Weeksville, MT has a population of 61 and is the 27,899th largest city in the United States. The population density is 21 per sq mi which is 207% higher than the Montana average and 77% lower than the national average. The median age in Weeksville is 46 which is approximately 14% higher than the Montana average of 40. In Weeksville, 61% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 39% of Weeksville residents were born in Montana, 61% were born out of state, 0% were born outside of the United States and 0% were foreign born.