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Hancock County, IA Demographics

Hancock County, IA is the 68th most populous of 99 counties in Iowa, with 10,795 residents across 571 square miles. That is about 19 people per square mile.

At the 2020 census

Population 10,795
Land area 571 sq mi
Density 19 / sq mi

Data: 2020 Census · American Community Survey 2024

How Hancock 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: Hancock County, IA

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

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

Census tracts in Hancock County, IA

Name Population Sq mi Per sq mi
Census Tract 2701 3,788 76.3 50
Census Tract 2703 2,649 68.8 39
Census Tract 2702 2,377 214.7 11
Census Tract 2704 1,981 211.3 9

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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 →