| Rank | Population Density ▼ | School District / Population |
| 1. | 4,941.7/sq mi | Westminster School District 50 / 73,584 |
| 2. | 4,844.7/sq mi | Englewood School District 1 / 25,598 |
| 3. | 4,098.6/sq mi | Denver County School District 1 / 633,777 |
| 4. | 3,894.9/sq mi | Harrison School District 2 / 73,557 |
| 5. | 3,569.9/sq mi | Northglenn-Thornton School District 12 / 218,955 |
| 6. | 3,392.5/sq mi | Littleton School District 6 / 96,044 |
| 7. | 3,275.3/sq mi | Colorado Springs School District 11 / 235,794 |
| 8. | 2,612.5/sq mi | Cherry Creek School District 5 / 286,782 |
| 9. | 2,533.5/sq mi | Sheridan School District 2 / 8,548 |
| 10. | 2,502.9/sq mi | Mapleton School District 1 / 31,238 |
| 11. | 1,831.9/sq mi | Adams-Arapahoe School District 28J / 214,656 |
| 12. | 1,596.1/sq mi | Greeley School District 6 / 119,134 |
| 13. | 1,203.1/sq mi | Pueblo City School District 60 / 110,267 |
| 14. | 814.6/sq mi | Widefield School District 3 / 48,360 |
| 15. | 809.6/sq mi | Adams County School District 14 / 38,448 |
| 16. | 775.8/sq mi | Academy School District 20 / 99,520 |
| 17. | 706.0/sq mi | Jefferson County School District R-1 / 549,339 |
| 18. | 595.7/sq mi | Falcon School District 49 / 79,075 |
| 19. | 456.5/sq mi | Boulder Valley School District RE-2 / 220,354 |
| 20. | 420.2/sq mi | Cheyenne Mountain School District 12 / 22,131 |
| 21. | 395.6/sq mi | St. Vrain Valley School District RE 1J / 158,582 |
| 22. | 385.6/sq mi | Brighton School District 27J / 81,937 |
| 23. | 347.7/sq mi | Douglas County School District RE-1 / 302,027 |
| 24. | 304.1/sq mi | Thompson School District R-2J / 109,215 |
| 25. | 232.2/sq mi | Lewis-Palmer School District 38 / 29,871 |
| 26. | 226.3/sq mi | Fountain School District 8 / 33,325 |
| 27. | 220.5/sq mi | Windsor School District RE-4 / 22,539 |
| 28. | 218.3/sq mi | Johnstown-Milliken School District RE-5J / 17,883 |
| 29. | 119.5/sq mi | Weld County School District RE-8 / 12,355 |
| 30. | 103.0/sq mi | Poudre School District R-1 / 191,740 |
| 31. | 92.8/sq mi | Elizabeth School District C-1 / 14,949 |
| 32. | 91.5/sq mi | Manitou Springs School District 14 / 8,345 |
| 33. | 66.0/sq mi | Mesa County Valley School District 51 / 144,366 |
| 34. | 62.6/sq mi | Woodland Park School District RE-2 / 18,197 |
| 35. | 54.4/sq mi | Summit School District RE-1 / 28,389 |
| 36. | 53.7/sq mi | Weld County School District RE-1 / 9,691 |
| 37. | 47.3/sq mi | Florence School District RE-2 / 17,516 |
| 38. | 45.3/sq mi | Alamosa School District RE-11J / 14,931 |
| 39. | 43.9/sq mi | Rocky Ford School District R-2 / 5,908 |
| 40. | 41.6/sq mi | Eaton School District RE-2 / 9,568 |
| 41. | 41.0/sq mi | Canon City School District RE-1 / 27,013 |
| 42. | 39.9/sq mi | Trinidad School District 1 / 9,842 |
| 43. | 36.1/sq mi | Gilpin County School District RE-1 / 2,928 |
