Alpena County, MI Demographics
Alpena County, MI is the 50th most populous of 83 counties in Michigan, with 28,907 residents across 572 square miles. That is about 51 people per square mile.
At the 2020 census
| Population | 28,907 |
|---|---|
| Land area | 572 sq mi |
| Density | 51 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Alpena 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: Alpena County, MI
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Alpena County, MI — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Alpena County, MI
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 2 | 4,191 | 150.2 | 28 |
| Census Tract 6 | 3,271 | 8.4 | 389 |
| Census Tract 8 | 3,203 | 1.1 | 3,001 |
| Census Tract 3 | 3,156 | 75.5 | 42 |
| Census Tract 1.02 | 3,035 | 180.2 | 17 |
| Census Tract 9 | 2,986 | 26.2 | 114 |
| Census Tract 4 | 2,925 | 1.9 | 1,546 |
| Census Tract 7 | 2,783 | 15.9 | 175 |
| Census Tract 5 | 1,959 | 0.8 | 2,592 |
| Census Tract 1.01 | 1,398 | 111.8 | 13 |
Related places
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Metro areas containing Alpena 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.