| Official Name: | Alta, Wyoming |
| Settlement Type: | CDP |
| Mapsize: | 250x200px |
| Pushpin Map: | Wyoming |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Wyoming |
| Subdivision Type2: | County |
| Subdivision Name2: | Teton |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 8.3 |
| Area Land Sq Mi: | 8.3 |
| Area Water Sq Mi: | 0.0 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 429 |
| Population Density Sq Mi: | auto |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation M: | 1963 |
| Elevation Ft: | 6440 |
| Coordinates Footnotes: | [2] |
| Coordinates: | 43.76°N -111.0025°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 83414 |
| Area Code: | 307 |
| Blank Name: | FIPS code |
| Blank Info: | 56-01985[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1597199[4] |
Alta is a census-designated place (CDP) in Teton County, Wyoming, United States. The population was 429 at the 2020 census. It is part of the Jackson, WY - ID Micropolitan Statistical Area, and it is located between Driggs, Idaho and the Grand Targhee ski resort.
Alta is located just east of the Idaho state line, approximately 5miles east of Driggs, at an elevation of 6440feet above sea level.
According to the United States Census Bureau, the CDP has a total area of, all land.[5]
According to the Köppen Climate Classification system, Alta has a warm-summer humid continental climate, abbreviated "Dfb" on climate maps. The hottest temperature recorded in Alta was on July 16, 1925, while the coldest temperature recorded was on February 9, 1933.
As of the census of 2000, there were 400 people, 141 households, and 104 families residing in the CDP. The population density was 3.1sp=usNaNsp=us. There were 181 housing units at an average density of 1.4sp=usNaNsp=us. The racial makeup of the CDP was 99.25% White and 0.75% Asian. Hispanic or Latino of any race were 0.25% of the population.
There were 141 households, out of which 34.0% had children under the age of 18 living with them, 65.2% were married couples living together, 7.1% had a female householder with no husband present, and 26.2% were non-families. 18.4% of all households were made up of individuals, and 1.4% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.28.
In the CDP, the population was spread out, with 28.5% under the age of 18, 7.8% from 18 to 24, 22.0% from 25 to 44, 31.0% from 45 to 64, and 10.8% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 126.0 males. For every 100 females age 18 and over, there were 118.3 males.
The median income for a household in the CDP was $56,750, and the median income for a family was $57,917. Males had a median income of $38,438 versus $19,107 for females. The per capita income for the CDP was $40,680. About 11.4% of families and 16.8% of the population were below the poverty line, including 24.0% of those under age 18 and none of those age 65 or over.
Public education in Alta is provided by Teton County School District #1 at Alta Elementary School (grades K - 5). Students in grades six through twelve have the option to attend either the secondary schools in nearby Driggs (Teton School District #401),[6] at Teton High School (9 - 12) and Teton Middle School (6-8 for Alta residents), or to attend the secondary schools in Jackson,[7] Wyoming, about 40miles away and over 8431feet Teton Pass.
Alta has a public library, a branch of the Teton County Library system.[8]
Leland Christensen (1959-2022), politician, was born in Alta.[9]