Arvonia township
- County:
- Osage County
- County Seat:
- No
- Area (mi²):
- 43.308
- State:
- Kansas
Arvonia township is located in Osage County, Kansas. Arvonia township has a 2026 population of 109. Arvonia township is currently growing at a rate of 0.93% annually and its population has increased by 1.87% since the most recent census, which recorded a population of 107 in 2020.
The median household income in Arvonia township is $102,250 with a poverty rate of 0%. The median age in Arvonia township is 33.1 years: 31.1 years for males, and 45.1 years for females. For every 100 females there are 98.8 males.