Elkhorn township
- County:
- Brown County
- County Seat:
- No
- Area (mi²):
- 37.399
- State:
- Illinois
Elkhorn township is located in Brown County, Illinois. Elkhorn township has a 2026 population of 303. Elkhorn township is currently growing at a rate of 0.33% annually and its population has increased by 2.02% since the most recent census, which recorded a population of 297 in 2020.
The median household income in Elkhorn township is $56,419 with a poverty rate of 17.37%. The median age in Elkhorn township is 38.7 years: 38.7 years for males, and 34 years for females. For every 100 females there are 115.2 males.