
McCook
- County:
- Frontier County
- County Seat:
- No
- Area (mi²):
- 5.459
- State:
- Nebraska
McCook is a city located in Frontier County, Nebraska. McCook has a 2025 population of 7,145. McCook is currently declining at a rate of -0.75% annually and its population has decreased by -3.63% since the most recent census, which recorded a population of 7,414 in 2020.
The average household income in McCook is $79,067 with a poverty rate of 16.44%. The median age in McCook is 40.7 years: 39.8 years for males, and 42.5 years for females.