Buhl, ID has a population of 4,243 and is the 7,173rd largest city in the United States. The population density is 2,259 per sq mi which is 11738% higher than the Idaho average and 2393% higher than the national average. The median age in Buhl is 34 which is approximately 4% lower than the Idaho average of 36. In Buhl, 67% of the population over 15 years of age are married, 78% speak English and 21% speak Spanish. 44% of Buhl residents were born in Idaho, 44% were born out of state, 0% were born outside of the United States and 12% were foreign born.