Teton, ID has a population of 1,038 and is the 14,923rd largest city in the United States. The population density is 1,506 per sq mi which is 7791% higher than the Idaho average and 1562% higher than the national average. The median age in Teton is 30 which is approximately 15% lower than the Idaho average of 36. In Teton, 66% of the population over 15 years of age are married, 80% speak English and 19% speak Spanish. 61% of Teton residents were born in Idaho, 28% were born out of state, 0% were born outside of the United States and 11% were foreign born.