| 44. | 36.0/sq mi | Durango School District 9-R / 38,974 |
| 45. | 34.2/sq mi | Fort Morgan School District RE-3 / 17,284 |
| 46. | 33.9/sq mi | Roaring Fork School District RE-1 / 38,129 |
| 47. | 33.1/sq mi | Peyton School District 23-JT / 4,130 |
| 48. | 32.7/sq mi | Montrose County School District RE-1J / 38,523 |
| 49. | 30.6/sq mi | Aspen School District 1 / 13,208 |
| 50. | 30.3/sq mi | Garfield School District RE-2 / 24,414 |
| 51. | 30.2/sq mi | Platte Canyon School District 1 / 9,526 |
| 52. | 28.9/sq mi | Monte Vista School District C-8 / 6,183 |
| 53. | 28.3/sq mi | Keenesburg School District RE-3J / 13,595 |
| 54. | 27.4/sq mi | Pueblo County School District 70 / 50,228 |
| 55. | 24.0/sq mi | Valley School District RE-1 / 20,236 |
| 56. | 23.7/sq mi | Swink School District 33 / 1,508 |
| 57. | 23.3/sq mi | Park School District R-3 / 11,437 |
| 58. | 23.0/sq mi | Clear Creek School District RE-1 / 9,114 |
| 59. | 22.4/sq mi | Strasburg School District 31J / 5,119 |
| 60. | 22.1/sq mi | Eagle County School District RE 50 / 43,984 |
| 61. | 21.5/sq mi | Ignacio School District 11-JT / 6,023 |
| 62. | 21.1/sq mi | Salida School District R-32 / 9,919 |
| 63. | 20.8/sq mi | Garfield County School District 16 / 6,409 |
| 64. | 19.9/sq mi | Bennett School District 29-J / 5,758 |
| 65. | 19.6/sq mi | Bayfield School District R-10-JT / 8,145 |
| 66. | 19.3/sq mi | Cripple Creek-Victor School District RE-1 / 5,166 |
| 67. | 19.0/sq mi | Lake County School District R-1 / 7,311 |
| 68. | 18.4/sq mi | Brush School District RE-2J / 7,844 |
| 69. | 17.7/sq mi | Ellicott School District 22 / 4,184 |
| 70. | 17.6/sq mi | Delta County School District 50J / 31,037 |
| 71. | 17.4/sq mi | Steamboat Springs School District RE-2 / 17,654 |
| 72. | 17.3/sq mi | Platte Valley School District RE-7 / 4,947 |
| 73. | 17.2/sq mi | Telluride School District R-1 / 5,964 |
| 74. | 14.2/sq mi | Montezuma-Cortez School District RE-1 / 18,638 |
| 75. | 13.4/sq mi | East Grand School District 2 / 11,465 |
| 76. | 13.3/sq mi | Lamar School District RE-2 / 9,183 |
| 77. | 13.2/sq mi | Calhan School District RJ-1 / 2,958 |
| 78. | 12.3/sq mi | Buena Vista School District R-31 / 8,275 |
| 79. | 11.6/sq mi | East Otero School District R-1 / 8,472 |
| 80. | 11.4/sq mi | Ouray School District R-1 / 1,718 |
| 81. | 10.5/sq mi | Ault-Highland School District RE-9 / 5,615 |
| 82. | 10.1/sq mi | Elbert School District 200 / 1,393 |
| 83. | 9.8/sq mi | Wiley School District RE-13-JT / 925 |
| 84. | 9.7/sq mi | Sanford School District 6J / 1,344 |
| 85. | 9.7/sq mi | Dolores School District RE-4A / 3,631 |
| 86. | 9.4/sq mi | Manzanola School District 3J / 893 |
| 87. | 9.3/sq mi | Mancos School District RE-6 / 3,300 |
| 88. | 9.0/sq mi | Sargent School District RE-33J / 1,052 |
| 89. | 8.8/sq mi | Center School District 26-JT / 2,964 |
