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Grundy County, MO Demographics

Grundy County, MO is the 87th most populous of 115 counties in Missouri, with 9,808 residents across 435 square miles. That is about 23 people per square mile.

At the 2020 census

Population 9,808
Land area 435 sq mi
Density 23 / sq mi

Data: 2020 Census · American Community Survey 2024

How Grundy 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: Grundy County, MO

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

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

Census tracts in Grundy County, MO

Name Population Sq mi Per sq mi
Census Tract 9604 3,411 5.8 589
Census Tract 9603 2,244 7.9 282
Census Tract 9601 2,084 236.8 9
Census Tract 9602 2,069 184.8 11

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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 →