State Line Flag

State Line

County:
Kootenai County
County Seat:
No
Area (mi²):
0.11
State:
Idaho

State Line is a city located in Kootenai County, Idaho. State Line has a 2025 population of 38 . State Line is currently declining at a rate of 0% annually and its population has increased by 2.7% since the most recent census, which recorded a population of 37 in 2020.

38
Total Population
345
Density (mi²)

State Line Population

State Line Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of State Line includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White3100%

State Line Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

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)