The Department of Mineral Resources says the March production was up about 12,500 barrels a day from February's average.
Western North Dakota's oil patch had a record 12,430 producing wells in March, up from 12,199 in February.
The state also produced 47.1 million cubic feet of natural gas in March. That's up from 41.3 million cubic feet of natural gas in February.
The average drill rig count in March was 108, down from 133 in February.
Drilling activity has slowed in recent months with slumping oil prices.
The number of drill rigs operating on Wednesday was 83.