
Delta
- County:
- Delta County
- County Seat:
- Yes
- Area (mi²):
- 13.274
- State:
- Colorado
Delta is a city located in Delta County, Colorado. Delta has a 2025 population of 9,956. It is also the county seat of Delta County. Delta is currently growing at a rate of 1.83% annually and its population has increased by 9.85% since the most recent census, which recorded a population of 9,063 in 2020.
The average household income in Delta is $75,171 with a poverty rate of 19.54%. The median age in Delta is 41.9 years: 40.3 years for males, and 43.9 years for females.