Firth Flag

Firth

County:
Bingham County
County Seat:
No
Area (mi²):
0.573
State:
Idaho

Firth is a city located in Bingham County, Idaho. Firth has a 2025 population of 547 . Firth is currently growing at a rate of 0.92% annually and its population has increased by 4.99% since the most recent census, which recorded a population of 521 in 2020.

The average household income in Firth is $65,679 with a poverty rate of 12.07%. The median age in Firth is 37.4 years: 41 years for males, and 33.7 years for females. For every 100 females there are 102.7 males.

547
Total Population
954
Density (mi²)
5 0.92%
Growth

Firth Population

Firth Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Firth includes 78.74% White, 9.45% other race, 4.99% Native American, and smaller percentages for and multiracial populations.

Population by Race

White (78.74%)

Other race (9.45%)

Two or more races (6.82%)

Native American (4.99%)

Race
Population
Percentage (of total)
White30078.74%
Other race369.45%
Two or more races266.82%
Native American194.99%

Firth Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Firth's average per capita income is $42,279. Household income levels show a median of $49,167. The poverty rate stands at 12.07%.

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$90,313-
Families$66,250$83,418
Households$49,167$65,679
Non Families$18,333$19,488

$42,279

Average Income

$49,167

Median Household Income

12.07%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)