The 2010 census recorded a population of 7,441 in the county, with a population density of. There were 3,431 housing units, of which 3,064 were occupied.
2000 census
As of the census of 2000, there were 8,010 people, 3,199 households, and 2,242 families residing in the county. The population density was 16 people per square mile. There were 3,514 housing units at an average density of 7 per square mile. The racial makeup of the county was 98.01% White, 0.04% Black or African American, 0.24% Native American, 0.24% Asian, 0.96% from other races, and 0.51% from two or more races. 2.17% of the population were Hispanic or Latino of any race. There were 3,199 households out of which 30.20% had children under the age of 18 living with them, 58.90% were married couplesliving together, 8.20% had a female householder with no husband present, and 29.90% were non-families. 26.30% of all households were made up of individuals and 14.90% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.93. In the county, the population was spread out with 25.10% under the age of 18, 6.00% from 18 to 24, 24.30% from 25 to 44, 24.70% from 45 to 64, and 19.80% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 95.50 males. For every 100 females age 18 and over, there were 91.80 males. The median income for a household in the county was $38,345, and the median income for a family was $46,547. Males had a median income of $30,822 versus $23,003 for females. The per capita income for the county was $18,081. About 6.50% of families and 9.50% of the population were below the poverty line, including 11.40% of those under age 18 and 10.70% of those age 65 or over.
The population ranking of the following table is based on the 2010 census of Fremont County. †county seat
Rank
City, town, etc.
Municipal type
Population
1
Shenandoah
City
5,150
2
Hamburg
City
1,187
3
†Sidney
City
1,138
4
Tabor
City
1,040
5
Farragut
City
485
6
Riverton
City
304
7
Thurman
City
229
8
Randolph
City
168
9
Percival
CDP
87
10
Imogene
City
72
11
Anderson
CDP
65
12
Bartlett
CDP
50
Politics
Prior to 1944, Fremont County was a swing county in presidential elections, voting for the national winner in every election from 1904 to 1940. Starting with the 1944 election, the county has become a Republican Party stronghold, only failing to back a Republican presidential candidate in 1964 amidst Lyndon B. Johnson's national landslide.
