Columbus-Marion-Zanesville, OH Combined Statistical Area Demographics
Columbus-Marion-Zanesville, OH Combined Statistical Area is the 27th most populous of 184 combined statistical areas in the United States, with 2,606,479 residents across 8,971 square miles. That is about 291 people per square mile.
At the 2020 census
| Population | 2,606,479 |
|---|---|
| Land area | 8,971 sq mi |
| Density | 291 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Columbus-Marion-Zanesville, OH Combined Statistical Area compares to the US
We're computing this combined statistical area's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Columbus-Marion-Zanesville, OH Combined Statistical Area
Measured from the combined statistical area's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Columbus-Marion-Zanesville, OH Combined Statistical Area — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Counties in the Columbus-Marion-Zanesville, OH Combined Statistical Area area
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Franklin County | 1,323,807 | 532.4 | 2,486 |
| Delaware County | 214,124 | 443.1 | 483 |
| Licking County | 178,519 | 682.4 | 262 |
| Fairfield County | 158,921 | 504.4 | 315 |
| Muskingum County, OH | 86,410 | 664.5 | 130 |
| Ross County, OH | 77,093 | 689.2 | 112 |
| County Marion | 65,359 | 403.8 | 162 |
| County Union | 62,784 | 431.7 | 145 |
| Knox County | 62,721 | 525.5 | 119 |
| Athens County, OH | 62,431 | 503.6 | 124 |
| Pickaway County, OH | 58,539 | 501.2 | 117 |
| Logan County, OH | 46,150 | 458.5 | 101 |
| Madison County | 43,824 | 466.7 | 94 |
| Guernsey County | 38,438 | 522.2 | 74 |
| Perry County, OH | 35,408 | 407.9 | 87 |
| Morrow County | 34,950 | 406.1 | 86 |
| County Fayette | 28,951 | 406.4 | 71 |
| County Hocking | 28,050 | 421.3 | 67 |
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About this page
This page shows demographics for a US combined statistical area from the 2020 census and the American Community Survey: population, land area, density, and how the region compares to national averages.
Combined areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.