Franklin County, ID Demographics
Franklin County, ID is the 22nd most populous of 44 counties in Idaho, with 14,194 residents across 663 square miles. That is about 21 people per square mile.
At the 2020 census
| Population | 14,194 |
|---|---|
| Land area | 663 sq mi |
| Density | 21 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Franklin County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Franklin County, ID
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Franklin County, ID — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Franklin County, ID
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9702 | 7,451 | 175.8 | 42 |
| Census Tract 9701 | 6,743 | 487.2 | 14 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Franklin County
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.