
Belmar
- County:
- Arthur County
- County Seat:
- No
- Area (mi²):
- 4.582
- State:
- Nebraska
Belmar is a CDP located in Arthur County, Nebraska. Belmar has a 2025 population of 51. Belmar is currently declining at a rate of -17.74% annually and its population has decreased by -36.25% since the most recent census, which recorded a population of 80 in 2020.
The average household income in Belmar is $71,425 with a poverty rate of 20.35%. The median age in Belmar is 59.1 years: 69.5 years for males, and 51.6 years for females.