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Lee County, IA Demographics

Lee County, IA is the 21st most populous of 99 counties in Iowa, with 33,555 residents across 518 square miles. That is about 65 people per square mile.

At the 2020 census

Population 33,555
Land area 518 sq mi
Density 65 / sq mi

Data: 2020 Census · American Community Survey 2024

How Lee 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: Lee County, IA

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

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

Census tracts in Lee County, IA

Name Population Sq mi Per sq mi
Census Tract 4902 4,340 10.7 407
Census Tract 4907 4,298 8.3 518
Census Tract 4901 3,990 4.5 891
Census Tract 4905 3,352 168.3 20
Census Tract 4906 3,299 85.3 39
Census Tract 4911 3,193 7.0 456
Census Tract 4904 2,703 139.3 19
Census Tract 4903 2,239 88.3 25
Census Tract 4908 2,106 4.6 462
Census Tract 4909 2,091 0.6 3,417
Census Tract 4910 1,944 0.6 3,037

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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 →