Fremont County, Idaho

Adjacent counties

Fremont County is one of the few US counties to border two counties of the same name in different states. Fremont County borders two such pairs of counties-- Madison County, Idaho and Madison County, Montana and Teton County, Idaho and Teton County, Wyoming.

Major highways

• US 20
• SH-47
• SH-87

National protected areas

• Caribou-Targhee National Forest (part)
• Yellowstone National Park (part)

Racial and ethnic composition

2020 census

As of the 2020 census, the county had a population of 13,388. The median age was 37.7 years. 27.6% of residents were under the age of 18 and 18.1% of residents were 65 years of age or older. For every 100 females there were 107.3 males, and for every 100 females age 18 and over there were 108.7 males age 18 and over.^[30]

The racial makeup of the county was 86.4% White, 0.2% Black or African American, 0.7% American Indian and Alaska Native, 0.3% Asian, 0.2% Native Hawaiian and Pacific Islander, 7.3% from some other race, and 4.9% from two or more races. Hispanic or Latino residents of any race comprised 11.9% of the population.^[31]

0.0% of residents lived in urban areas, while 100.0% lived in rural areas.^[32]

There were 4,688 households in the county, of which 33.3% had children under the age of 18 living with them and 16.9% had a female householder with no spouse or partner present. About 21.4% of all households were made up of individuals and 10.1% had someone living alone who was 65 years of age or older.^[30]

There were 8,452 housing units, of which 44.5% were vacant. Among occupied housing units, 80.3% were owner-occupied and 19.7% were renter-occupied. The homeowner vacancy rate was 1.3% and the rental vacancy rate was 13.3%.^[30]

2010 census

As of the 2010 United States census, there were 13,242 people, 4,436 households, and 3,436 families living in the county.^[33] The population density was 7.1 inhabitants per square mile (2.7/km²). There were 8,531 housing units at an average density of 4.6 units per square mile (1.8 units/km²).^[34] The racial makeup of the county was 89.5% white, 0.7% American Indian, 0.3% black or African American, 0.2% Asian, 0.1% Pacific islander, 7.6% from other races, and 1.5% from two or more races. Those of Hispanic or Latino origin made up 12.8% of the population.^[33] In terms of ancestry, 29.9% were English, 22.7% were German, 7.6% were Irish, 6.1% were American, 5.7% were Scottish, and 5.1% were Danish.^[35]

Of the 4,436 households, 38.7% had children under the age of 18 living with them, 65.9% were married couples living together, 7.2% had a female householder with no husband present, 22.5% were non-families, and 19.7% of all households were made up of individuals. The average household size was 2.88 and the average family size was 3.32. The median age was 33.5 years.^[33]

The median income for a household in the county was $42,523 and the median income for a family was $52,510. Males had a median income of $35,907 versus $24,450 for females. The per capita income for the county was $18,616. About 6.8% of families and 8.5% of the population were below the poverty line, including 9.3% of those under age 18 and 9.7% of those age 65 or over.^[36]

2000 census

As of the census^[37] of 2000, there were 11,819 people, 3,885 households, and 3,030 families living in the county. The population density was 6 people per square mile (2.3 people/km²). There were 6,890 housing units at an average density of 4 units per square mile (1.5 units/km²). The racial makeup of the county was 91.41% White, 0.16% Black or African American, 0.51% Native American, 0.36% Asian, 0.06% Pacific Islander, 5.94% from other races, and 1.56% from two or more races. 10.62% of the population were Hispanic or Latino of any race. 25.1% were of English, 15.1% German and 14.8% American ancestry. Those citing "American" ancestry in Fremont County are of overwhelmingly English extraction, however most English Americans identify simply as having American ancestry because their roots have been in North America for so long, in some cases since the 1600s.^{[38][39][40][41][42]}

There were 3,885 households, out of which 39.50% had children under the age of 18 living with them, 67.90% were married couples living together, 6.90% had a female householder with no husband present, and 22.00% were non-families. 19.50% of all households were made up of individuals, and 8.50% had someone living alone who was 65 years of age or older. The average household size was 2.96 and the average family size was 3.43.

In the county, the population was spread out, with 33.10% under the age of 18, 9.30% from 18 to 24, 24.70% from 25 to 44, 20.40% from 45 to 64, and 12.40% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 105.80 males. For every 100 females age 18 and over, there were 105.80 males.

The median income for a household in the county was $33,424, and the median income for a family was $36,715. Males had a median income of $26,490 versus $19,670 for females. The per capita income for the county was $13,965. About 10.30% of families and 14.20% of the population were below the poverty line, including 18.40% of those under age 18 and 13.60% of those age 65 or over.

Cities

Unincorporated communities