Diehlstadt
- County:
- Mississippi County
- County Seat:
- No
- Area (mi²):
- 0.074
- State:
- Missouri
Diehlstadt is a village located in Mississippi County, Missouri. Diehlstadt has a 2026 population of 157. Diehlstadt is currently declining at a rate of 0% annually and its population has decreased by -1.26% since the most recent census, which recorded a population of 159 in 2020.
The median household income in Diehlstadt is $46,250 with a poverty rate of 11.5%. The median age in Diehlstadt is 42.6 years: 39.5 years for males, and 45.5 years for females. For every 100 females there are 85.2 males.