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 555. Firth is currently growing at a rate of 1.28% annually and its population has increased by 6.73% since the most recent census, which recorded a population of 520 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.

555
Total Population
968
Density (mi²)
7 1.28%
Growth

Firth Population

Demographics

Economics and Income Statistics

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)