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Monroe County, MI Demographics

Monroe County, MI is the 15th most populous of 83 counties in Michigan, with 154,785 residents across 549 square miles. That is about 282 people per square mile.

At the 2020 census

Population 154,785
Land area 549 sq mi
Density 282 / sq mi

Data: 2020 Census · American Community Survey 2024

How Monroe 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: Monroe County, MI

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

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

Census tracts in Monroe County, MI

Name Population Sq mi Per sq mi
Census Tract 8314 7,032 5.6 1,247
Census Tract 8333 6,867 4.4 1,564
Census Tract 8302 6,450 14.6 440
Census Tract 8338 5,747 4.0 1,453
Census Tract 8308.01 5,375 5.3 1,021
Census Tract 8335 5,138 6.8 755
Census Tract 8313 5,120 5.8 884
Census Tract 8331 5,059 9.2 552
Census Tract 8339 4,899 2.9 1,711
Census Tract 8328 4,783 36.7 130
Census Tract 8325 4,674 6.1 764
Census Tract 8330 4,590 39.7 116
Census Tract 8323 4,376 1.5 2,951
Census Tract 8329 4,347 42.5 102
Census Tract 8324 4,315 8.0 537
Census Tract 8317 4,119 5.6 735
Census Tract 8332 4,103 12.0 341
Census Tract 8304 4,001 12.3 327
Census Tract 8305 3,927 36.5 107
Census Tract 8312.01 3,859 2.0 1,899
Census Tract 8303 3,859 22.4 173
Census Tract 8307 3,785 36.3 104
Census Tract 8312.02 3,693 14.6 254
Census Tract 8301 3,440 17.4 198
Census Tract 8315 3,364 1.6 2,073
Census Tract 8316 3,351 1.0 3,264
Census Tract 8310 3,202 22.0 146
Census Tract 8336 3,075 13.1 235
Census Tract 8321 3,002 0.5 5,809
Census Tract 8306 2,984 35.8 83
Census Tract 8311 2,850 10.9 261
Census Tract 8308.02 2,764 43.0 64
Census Tract 8309 2,701 26.2 103
Census Tract 8337 2,606 12.3 212
Census Tract 8327 2,605 15.7 166
Census Tract 8326 2,034 10.9 187
Census Tract 8320 1,820 0.8 2,375
Census Tract 8322 1,756 0.7 2,507
Census Tract 8319 1,606 0.3 5,795
Census Tract 8318 1,525 2.6 595

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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 →