Idaho City Flag

Idaho City

County:
Boise County
County Seat:
Yes
Area (mi²):
0.665
State:
Idaho

Idaho City is a city located in Boise County, Idaho. Idaho City has a 2026 population of 568. It is also the county seat of Boise County. Idaho City is currently growing at a rate of 2.9% annually and its population has increased by 20.59% since the most recent census, which recorded a population of 471 in 2020.

The median household income in Idaho City is $44,722 with a poverty rate of 6.37%. The median age in Idaho City is 38.5 years: 53.1 years for males, and 36.1 years for females. For every 100 females there are 85.6 males.

568
Total Population
854
Density (mi²)
16 2.9%
Growth

Idaho City Population

Idaho City Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026568162.9%
2025552162.99%
202453600%
2023536203.88%
2022516234.67%
2021493224.67%
202047130.64%
201947271.51%
2018465163.56%
2017449122.75%
201643751.16%
201543292.13%
201442320.48%
2013421-6-1.41%
2012427-15-3.39%
2011442-43-8.87%
2010445-2-0.45%

Median Age

Overall: 38.5 years
Female: 36.1 years
Male: 53.1 years

Idaho City Adults

There are 419 adults, (137 of whom are seniors) in Idaho City.

Sex Ratio

Female: 313 (53.9%)
Male: 268 (46.1%)

Demographics

The racial composition of Idaho City includes 86.57% White, and smaller percentages for Asian, other race, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White50386.57%
Two or more races518.78%
Asian152.58%
Other race101.72%
Black or African American10.17%
Native American10.17%
Race
Population ↓
Percentage (of total)
Two or more races335.68%
White30.52%
Other race20.34%
Native American10.17%
Race
Population ↓
Percentage (of total)
White50086.06%
Two or more races183.1%
Asian152.58%
Other race81.38%
Black or African American10.17%

Idaho City Marital Status

Economics and Income Statistics

Idaho City 's average per capita income is $35,762. Household income levels show a median of $44,722. The poverty rate stands at 6.37%.

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
Families$58,578$72,235
Married Families$58,571-
Households$44,722$62,007
Non Families$35,500$32,912

$35,762

Average Income

$44,722

Median Household Income

6.37%

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)