Littleton, Colorado ZIP Codes
- ZIP records
10 - Sum of listed ZIP population estimates
320,158 - Counties represented
3 - Population range
15,630–44,882 per ZIP
Population sum includes positive estimates in these ZIP records; it is not an official city population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | County | Population estimate |
|---|---|---|---|---|
| 1 | 80126 | Littleton | Douglas | 44,882 |
| 2 | 80123 | Littleton | Jefferson | 44,549 |
| 3 | 80127 | Littleton | Jefferson | 43,494 |
| 4 | 80128 | Littleton | Jefferson | 36,712 |
| 5 | 80122 | Littleton | Arapahoe | 32,195 |
| 6 | 80129 | Littleton | Douglas | 30,223 |
| 7 | 80120 | Littleton | Arapahoe | 29,725 |
| 8 | 80130 | Littleton | Douglas | 24,719 |
| 9 | 80121 | Littleton | Arapahoe | 18,029 |
| 10 | 80125 | Littleton | Douglas | 15,630 |
Counties represented
All ZIP Codes in Littleton
- ZIP 80120 — Arapahoe County
- ZIP 80121 — Arapahoe County
- ZIP 80122 — Arapahoe County
- ZIP 80123 — Jefferson County
- ZIP 80125 — Douglas County
- ZIP 80126 — Douglas County
- ZIP 80127 — Jefferson County
- ZIP 80128 — Jefferson County
- ZIP 80129 — Douglas County
- ZIP 80130 — Douglas County
Browse all ZIP data for Colorado
Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.