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Shelby County, IA Demographics

Shelby County, IA is the 65th most populous of 99 counties in Iowa, with 11,746 residents across 591 square miles. That is about 20 people per square mile.

At the 2020 census

Population 11,746
Land area 591 sq mi
Density 20 / sq mi

Data: 2020 Census · American Community Survey 2024

How Shelby 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: Shelby County, IA

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

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

Census tracts in Shelby County, IA

Name Population Sq mi Per sq mi
Census Tract 9603 3,327 32.6 102
Census Tract 9602 3,083 227.2 14
Census Tract 9601 2,927 289.7 10
Census Tract 9604 2,409 41.3 58

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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 →