List of Carnegie libraries in Colorado
The following list of Carnegie libraries in Colorado provides detailed information on United States Carnegie libraries in Colorado, where 35 public libraries were built from 27 grants awarded by the Carnegie Corporation of New York from 1899 to 1917. As of 2010, 30 of these buildings are still standing, and 18 still operate as libraries. In addition, the University of Denver was awarded an academic library building on April 16, 1906, with a $30,000 grant.
Key
Public libraries
| Library | City or town | Image | Date granted | Grant amount | Location | Notes | |
| 1 | Alamosa | Alamosa | $6,000 | Dedicated February 24, 1910, closed in 1961, demolished December 1962 | |||
| 2 | Boulder | Boulder | $15,000 | 1125 Pine St. | Completed in 1906 | ||
| 3 | Brush | Brush | $6,000 | 500 Clayton St. | Completed in 1915 | ||
| 4 | Cañon City | Cañon City | $13,000 | 516 Macon Ave. | Built in 1902 | ||
| 5 | Old Colorado City Branch | Old Colorado City | $10,000 | 2418 W. Pikes Peak Ave. | Completed in 1904 | ||
| 6 | Colorado Springs | Colorado Springs | $60,000 | 21 W. Kiowa St. | Completed in 1905 | ||
| 7 | Delta | Delta | $6,500 | 211 W. 6th St. | Completed in 1912 | ||
| 8 | Denver Main Branch | Denver | $360,000 | 144 W. Colfax Ave. | Dedicated February 1910, now the McNichols Civic Center | ||
| 9 | Denver Warren Branch | Denver | 3354 High St. | Completed in 1913, now used for residential lofts | |||
| 10 | Denver Woodbury Branch | Denver | 3265 Federal Blvd. | Built in 1912 | |||
| 11 | Denver Dickinson Branch | Denver | 1545 Hooker St. | Completed in 1914, closed in 1954, now houses an architecture firm | |||
| 12 | Denver Decker Branch | Denver | 1501 S. Logan St. | Completed in 1913 | |||
| 13 | Denver Byers Branch | Denver | 675 Santa Fe Dr. | Completed in 1918 | |||
| 14 | Denver Smiley Branch | Denver | 4501 W. 46th Ave. | Completed in 1918 | |||
| 15 | Denver Park Hill Branch | Denver | 4705 Montview Blvd. | Built 1920 in Spanish Renaissance style | |||
| 16 | Denver Elyria Branch | Denver | 1901 E. 47th Ave. | Opened in 1923, closed in 1952, now a private residence | |||
| 17 | Durango | Durango | $15,000 | 1188 E. 2nd Ave. | Completed in 1906, now houses city offices | ||
| 18 | Florence | Florence | $10,000 | 100 W. 2nd St. | Completed in 1919 | ||
| 19 | Fort Collins | Fort Collins | $12,500 | 200 Mathews St. | Completed in 1904, closed in 1976. Now houses a museum | ||
| 20 | Fort Morgan | Fort Morgan | $10,000 | 414 Main St. | Completed in 1916, original building surrounded by a later addition | ||
| 21 | Grand Junction | Grand Junction | $8,000 | 7th St. and Grand Ave. | Completed in 1901; demolished | ||
| 22 | Idaho Springs | Idaho Springs | $10,443 | 219 14th Ave. | Completed in 1904 | ||
| 23 | Lamar | Lamar | $12,000 | Completed in 1908, demolished in 1975 | |||
| 24 | Leadville | Leadville | $20,000 | 102 E. 9th St. | Completed in 1904, became the Leadville Heritage Museum in 1971 | ||
| 25 | Littleton | Littleton | $8,000 | 2707 W. Main St. | Completed in 1917, now a restaurant | ||
| 26 | Longmont | Longmont | $12,500 | 457 Fourth Ave. | Completed in 1913, now houses city offices | ||
| 27 | Loveland | Loveland | $10,000 | 205 E. 6th St. | Completed in 1908, demolished in 1964 | ||
| 28 | Manitou | Manitou Springs | $6,500 | 701 Manitou Ave. | Completed in 1911 | ||
| 29 | Monte Vista | Monte Vista | $10,000 | 120 Jefferson St. | Opened June 1919 | ||
| 30 | Pueblo | Pueblo | $70,000 | 100 E. Abriendo Ave. | Completed in 1904, demolished c. 1965 | ||
| 31 | Rocky Ford | Rocky Ford | $10,000 | 1005 Sycamore Ave. | Completed in 1909, now a museum | ||
| 32 | Salida | Salida | $9,000 | 405 E St. | Completed in 1909 | ||
| 33 | Silverton | Silverton | $12,000 | 1111 Reese St. | Completed in 1906 | ||
| 34 | Sterling | Sterling | $12,500 | 210 S. 4th St. | Completed in 1918, now a private residence. | ||
| 35 | Trinidad | Trinidad | $15,000 | 202 N. Animas St. | Completed in 1904 |