
Middleton
- County:
- Canyon County
- County Seat:
- No
- Area (mi²):
- 6.114
- State:
- Idaho
Middleton is a city located in Canyon County, Idaho. Middleton has a 2025 population of 11,987. Middleton is currently growing at a rate of 4.23% annually and its population has increased by 25.4% since the most recent census, which recorded a population of 9,559 in 2020.
The average household income in Middleton is $93,874 with a poverty rate of 7.16%. The median age in Middleton is 34.3 years: 31.7 years for males, and 35.8 years for females.