100 Largest ZIP Codes in the United States by Population in Colorado
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists the top ZIP codes in Colorado.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 80134 | PARKER | CO | 75,383 |
| 2 | 80013 | AURORA | CO | 73,870 |
| 3 | 80015 | AURORA | CO | 72,841 |
| 4 | 80016 | AURORA | CO | 64,842 |
| 5 | 80219 | DENVER | CO | 64,696 |
| 6 | 80634 | GREELEY | CO | 62,001 |
| 7 | 80504 | LONGMONT | CO | 60,527 |
| 8 | 80022 | COMMERCE CITY | CO | 58,681 |
| 9 | 80229 | DENVER | CO | 55,929 |
| 10 | 80525 | FORT COLLINS | CO | 55,315 |
| 11 | 80631 | GREELEY | CO | 54,346 |
| 12 | 80020 | BROOMFIELD | CO | 53,475 |
| 13 | 80012 | AURORA | CO | 52,741 |
| 14 | 80011 | AURORA | CO | 52,633 |
| 15 | 80918 | COLORADO SPRINGS | CO | 49,218 |
| 16 | 80538 | LOVELAND | CO | 48,929 |
| 17 | 80233 | DENVER | CO | 48,694 |
| 18 | 80239 | DENVER | CO | 46,450 |
| 19 | 80123 | LITTLETON | CO | 45,388 |
| 20 | 80526 | FORT COLLINS | CO | 44,478 |
| 21 | 80127 | LITTLETON | CO | 44,235 |
| 22 | 80126 | LITTLETON | CO | 43,691 |
| 23 | 80537 | LOVELAND | CO | 43,620 |
| 24 | 80501 | LONGMONT | CO | 43,222 |
| 25 | 80010 | AURORA | CO | 42,892 |
| 26 | 80401 | GOLDEN | CO | 42,777 |
| 27 | 80550 | WINDSOR | CO | 41,428 |
| 28 | 80601 | BRIGHTON | CO | 41,062 |
| 29 | 80602 | BRIGHTON | CO | 40,886 |
| 30 | 80017 | AURORA | CO | 40,299 |
| 31 | 80221 | DENVER | CO | 40,140 |
| 32 | 80916 | COLORADO SPRINGS | CO | 39,795 |
| 33 | 80249 | DENVER | CO | 39,685 |
| 34 | 80014 | AURORA | CO | 39,024 |
| 35 | 80906 | COLORADO SPRINGS | CO | 38,732 |
| 36 | 80920 | COLORADO SPRINGS | CO | 38,727 |
| 37 | 80524 | FORT COLLINS | CO | 38,711 |
| 38 | 80521 | FORT COLLINS | CO | 38,200 |
| 39 | 80210 | DENVER | CO | 37,792 |
| 40 | 80909 | COLORADO SPRINGS | CO | 37,113 |
| 41 | 80128 | LITTLETON | CO | 37,061 |
| 42 | 80031 | WESTMINSTER | CO | 36,274 |
| 43 | 80220 | DENVER | CO | 36,236 |
| 44 | 80503 | LONGMONT | CO | 36,235 |
| 45 | 80003 | ARVADA | CO | 36,233 |
| 46 | 80211 | DENVER | CO | 36,187 |
| 47 | 80138 | PARKER | CO | 36,113 |
| 48 | 80112 | ENGLEWOOD | CO | 36,058 |
| 49 | 80004 | ARVADA | CO | 35,349 |
| 50 | 80260 | DENVER | CO | 35,309 |
| 51 | 80227 | DENVER | CO | 35,187 |
| 52 | 80021 | BROOMFIELD | CO | 35,128 |
| 53 | 80104 | CASTLE ROCK | CO | 35,084 |
| 54 | 80911 | COLORADO SPRINGS | CO | 35,001 |
| 55 | 80516 | ERIE | CO | 34,998 |
| 56 | 80228 | DENVER | CO | 34,813 |
| 57 | 80204 | DENVER | CO | 34,534 |
| 58 | 80231 | DENVER | CO | 34,484 |
| 59 | 81007 | PUEBLO | CO | 34,337 |
| 60 | 80205 | DENVER | CO | 34,289 |
| 61 | 80027 | LOUISVILLE | CO | 34,161 |
| 62 | 80241 | THORNTON | CO | 33,656 |
| 63 | 80108 | CASTLE ROCK | CO | 33,259 |
| 64 | 80026 | LAFAYETTE | CO | 32,675 |
| 65 | 81212 | CANON CITY | CO | 32,146 |
| 66 | 80111 | ENGLEWOOD | CO | 32,116 |
| 67 | 80917 | COLORADO SPRINGS | CO | 32,069 |
| 68 | 80226 | DENVER | CO | 32,063 |
| 69 | 80910 | COLORADO SPRINGS | CO | 32,038 |
| 70 | 80831 | PEYTON | CO | 31,824 |
| 71 | 80122 | LITTLETON | CO | 31,650 |
| 72 | 80923 | COLORADO SPRINGS | CO | 31,593 |
| 73 | 81005 | PUEBLO | CO | 31,499 |
| 74 | 81504 | GRAND JUNCTION | CO | 31,380 |
| 75 | 81001 | PUEBLO | CO | 31,160 |
| 76 | 80817 | FOUNTAIN | CO | 31,132 |
| 77 | 80302 | BOULDER | CO | 30,569 |
| 78 | 80120 | LITTLETON | CO | 30,421 |
| 79 | 80129 | LITTLETON | CO | 29,974 |
| 80 | 81301 | DURANGO | CO | 29,894 |
| 81 | 80922 | COLORADO SPRINGS | CO | 29,750 |
| 82 | 80238 | DENVER | CO | 29,391 |
| 83 | 80005 | ARVADA | CO | 29,155 |
| 84 | 80234 | DENVER | CO | 28,796 |
| 85 | 80919 | COLORADO SPRINGS | CO | 28,624 |
| 86 | 80247 | DENVER | CO | 28,580 |
| 87 | 80132 | MONUMENT | CO | 28,159 |
| 88 | 80109 | CASTLE ROCK | CO | 27,852 |
| 89 | 80907 | COLORADO SPRINGS | CO | 27,628 |
| 90 | 80033 | WHEAT RIDGE | CO | 27,384 |
| 91 | 80214 | DENVER | CO | 26,634 |
| 92 | 81004 | PUEBLO | CO | 26,261 |
| 93 | 80023 | BROOMFIELD | CO | 25,988 |
| 94 | 80304 | BOULDER | CO | 25,617 |
| 95 | 80130 | LITTLETON | CO | 25,551 |
| 96 | 80209 | DENVER | CO | 25,180 |
| 97 | 80206 | DENVER | CO | 24,903 |
| 98 | 80303 | BOULDER | CO | 24,865 |
| 99 | 80439 | EVERGREEN | CO | 24,764 |
| 100 | 80301 | BOULDER | CO | 24,593 |