| Place Name | Louisville |
| Place Type | City |
| ZIP Code(s) | 80027 |
| County | Boulder County |
| Area Code(s) | 303,720 |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 18,616 |
| Population Growth Rate (2010-19) | 15.51% |
| Majority Ethnicity | White 85.44% |
| Metro/Micro Stats Area | Boulder, CO |
| US Congressional District(s) | Colorado 2nd |
| State House Districts | 12 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 85.44% |
| African American | 1.11% |
| Hispanic | 0.14% |
| Asian | 4.43% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.89% |