100 Largest ZIP Codes in the United States by Population in Douglas County, Colorado
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Douglas County, Colorado.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 80134 | PARKER | CO | 75,383 |
| 2 | 80126 | LITTLETON | CO | 43,691 |
| 3 | 80138 | PARKER | CO | 36,113 |
| 4 | 80104 | CASTLE ROCK | CO | 35,084 |
| 5 | 80108 | CASTLE ROCK | CO | 33,259 |
| 6 | 80129 | LITTLETON | CO | 29,974 |
| 7 | 80109 | CASTLE ROCK | CO | 27,852 |
| 8 | 80130 | LITTLETON | CO | 25,551 |
| 9 | 80124 | LONE TREE | CO | 22,567 |
| 10 | 80125 | LITTLETON | CO | 13,048 |
| 11 | 80118 | LARKSPUR | CO | 5,940 |
| 12 | 80116 | FRANKTOWN | CO | 4,884 |
| 13 | 80135 | SEDALIA | CO | 4,061 |
| 14 | 80131 | LOUVIERS | CO | 250 |