Elizabethtown
- County:
- Hardin County
- County Seat:
- Yes
- Area (mi²):
- 0.705
- State:
- Illinois
Elizabethtown is a village located in Hardin County, Illinois. Elizabethtown has a 2026 population of 223. It is also the county seat of Hardin County. Elizabethtown is currently declining at a rate of -1.76% annually and its population has decreased by -3.04% since the most recent census, which recorded a population of 230 in 2020.