Louisville city, Colorado
Official LSAD Designation: Louisville city • Census GEOID: 0846355
• Boulder County
Louisville city is an incorporated city in Boulder County, Colorado. According to official records from the Census (2025), Louisville city had an estimated population of 20,581 residents. Official Census Bureau geographic records classify this community under LSAD designation Louisville city (GEOID 0846355).
Local Government Administration U.S. Census Bureau GMAF
City Of Louisville
Municipal
Official Title:
Public Relations Manager
Address:
749 MAIN ST, LOUISVILLE CO 80027-1829
County Of Boulder
County
Official Title:
Chairman
Address:
PO BOX 471, BOULDER CO 80306-0471
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 20,581 | 2025 |
| Median Household Income | $147,319 | 2020-2024 |
| Median Home Value | $883,900 | 2020-2024 |
| Land Area | 7.98 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).