Gardner
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 0.497
- State:
- North Dakota
Gardner is a city located in Cass County, North Dakota. Gardner has a 2026 population of 125. Gardner is currently declining at a rate of -2.34% annually and its population has decreased by -3.1% since the most recent census, which recorded a population of 129 in 2020.
The median household income in Gardner is $103,750 with a poverty rate of 0%. The median age in Gardner is 35.1 years: 35.2 years for males, and 34.5 years for females. For every 100 females there are 86.6 males.