
Killdeer
- County:
- Dunn County
- County Seat:
- No
- Area (mi²):
- 1.849
- State:
- North Dakota
Killdeer is a city located in Dunn County, North Dakota. Killdeer has a 2025 population of 888. Killdeer is currently declining at a rate of -1.11% annually and its population has decreased by -5.33% since the most recent census, which recorded a population of 938 in 2020.
The average household income in Killdeer is $112,023 with a poverty rate of 9.73%. The median age in Killdeer is 40.6 years: 40.8 years for males, and 39.9 years for females.