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 2026 population of 552. Firth is currently growing at a rate of 0.91% annually and its population has increased by 5.95% since the most recent census, which recorded a population of 521 in 2020.

The median household income in Firth is $56,250 with a poverty rate of 12.12%. The median age in Firth is 37.2 years: 38.8 years for males, and 34.3 years for females. For every 100 females there are 106.3 males.

552
Total Population
963
Density (mi²)
5 0.91%
Growth

Firth Population

Firth Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202655250.91%
202554750.92%
202454210.18%
202354130.56%
202253891.7%
202152981.54%
202052120.39%
201949891.84%
201848930.62%
201748681.67%
201647820.42%
2015476-1-0.21%
201447700%
2013477-2-0.42%
2012479-4-0.83%
201148361.26%
201048010.21%

Median Age

Overall: 37.2 years
Female: 34.3 years
Male: 38.8 years

Firth Adults

There are 307 adults, (76 of whom are seniors) in Firth.

Sex Ratio

Female: 208 (48.5%)
Male: 221 (51.5%)

Demographics

The racial composition of Firth includes 82.52% White, 6.06% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White35482.52%
Two or more races4710.96%
Other race266.06%
Native American20.47%
Race
Population ↓
Percentage (of total)
Two or more races358.16%
Other race266.06%
White20.47%
Race
Population ↓
Percentage (of total)
White35282.05%
Two or more races122.8%
Native American20.47%

Firth Marital Status

Economics and Income Statistics

Firth 's average per capita income is $44,844. Household income levels show a median of $56,250. The poverty rate stands at 12.12%.

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$96,429-
Families$95,000$92,613
Households$56,250$73,097
Non Families-$37,067

$44,844

Average Income

$56,250

Median Household Income

12.12%

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)