White Sulphur Springs is a city in and the county seat of Meagher County, Montana, United States. The population was 939 at the 2010 census.The center of population of Montana is located in White Sulphur Springs.Geography and climateWhite Sulphur Springs is located at .According to the United States Census Bureau, the city has a total area of 1.01sqmi, all land.Demographics2010 censusAs of the census of 2010, there were 939 people, 433 households, and 255 families residing in the city. The population density was 929.7PD/sqmi. There were 563 housing units at an average density of 557.4/sqmi. The racial makeup of the city was 97.2% White, 0.1% African American, 0.3% Native American, 0.4% Asian, 0.2% from other races, and 1.7% from two or more races. Hispanic or Latino of any race were 1.4% of the population.There were 433 households of which 22.2% had children under the age of 18 living with them, 49.4% were married couples living together, 7.9% had a female householder with no husband present, 1.6% had a male householder with no wife present, and 41.1% were non-families. 37.4% of all households were made up of individuals and 19.6% had someone living alone who was 65 years of age or older. The average household size was 2.13 and the average family size was 2.75.