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Delta County, MI Demographics

Delta County, MI is the 43rd most populous of 83 counties in Michigan, with 36,903 residents across 1,171 square miles. That is about 32 people per square mile.

At the 2020 census

Population 36,903
Land area 1,171 sq mi
Density 32 / sq mi

Data: 2020 Census · American Community Survey 2024

How Delta 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: Delta County, MI

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

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

Census tracts in Delta County, MI

Name Population Sq mi Per sq mi
Census Tract 9704 5,658 34.2 166
Census Tract 9705 4,401 80.1 55
Census Tract 9706 4,167 2.8 1,492
Census Tract 9708 4,160 2.7 1,550
Census Tract 9707 3,770 108.4 35
Census Tract 9711 3,384 2.5 1,337
Census Tract 9710 2,628 0.4 6,398
Census Tract 9709 2,479 1.7 1,425
Census Tract 9703 2,314 282.9 8
Census Tract 9702 2,305 337.9 7
Census Tract 9701 1,630 317.5 5

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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 →