| 90. | 8.8/sq mi | Limon School District RE-4J / 3,576 |
| 91. | 8.7/sq mi | Burlington School District RE-6J / 5,241 |
| 92. | 8.0/sq mi | Hanover School District 28 / 2,125 |
| 93. | 7.9/sq mi | Kiowa School District C-2 / 2,634 |
| 94. | 7.5/sq mi | Del Norte School District C-7 / 4,406 |
| 95. | 7.4/sq mi | North Conejos School District RE-1J / 4,771 |
| 96. | 7.4/sq mi | Archuleta County School District 50-JT / 11,596 |
| 97. | 7.3/sq mi | Wiggins School District RE-50J / 2,637 |
| 98. | 7.0/sq mi | Ridgway School District R-2 / 2,395 |
| 99. | 6.9/sq mi | Crowley County School District RE-1-J / 5,266 |
| 100. | 6.6/sq mi | Yuma School District 1 / 4,874 |
| 101. | 6.3/sq mi | La Veta School District RE-2 / 1,415 |
| 102. | 6.3/sq mi | Julesburg School District RE-1 / 1,547 |
| 103. | 6.0/sq mi | Holyoke School District RE-1J / 3,182 |
| 104. | 6.0/sq mi | Las Animas School District RE-1 / 5,149 |
| 105. | 5.9/sq mi | Cotopaxi School District RE-3 / 3,025 |
| 106. | 5.8/sq mi | Byers School District 32J / 2,695 |
| 107. | 5.6/sq mi | Custer County School District C-1 / 3,825 |
| 108. | 5.1/sq mi | South Routt School District RE-3 / 2,975 |
| 109. | 5.0/sq mi | Wray School District RD-2 / 3,991 |
| 110. | 4.5/sq mi | Cheraw School District 31 / 595 |
| 111. | 4.3/sq mi | South Conejos School District RE-10 / 2,179 |
| 112. | 4.2/sq mi | Gunnison Watershed School District RE-1J / 15,435 |
| 113. | 4.0/sq mi | Akron School District R-1 / 2,653 |
| 114. | 4.0/sq mi | Miami-Yoder School District 60-JT / 1,661 |
| 115. | 3.9/sq mi | Hayden School District RE-1 / 2,688 |
| 116. | 3.9/sq mi | Weldon Valley School District RE-20J / 732 |
| 117. | 3.8/sq mi | Huerfano School District RE-1 / 5,135 |
| 118. | 3.7/sq mi | Haxtun School District RE-2J / 1,373 |
| 119. | 3.5/sq mi | Sierra Grande School District R-30 / 1,988 |
| 120. | 3.5/sq mi | Park County School District RE-2 / 6,648 |
| 121. | 3.3/sq mi | Springfield School District RE-4 / 1,907 |
| 122. | 3.2/sq mi | Frenchman School District RE-3 / 1,058 |
| 123. | 3.1/sq mi | Stratton School District R-4 / 1,066 |
| 124. | 3.1/sq mi | Big Sandy School District 100J / 1,679 |
| 125. | 3.1/sq mi | Holly School District RE-3 / 1,370 |
| 126. | 3.1/sq mi | Plateau Valley School District 50 / 2,507 |
| 127. | 3.0/sq mi | Fowler School District R-4J / 1,948 |
| 128. | 3.0/sq mi | Buffalo School District RE-4 / 803 |
| 129. | 2.9/sq mi | Sangre de Cristo School District RE-22J / 1,332 |
| 130. | 2.8/sq mi | Platte Valley School District RE-3 / 809 |
| 131. | 2.8/sq mi | Moffat County School District RE-1 / 13,286 |
| 132. | 2.7/sq mi | West Grand School District 1-JT / 3,216 |
| 133. | 2.6/sq mi | Moffat Consolidated School District 2 / 1,526 |
| 134. | 2.6/sq mi | Norwood School District R-2J / 2,034 |
