| Official Name: | Reserve, Montana |
| Settlement Type: | CDP |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Sheridan |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 3.49 |
| Area Land Km2: | 3.49 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 1.35 |
| Area Land Sq Mi: | 1.35 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 33 |
| Population Density Km2: | 9.44 |
| Population Density Sq Mi: | 24.46 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation M: | 597 |
| Elevation Ft: | 1959 |
| Coordinates: | 48.6053°N -104.4639°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 59258 |
| Area Code: | 406 |
| Blank Name: | FIPS code |
| Blank Info: | 30-62125 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0775712 |
Reserve is a census-designated place (CDP) in Sheridan County, Montana, United States. The population was 23 at the 2010 census.[2]
The town of Wakea was platted in 1911. The name was changed in 1912 with the establishment of the post office. The name comes from the proximity to the Fort Peck Indian Reservation.[3]
Reserve is located at 48.6053°N -104.4639°W (48.605251, -104.463969).[4]
According to the United States Census Bureau, the CDP has a total area of 1.4sqmi, all land.
As of the census[5] of 2000, there were 37 people, 18 households, and 10 families residing in the CDP. The population density was 26.9sp=usNaNsp=us. There were 25 housing units at an average density of 18.2 per square mile (7.0/km). The racial makeup of the CDP was 97.30% White and 2.70% Native American. Hispanic or Latino of any race were 2.70% of the population.
There were 18 households, out of which 27.8% had children under the age of 18 living with them, 61.1% were married couples living together, and 38.9% were non-families. 33.3% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older. The average household size was 2.06 and the average family size was 2.64.
In the CDP, the population was spread out, with 18.9% under the age of 18, 2.7% from 18 to 24, 13.5% from 25 to 44, 35.1% from 45 to 64, and 29.7% who were 65 years of age or older. The median age was 50 years. For every 100 females, there were 76.2 males. For every 100 females age 18 and over, there were 87.5 males.
The median income for a household in the CDP was $33,750, and the median income for a family was $30,000. Males had a median income of $13,750 versus $30,000 for females. The per capita income for the CDP was $13,742. There were 41.7% of families and 33.3% of the population living below the poverty line, including 40.0% of under eighteens and 66.7% of those over 64.