| State: | Colorado |
| District: | 1 |
| Chamber: | House of Representatives |
| Representative: | Javier Mabrey |
| Party: | Democratic |
| Residence: | Denver |
| Democratic: | 38.9 |
| Republican: | 15.5 |
| Npp: | 43.7 |
| Percent White: | 42 |
| Percent Black: | 2 |
| Percent Hispanic: | 48 |
| Percent Asian: | 5 |
| Percent Multiracial: | 2 |
| Population: | 81,761[1] |
| Population Year: | 2021 |
| Registered: | 49,773[2] |
Colorado's 1st House of Representatives district is one of 65 districts in the Colorado House of Representatives. It has been represented by Democrat Javier Mabrey since 2022.
District 1 covers southwestern Denver.[3]
The district is located entirely within Colorado's 1st congressional district and overlaps with the 16th, 32nd, 34th districts within the Colorado Senate.[4]