| 135. | 2.5/sq mi | Otis School District R-3 / 796 |
| 136. | 2.5/sq mi | Bethune School District R-5 / 594 |
| 137. | 2.4/sq mi | Rangely School District RE-4 / 3,102 |
| 138. | 2.4/sq mi | Centennial School District R-1 / 1,590 |
| 139. | 2.3/sq mi | Primero Reorganized School District 2 / 1,178 |
| 140. | 2.2/sq mi | Granada School District RE-1 / 1,026 |
| 141. | 1.9/sq mi | West End School District RE-2 / 1,763 |
| 142. | 1.9/sq mi | Vilas School District RE-5 / 342 |
| 143. | 1.9/sq mi | Meeker School District RE1 / 3,637 |
| 144. | 1.8/sq mi | Deer Trail School District 26J / 666 |
| 145. | 1.8/sq mi | Hoehne Reorganized School District 3 / 2,079 |
| 146. | 1.8/sq mi | Cheyenne County School District RE-5 / 1,592 |
| 147. | 1.7/sq mi | Silverton School District 1 / 653 |
| 148. | 1.6/sq mi | Aguilar Reorganized School District 6 / 1,187 |
| 149. | 1.6/sq mi | Agate School District 300 / 748 |
| 150. | 1.6/sq mi | Liberty School District J-4 / 600 |
| 151. | 1.5/sq mi | Arriba-Flagler School District C-20 / 1,080 |
| 152. | 1.4/sq mi | Dolores County School District RE-2 / 1,898 |
| 153. | 1.4/sq mi | Plateau School District RE-5 / 546 |
| 154. | 1.4/sq mi | Genoa-Hugo School District C-113 / 1,210 |
| 155. | 1.4/sq mi | Briggsdale School District RE-10 / 553 |
| 156. | 1.4/sq mi | Walsh School District RE-1 / 1,070 |
| 157. | 1.4/sq mi | Idalia School District RJ-3 / 542 |
| 158. | 1.1/sq mi | Lone Star School District 101 / 220 |
| 159. | 1.1/sq mi | Mountain Valley School District RE-1 / 1,614 |
| 160. | 1.1/sq mi | McClave School District RE-2 / 706 |
| 161. | 1.0/sq mi | Hinsdale County School District RE-1 / 812 |
| 162. | 0.9/sq mi | Eads School District RE-1 / 1,114 |
| 163. | 0.9/sq mi | Hi-Plains School District R-23 / 485 |
| 164. | 0.9/sq mi | Pawnee School District RE-12 / 536 |
| 165. | 0.9/sq mi | North Park School District R-1 / 1,389 |
| 166. | 0.8/sq mi | Arickaree School District R-2 / 516 |
| 167. | 0.8/sq mi | Woodlin School District R-104 / 506 |
| 168. | 0.8/sq mi | Creede Consolidated School District 1 / 704 |
| 169. | 0.8/sq mi | Edison School District 54-JT / 268 |
| 170. | 0.7/sq mi | Prairie School District RE-11 / 470 |
| 171. | 0.6/sq mi | Kit Carson School District R-1 / 561 |
| 172. | 0.6/sq mi | De Beque School District 49-JT / 713 |
| 173. | 0.6/sq mi | Plainview School District RE-2 / 293 |
| 174. | 0.5/sq mi | Campo School District RE-6 / 179 |
| 175. | 0.4/sq mi | Karval School District RE-23 / 292 |
| 176. | 0.4/sq mi | Pritchett School District RE-3 / 237 |
| 177. | 0.3/sq mi | Kim Reorganized School District 88 / 355 |
| 178. | 0.2/sq mi | Branson Reorganized School District 82 / 148 |
Please note that we only rank locations with 'Population Density' data. The rank above might not be a complete list. Locations without 'Population Density' data are not listed.
