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Marquette County, MI Demographics

Marquette County, MI is the 30th most populous of 83 counties in Michigan, with 66,017 residents across 1,809 square miles. That is about 36 people per square mile.

At the 2020 census

Population 66,017
Land area 1,809 sq mi
Density 36 / sq mi

Data: 2020 Census · American Community Survey 2024

How Marquette 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: Marquette County, MI

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

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

Census tracts in Marquette County, MI

Name Population Sq mi Per sq mi
Census Tract 12 5,469 183.9 30
Census Tract 7 4,216 2.6 1,618
Census Tract 13 3,745 124.5 30
Census Tract 29.01 3,531 30.8 114
Census Tract 22 3,096 176.1 18
Census Tract 15 3,076 48.8 63
Census Tract 24 3,064 8.3 367
Census Tract 28.01 2,908 5.1 568
Census Tract 21 2,903 9.8 297
Census Tract 18 2,670 10.1 264
Census Tract 6 2,492 2.7 918
Census Tract 28.02 2,383 3.4 705
Census Tract 25 2,320 29.2 79
Census Tract 16 2,291 2.4 966
Census Tract 17 2,266 8.9 256
Census Tract 20 2,182 5.8 376
Census Tract 26 2,162 448.2 5
Census Tract 3 2,115 0.7 3,230
Census Tract 23 2,105 441.1 5
Census Tract 2 2,060 0.4 5,673
Census Tract 1 1,886 0.4 5,299
Census Tract 4 1,853 0.5 3,393
Census Tract 19 1,524 0.3 5,053
Census Tract 11 1,520 3.2 477
Census Tract 5 1,262 0.3 4,360
Census Tract 29.02 918 261.5 4

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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 →