Teton County, located in Montana, has a population of 6,121 people with a population density of 2.7 people per square mile. The racial composition of the county is predominantly White, with 95.4% of the population identifying as White, 1.4% as American Indian or Alaska Native, 0.1% as Black, 0.1% as Asian, and 1.8% as two or more races. The county has a slightly higher percentage of White residents compared to the state average of 89.3%, and a lower percentage of American Indian or Alaska Native residents compared to the state average of 6.7%.

In terms of households, there are 2,450 households in Teton County, with an average household size of 2.29. The county has a total of 1,643 families, with an average family size of 2.83. The homeownership rate in Teton County is 63.6%, with 29.2% of households being renter-occupied. Additionally, there are 686 farms in the county, with an average size of 1,294 acres and a total crop acreage of 460,072 acres. Teton County's average farm size and crop acreage are slightly lower than the state average, indicating that the county has a smaller agricultural presence compared to other counties in Montana.