| Zip Code | Primary City | Secondary City | More Information |
| 80003 | Arvada | Westminster | Westminster population stats |
| 80005 | Arvada | Westminster | Westminster population stats |
| 80012 | Aurora | Denver | Denver population stats |
| 80014 | Aurora | Denver | Denver population stats |
| 80020 | Broomfield | Westminster | Westminster population stats |
| 80021 | Broomfield | Westminster | Westminster population stats |
| 80022 | Commerce City | Denver | Denver population stats |
| 80023 | Broomfield | Westminster | Westminster population stats |
| 80033 | Wheat Ridge | Denver | Denver population stats |
| 80123 | Littleton | Denver | Denver population stats |
| 80127 | Littleton | Denver | Denver population stats |
| 80221 | Denver | Westminster | Westminster population stats |
| 80234 | Denver | Westminster | Westminster population stats |
| 80241 | Thornton | Denver | Denver population stats |
| 80241 | Thornton | Westminster | Westminster population stats |
| 80260 | Denver | Westminster | Westminster population stats |
| 80002 | Arvada | Denver | Denver population stats |
| 80023 | Broomfield | Denver | Denver population stats |
| 80030 | Westminster | Denver | Denver population stats |
| 80031 | Westminster | Denver | Denver population stats |
| 80030 | Westminster | Westminster | Westminster population stats |
| 80035 | Westminster | Westminster | Westminster population stats |
| 80036 | Westminster | Westminster | Westminster population stats |
| 80201 | Denver | Denver | Denver population stats |
| 80202 | Denver | Denver | Denver population stats |
| 80203 | Denver | Denver | Denver population stats |
| 80204 | Denver | Denver | Denver population stats |
| 80205 | Denver | Denver | Denver population stats |
| 80206 | Denver | Denver | Denver population stats |
| 80207 | Denver | Denver | Denver population stats |
| 80208 | Denver | Denver | Denver population stats |
| 80209 | Denver | Denver | Denver population stats |
| 80210 | Denver | Denver | Denver population stats |
| 80211 | Denver | Denver | Denver population stats |
| 80212 | Denver | Denver | Denver population stats |
| 80214 | Denver | Denver | Denver population stats |
| 80215 | Denver | Denver | Denver population stats |
| 80216 | Denver | Denver | Denver population stats |
| 80217 | Denver | Denver | Denver population stats |
| 80218 | Denver | Denver | Denver population stats |
| 80219 | Denver | Denver | Denver population stats |
| 80220 | Denver | Denver | Denver population stats |
| 80221 | Denver | Denver | Denver population stats |
| 80222 | Denver | Denver | Denver population stats |
| 80223 | Denver | Denver | Denver population stats |
| 80224 | Denver | Denver | Denver population stats |
| 80225 | Denver | Denver | Denver population stats |
| 80226 | Denver | Denver | Denver population stats |
| 80227 | Denver | Denver | Denver population stats |
| 80228 | Denver | Denver | Denver population stats |
| 80229 | Denver | Denver | Denver population stats |
| 80230 | Denver | Denver | Denver population stats |
| 80231 | Denver | Denver | Denver population stats |
| 80232 | Denver | Denver | Denver population stats |
| 80233 | Denver | Denver | Denver population stats |
| 80234 | Denver | Denver | Denver population stats |
| 80235 | Denver | Denver | Denver population stats |
| 80236 | Denver | Denver | Denver population stats |
| 80237 | Denver | Denver | Denver population stats |
| 80238 | Denver | Denver | Denver population stats |
| 80239 | Denver | Denver | Denver population stats |
| 80243 | Denver | Denver | Denver population stats |
| 80244 | Denver | Denver | Denver population stats |
| 80246 | Denver | Denver | Denver population stats |
| 80247 | Denver | Denver | Denver population stats |
| 80248 | Denver | Denver | Denver population stats |
| 80249 | Denver | Denver | Denver population stats |
| 80250 | Denver | Denver | Denver population stats |
| 80251 | Denver | Denver | Denver population stats |
| 80252 | Denver | Denver | Denver population stats |
| 80256 | Denver | Denver | Denver population stats |
| 80257 | Denver | Denver | Denver population stats |
| 80259 | Denver | Denver | Denver population stats |
| 80260 | Denver | Denver | Denver population stats |
| 80261 | Denver | Denver | Denver population stats |
| 80262 | Denver | Denver | Denver population stats |
| 80263 | Denver | Denver | Denver population stats |
| 80264 | Denver | Denver | Denver population stats |
| 80265 | Denver | Denver | Denver population stats |
| 80266 | Denver | Denver | Denver population stats |
| 80271 | Denver | Denver | Denver population stats |
| 80273 | Denver | Denver | Denver population stats |
| 80274 | Denver | Denver | Denver population stats |
| 80279 | Denver | Denver | Denver population stats |
| 80280 | Denver | Denver | Denver population stats |
| 80281 | Denver | Denver | Denver population stats |
| 80290 | Denver | Denver | Denver population stats |
| 80291 | Denver | Denver | Denver population stats |
| 80293 | Denver | Denver | Denver population stats |
| 80294 | Denver | Denver | Denver population stats |
| 80295 | Denver | Denver | Denver population stats |
| 80299 | Denver | Denver | Denver population stats |