| Official Name: | McAllister, Montana |
| Pushpin Map: | Montana#USA |
| Pushpin Label: | McAllister |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Madison |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 5.88 |
| Area Land Km2: | 5.88 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 2.27 |
| Area Land Sq Mi: | 2.27 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 278 |
| Population Density Km2: | 47.31 |
| Population Density Sq Mi: | 122.52 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 4908 |
| Coordinates: | 45.4444°N -111.7322°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 59740 |
| Area Code: | 406 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 773949 |
| Blank1 Name: | FIPS code |
| Blank1 Info: | 30-46225 |
McAllister is an unincorporated community and census-designated place in Madison County, Montana, United States. As of the 2020 census, it had a population of 278.[2] McAllister is located on U.S. Route 287, 6miles north of Ennis. The community has a post office with ZIP code 59740.[3] [4]
The post office opened in 1869 under the name "Meadow Creek". It was renamed in 1896 for James Alexander McAllister Jr., son of a couple who settled in the area in 1871.[5] [6]
McAllister is in northeastern Madison County, on the west side of Ennis Lake, an impoundment of the Madison River. According to the U.S. Census Bureau, the McAllister CDP has an area of 2.27sqmi, all land.[1]