 | 75 | 8,008 |
| 128 | CO | Archuleta | 4 | 7.484 | 75 | 5,345 |
| 129 | TX | Hockley | 18 | 7.438 | 74 | 24,199 |
| 130 | NM | Taos | 17 | 7.354 | 74 | 23,118 |
| 131 | MT | Chouteau | 4 | 7.337 | 73 | 5,452 |
| 132 | KS | Ellis | 19 | 7.307 | 73 | 26,004 |
| 133 | MT | Valley | 6 | 7.282 | 73 | 8,239 |
| 134 | NM | Rio Arriba | 25 | 7.275 | 73 | 34,365 |
| 135 | MO | Miller | 15 | 7.246 | 72 | 20,700 |
| 136 | OR | Wallowa | 5 | 7.235 | 72 | 6,911 |
| 137 | SC | Cherokee | 32 | 7.190 | 72 | 44,506 |
| 138 | AR | Clay | 13 | 7.180 | 72 | 18,107 |
| 139 | NH | Coos | 25 | 7.178 | 72 | 34,828 |
| 140 | IN | Union | 5 | 7.167 | 72 | 6,976 |
| 141 | SD | Grant | 6 | 7.167 | 72 | 8,372 |
| 142 | MS | Lee | 13 | 7.051 | 71 | 18,436 |
| 143 | WI | Price | 11 | 7.051 | 71 | 15,600 |
| 144 | NE | Webster | 3 | 7.011 | 70 | 4,279 |
| 145 | NM | Colfax | 9 | 6.963 | 70 | 12,925 |
| 146 | GA | Heard | 6 | 6.954 | 70 | 8,628 |
| 147 | NV | Pershing | 3 | 6.919 | 69 | 4,336 |
| 148 | WI | Polk | 24 | 6.902 | 69 | 34,773 |
| 149 | IA | Fayette | 15 | 6.867 | 69 | 21,843 |
| 150 | TX | Cochran | 3 | 6.854 | 69 | 4,377 |
| 151 | KS | Chautauqua | 3 | 6.807 | 68 | 4,407 |
| 152 | NM | Torrance | 7 | 6.806 | 68 | 10,285 |
| 153 | OH | Gallia | 21 | 6.784 | 68 | 30,954 |
| 154 | IA | Henry | 13 | 6.762 | 68 | 19,226 |
| 155 | ND | Ransom | 4 | 6.756 | 68 | 5,921 |
| 156 | WI | Ashland | 11 | 6.746 | 67 | 16,307 |
| 157 | MO | Cooper | 10 | 6.741 | 67 | 14,835 |
| 158 | OK | Ellis | 3 | 6.671 | 67 | 4,497 |
| 159 | GA | Troup | 37 | 6.662 | 67 | 55,536 |
| 160 | MA | Nantucket | 4 | 6.653 | 67 | 6,012 |
| 161 | NM | Luna | 12 | 6.626 | 66 | 18,110 |
| 162 | KS | Rooks | 4 | 6.624 | 66 | 6,039 |
| 163 | SD | Walworth | 4 | 6.571 | 66 | 6,087 |
| 164 | NM | Lincoln | 8 | 6.547 | 65 | 12,219 |
| 165 | MO | Chariton | 6 | 6.520 | 65 | 9,202 |
| 166 | MO | Moniteau | 8 | 6.505 | 65 | 12,298 |
| 167 | MO | McDonald | 11 | 6.494 | 65 | 16,938 |
| 168 | MO | Benton | 9 | 6.494 | 65 | 13,859 |
| 169 | OR | Tillamook | 14 | 6.490 | 65 | 21,570 |
| 170 | KS | Greenwood | 5 | 6.372 | 64 | 7,847 |
| 171 | NE | Cherry | 4 | 6.342 | 63 | 6,307 |
| 172 | OK | Noble | 7 | 6.338 | 63 | 11,045 |
| 173 | MO | Sullivan | 4 | 6.323 | 63 | 6,326 |
| 174 | NH | Belknap | 31 | 6.299 | 63 | 49,216 |
| 175 | IN | Knox | 25 | 6.268 | 63 | 39,884 |
| 176 | WY | Teton | 7 | 6.266 | 63 | 11,172 |
| 177 | ND | Emmons | 3 | 6.211 | 62 | 4,830 |
| 178 | OR | Lincoln | 24 | 6.171 | 62 | 38,889 |
| 179 | KS | Republic | 4 | 6.171 | 62 | 6,482 |
| 180 | WV | Tyler | 6 | 6.125 | 61 | 9,796 |
| 181 | NC | Robeson | 64 | 6.085 | 61 | 105,179 |
| 182 | KS | Jackson | 7 | 6.074 | 61 | 11,525 |
| 183 | IN | Rush | 11 | 6.068 | 61 | 18,129 |
| 184 | ME | Waldo | 20 | 6.057 | 61 | 33,018 |
| 185 | MO | Reynolds | 4 | 6.005 | 60 | 6,661 |
| 186 | NH | Rockingham | 147 | 5.979 | 60 | 245,845 |
| 187 | CA | Del Norte | 14 | 5.968 | ||