Consider Crittenden County in Western Kentucky, with Marion as its county seat, for your land investment. Boasting a population under 9,000, this county offers a rural charm and proximity to the Ohio River, attracting buyers looking for agricultural land or a quiet, family-friendly environment. Edmonson County is home to Mammoth Cave National Park. Brownsville serves as the county seat for this sparsely populated county known for cave country tourism, affordable land, and minimal development pressure.