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Elmore County, ID Demographics

Elmore County, ID is the 13th most populous of 44 counties in Idaho, with 28,666 residents across 3,075 square miles. That is about 9 people per square mile.

At the 2020 census

Population 28,666
Land area 3,075 sq mi
Density 9 / sq mi

Data: 2020 Census · American Community Survey 2024

How Elmore 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: Elmore County, ID

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Elmore County, ID — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Elmore County, ID

Name Population Sq mi Per sq mi
Census Tract 9604.01 5,526 385.1 14
Census Tract 9602.01 4,996 499.3 10
Census Tract 9602.02 4,398 1.3 3,423
Census Tract 9603 4,280 111.0 39
Census Tract 9604.02 3,501 0.9 3,982
Census Tract 9605 3,191 10.0 320
Census Tract 9601 2,774 2,067.6 1

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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.

Read how BlockAtlas computes population within an area →