Johnstown
- County:
- Brown County
- County Seat:
- No
- Area (mi²):
- 0.533
- State:
- Nebraska
Johnstown is a village located in Brown County, Nebraska. Johnstown has a 2026 population of 45. Johnstown is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 45 in 2020.
The median age in Johnstown is 64.7 years: 64.2 years for males, and 0 years for females. For every 100 females there are 300.0 males.