Most populous ZIP codes in Colorado
Top 25 most populous ZIP codes in Colorado. #1 is 80134 (Parker) with about 77,814 residents. Compare population, income, and housing on US5.
These ZIP codes have the largest populations in Colorado. Population totals are aggregated from published ZIP-area Census estimates on US5.
The largest codes are 80134 (Parker) with about 77,814 residents; 80013 (Aurora) with about 74,732 residents; 80015 (Centennial) with about 72,155 residents.
Open any ZIP for a full demographics, income, and housing profile, or return to the Colorado state page for the complete ZIP table.
Ranked ZIP codes
| # | ZIP | City | County | Population | Population | Income | Home value |
|---|---|---|---|---|---|---|---|
| 1 | 80134 | Parker | Douglas County | 77,814 | 77,814 | $142,162 | $643,200 |
| 2 | 80013 | Aurora | Arapahoe County | 74,732 | 74,732 | $97,167 | $453,700 |
| 3 | 80015 | Centennial | Arapahoe County | 72,155 | 72,155 | $121,640 | $558,900 |
| 4 | 80016 | Aurora | Arapahoe County | 66,479 | 66,479 | $148,421 | $707,700 |
| 5 | 80634 | Greeley | Weld County | 63,553 | 63,553 | $83,255 | $405,300 |
| 6 | 80504 | Firestone | Weld County | 61,305 | 61,305 | $109,671 | $556,500 |
| 7 | 80219 | Denver | Denver County | 60,095 | 60,095 | $67,325 | $426,200 |
| 8 | 80022 | Commerce City | Adams County | 59,556 | 59,556 | $98,858 | $448,400 |
| 9 | 80229 | Thornton | Adams County | 57,274 | 57,274 | $83,450 | $382,900 |
| 10 | 80525 | Fort Collins | Larimer County | 55,541 | 55,541 | $93,349 | $563,100 |
| 11 | 80631 | Greeley | Weld County | 53,920 | 53,920 | $52,470 | $300,400 |
| 12 | 80020 | Broomfield | Broomfield County | 53,589 | 53,589 | $114,039 | $570,100 |
| 13 | 80011 | Aurora | Adams County | 53,334 | 53,334 | $69,719 | $367,200 |
| 14 | 80012 | Aurora | Arapahoe County | 51,389 | 51,389 | $69,835 | $398,300 |
| 15 | 80538 | Loveland | Larimer County | 49,183 | 49,183 | $85,057 | $472,200 |
| 16 | 80918 | Colorado Springs | El Paso County | 48,291 | 48,291 | $82,743 | $414,400 |
| 17 | 80233 | Thornton | Adams County | 47,692 | 47,692 | $85,132 | $441,300 |
| 18 | 80123 | Columbine | Jefferson County | 45,364 | 45,364 | $106,731 | $581,800 |
| 19 | 80537 | Loveland | Larimer County | 44,505 | 44,505 | $83,746 | $460,100 |
| 20 | 80126 | Highlands Ranch | Douglas County | 44,482 | 44,482 | $166,501 | $713,500 |
| 21 | 80526 | Fort Collins | Larimer County | 44,423 | 44,423 | $89,098 | $520,500 |
| 22 | 80550 | Windsor | Weld County | 44,224 | 44,224 | $121,487 | $538,900 |
| 23 | 80239 | Denver | Denver County | 44,077 | 44,077 | $86,661 | $394,500 |
| 24 | 80127 | Dakota Ridge | Jefferson County | 43,826 | 43,826 | $137,753 | $663,900 |
| 25 | 80501 | Longmont | Boulder County | 43,591 | 43,591 | $77,705 | $461,400 |
Frequently asked questions
What are the most populous ZIP codes in Colorado?
The largest ZIP on this board is 80134 (Parker) with about 77,814 residents. See the ranked table for the full top 25.
How does US5 rank ZIP codes in Colorado?
We rank indexable ZIP codes by population from high to low.
Where can I explore all ZIP codes in Colorado?
Visit the Colorado state page for the full ZIP table, demographics summary, and sortable income/housing columns.