| Place Name | Caldwell |
| Place Type | City |
| ZIP Code(s) | 83605 83607 |
| County | Canyon County |
| Area Code(s) | 208 |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 46,229 |
| Population Growth Rate (2010-19) | 29.76% |
| Majority Ethnicity | White 63.28% |
| Metro/Micro Stats Area | Boise City, ID |
| US Congressional District(s) | Idaho 1st |
| State House Districts | 10,11 |
| State Senate Districts | 10,11 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 63.28% |
| African American | 0.33% |
| Hispanic | 1.18% |
| Asian | 0.74% |
| Native American | 0.16% |
| Hawaiin/Pacific Islander | 34.31% |