Bay County, MI Demographics
Bay County, MI is the 20th most populous of 83 counties in Michigan, with 103,828 residents across 442 square miles. That is about 235 people per square mile.
At the 2020 census
| Population | 103,828 |
|---|---|
| Land area | 442 sq mi |
| Density | 235 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Bay 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: Bay County, MI
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Bay County, MI — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Bay County, MI
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 2856 | 7,286 | 35.1 | 208 |
| Census Tract 2855 | 6,764 | 16.3 | 415 |
| Census Tract 2858 | 6,116 | 3.2 | 1,903 |
| Census Tract 2852.01 | 5,812 | 15.1 | 384 |
| Census Tract 2866 | 4,923 | 1.1 | 4,584 |
| Census Tract 2859 | 4,792 | 7.1 | 675 |
| Census Tract 2862 | 4,687 | 68.0 | 69 |
| Census Tract 2853 | 4,576 | 51.7 | 89 |
| Census Tract 2857 | 3,923 | 20.5 | 192 |
| Census Tract 2852.02 | 3,883 | 12.3 | 315 |
| Census Tract 2810 | 3,854 | 1.7 | 2,333 |
| Census Tract 2861.01 | 3,706 | 46.1 | 80 |
| Census Tract 2854 | 3,676 | 21.1 | 174 |
| Census Tract 2863 | 3,503 | 37.5 | 93 |
| Census Tract 2808 | 3,450 | 0.9 | 4,040 |
| Census Tract 2861.02 | 3,436 | 21.6 | 159 |
| Census Tract 2851 | 3,379 | 1.3 | 2,609 |
| Census Tract 2805 | 3,296 | 1.1 | 2,947 |
| Census Tract 2807 | 3,142 | 0.5 | 5,983 |
| Census Tract 2860 | 3,137 | 3.8 | 825 |
| Census Tract 2813 | 3,068 | 1.4 | 2,161 |
| Census Tract 2809 | 2,748 | 1.3 | 2,103 |
| Census Tract 2806 | 2,649 | 0.5 | 5,884 |
| Census Tract 2804 | 2,626 | 0.3 | 7,826 |
| Census Tract 2864 | 2,523 | 71.5 | 35 |
| Census Tract 2865 | 1,665 | 1.1 | 1,453 |
| Census Tract 2803 | 1,236 | 0.3 | 4,745 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Bay County
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.