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Tama County, IA Demographics

Tama County, IA is the 41st most populous of 99 counties in Iowa, with 17,135 residents across 721 square miles. That is about 24 people per square mile.

At the 2020 census

Population 17,135
Land area 721 sq mi
Density 24 / sq mi

Data: 2020 Census · American Community Survey 2024

How Tama 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: Tama County, IA

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

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

Census tracts in Tama County, IA

Name Population Sq mi Per sq mi
Census Tract 2905 3,851 15.1 255
Census Tract 2904 2,973 19.2 155
Census Tract 2901 2,820 188.0 15
Census Tract 2902 2,645 131.9 20
Census Tract 2903 2,446 133.0 18
Census Tract 2906 2,400 233.9 10

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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 →