| Rank | County | Production Period | Oil Production |
|---|---|---|---|
| #1 | Weld County, CO | May 2026 | 11.8M BBLs |
| #2 | Adams County, CO | May 2026 | 781.9k BBLs |
| #3 | Arapahoe County, CO | May 2026 | 422.7k BBLs |
| #4 | Rio Blanco County, CO | May 2026 | 262.8k BBLs |
| #5 | Larimer County, CO | May 2026 | 165.3k BBLs |
| #6 | Jackson County, CO | May 2026 | 109.2k BBLs |
| #7 | Broomfield County, CO | May 2026 | 69.1k BBLs |
| #8 | Garfield County, CO | May 2026 | 56.5k BBLs |
| #9 | Cheyenne County, CO | May 2026 | 45.7k BBLs |
| #10 | Elbert County, CO | May 2026 | 22.6k BBLs |
| #11 | Moffat County, CO | May 2026 | 20k BBLs |
| #12 | Washington County, CO | May 2026 | 17.6k BBLs |
| Rank | County | Production Period | Gas Production |
|---|---|---|---|
| #13 | Larimer County, CO | May 2026 | 908.2k MCF |
| #14 | Yuma County, CO | May 2026 | 841.9k MCF |
| #15 | Gunnison County, CO | May 2026 | 378.1k MCF |
| #16 | Moffat County, CO | May 2026 | 366.4k MCF |
| #17 | Cheyenne County, CO | May 2026 | 328.4k MCF |
| #18 | Huerfano County, CO | May 2026 | 261.9k MCF |
| #19 | Jackson County, CO | May 2026 | 194.7k MCF |
| #20 | Delta County, CO | May 2026 | 186.9k MCF |
| #21 | Washington County, CO | May 2026 | 55.1k MCF |
| #22 | Elbert County, CO | May 2026 | 40.2k MCF |
| #23 | Boulder County, CO | May 2026 | 23.7k MCF |
| #24 | Prowers County, CO | May 2026 | 16.4k MCF |