Монтана штатындағы Сент-Игнатиус қаласы

St. Ignatius (Salish: snyél̓mn, Ktunaxa: ʔa·kikqǂaǂaǂuk̓pǂiʔit) is a town in Lake County, Montana, United States. The population was 768 at the 2020 census. The town is located on the Flathead Indian Reservation.

It was named for and is the site of the St. Ignatius Mission, established by Fr. Pierre Jean De Smet, a Belgian Jesuit Catholic missionary who worked for his entire career in the American Midwest and West The mission is listed on the National Register of Historic Places. In July 1919 the town was all but wiped out by raging forest fire. Only a bank, one store and a hotel, remained standing.

U. S. Route 93 passes through town. According to the United States Census Bureau, the town has a total area of 0.56 square miles (1 km2), all land.

This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, St. Ignatius has a humid continental climate, abbreviated "Dfb" on climate maps.

As of the census of 2000, there were 788 people, 307 households, and 194 families living in the town. The population density was There were 328 housing units at an average density of The racial makeup of the town was 52.54% White, 44.67% Native American, 0.13% Asian, 0.13% Pacific Islander, 0.25% from other races, and 2.28% from two or more races. Hispanic or Latino of any race were 4.19% of the population. There were 307 households, out of which 34.5% had children under the age of 18 living with them, 40.4% were married couples living together, 18.6% had a female householder with no husband present, and 36.8% were non families. 31.9% of all households were made up of individuals, and 15.0% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.27. In the town, the population was spread out, with 32.1% under the age of 18, 9.3% from 18 to 24, 24.6% from 25 to 44, 21.7% from 45 to 64, and 12.3% who were 65 years of age or older. The median age was 33 years. For every 100 females there were 84.5 males. For every 100 females age 18 and over, there were 74.8 males. The median income for a household in the town was $25,682, and the median income for a family was $34,250. Males had a median income of $30,804 versus $24,844 for females. The per capita income for the town was $12,336. About 15.5% of families and 19.5% of the population were below the poverty line, including 20.2% of those under age 18 and 17.6% of those age 65 or over.

The Valley Journal provides local news to Arlee, Charlo, Pablo, Polson, Ronan, and St. Ignatius.