Preston

County:: Franklin County
County Seat:: Yes
Area (mi²):: 6.828
State:: Idaho

Preston is a city located in Franklin County, Idaho. Preston has a 2025 population of 6,434. It is also the county seat of Franklin County. Preston is currently growing at a rate of 2.57% annually and its population has increased by 14.3% since the most recent census, which recorded a population of 5,629 in 2020.

The average household income in Preston is $78,123 with a poverty rate of 14.05%.The median age in Preston is 34.5 years: 32.4 years for males, and 36.4 years for females.

Demographics

The racial composition of Preston includes 92.33% White, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	5,355	92.33%
Two or more races	284	4.9%
Other race	125	2.16%
Native American	36	0.62%

Preston Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Preston's average per capita income is $39,922. Household income levels show a median of $55,625. The poverty rate stands at 14.05%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$80,809	-
Families	$74,266	$95,569
Households	$55,625	$78,123
Non Families	$32,734	$34,820

$39,922

Average Income

$55,625

Median Household Income

14.05%

Poverty Rate