Augusta is an unincorporated community and census-designated place (CDP) in Lewis and Clark County, Montana, United States. The population was 309 at the 2010 census and rose to 316 in the 2020 census. The most accepted version in the naming of this town is after Augusta Hogan, thought to be the first child born in this town, the daughter of J. D. Hogan, an early rancher.

Augusta is part of the Helena Micropolitan Statistical Area.

The original townsite was dedicated on May 8, 1893. A fire on April 4, 1901, destroyed part of the town.

Geography
Augusta is located in northern Lewis and Clark County at  (47.490892, -112.394181), on the north side of Elk Creek (or the South Fork of the Sun River), which flows out of the Lewis and Clark Range to the southwest and leads northeast to the Sun River, part of the Missouri River watershed.

U.S. Route 287 passes through Augusta as the northern part of its Main Street, and leads north  to its northern terminus at Choteau and south  to Interstate 15 near Wolf Creek. Helena, the state capital, is  south of Augusta via US 287 and I-15. Montana Highway 21 leads east from Augusta  to Simms and is the first in a series of highways that lead east  to Great Falls.

According to the United States Census Bureau, the Augusta CDP has a total area of , all land.

Augusta is a gateway to the Bob Marshall Wilderness and Scapegoat Wilderness areas and the Lewis and Clark National Forest.

Climate
According to the Köppen Climate Classification system, Augusta has a semi-arid climate, abbreviated "BSk" on climate maps.

Demographics

As of the 2020 census, there were 316 people, and 142 households in the CDP.  There were 205 housing units (161 occupied).  25.2% of people were under 18 and 23.3% were 65 and over.

As of the census of 2000, there were 284 people, 142 households, and 83 families residing in the CDP. The population density was . There were 193 housing units at an average density of . The racial makeup of the CDP was 92.61% White, 2.46% Native American, 1.41% from other races, and 3.52% from two or more races. Hispanic or Latino of any race were 1.76% of the population.

There were 142 households, out of which 19.0% had children under the age of 18 living with them, 48.6% were married couples living together, 6.3% had a female householder with no husband present, and 41.5% were non-families. 38.7% of all households were made up of individuals, and 19.0% had someone living alone who was 65 years of age or older. The average household size was 2.00 and the average family size was 2.63.

In the CDP, the population was spread out, with 19.4% under the age of 18, 4.2% from 18 to 24, 16.9% from 25 to 44, 33.5% from 45 to 64, and 26.1% who were 65 years of age or older. The median age was 50 years. For every 100 females, there were 104.3 males. For every 100 females age 18 and over, there were 112.0 males.

The median income for a household in the CDP was $24,688, and the median income for a family was $30,956. Males had a median income of $23,125 versus $15,536 for females. The per capita income for the CDP was $14,608. About 9.6% of families and 14.7% of the population were below the poverty line, including 27.5% of those under the age of eighteen and 6.1% of those 65 or over.

Education
Augusta has a public school serving grades K-12. Augusta High School is a Class C school. They are known as the Elk.

Augusta has a public library, a branch of the Lewis & Clark Library.

References

External links
 Augusta Area Chamber of Commerce
 The Fairfield Sun Times, a newspaper serving Augusta
 Augusta Rodeo

Census-designated places in Montana
Census-designated places in Lewis and Clark County, Montana
Helena, Montana micropolitan area