North Liberty
- County:
- Johnson County
- County Seat:
- No
- Area (mi²):
- 9.528
- State:
- Iowa
North Liberty is a city located in Johnson County, Iowa. North Liberty has a 2026 population of 21,904. North Liberty is currently growing at a rate of 2.96% annually and its population has increased by 6.83% since the most recent census, which recorded a population of 20,503 in 2020.