
Houstonia
- County:
- Pettis County
- County Seat:
- No
- Area (mi²):
- 0.198
- State:
- Missouri
Houstonia is a city located in Pettis County, Missouri. Houstonia has a 2025 population of 197. Houstonia is currently declining at a rate of 0% annually and its population has increased by 0.51% since the most recent census, which recorded a population of 196 in 2020.
The average household income in Houstonia is $65,985 with a poverty rate of 8.63%. The median age in Houstonia is 54.9 years: 36.8 years for males, and 61.2 years for females.