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Cincinnati-Wilmington, OH-KY-IN Combined Statistical Area Demographics

Cincinnati-Wilmington, OH-KY-IN Combined Statistical Area is the 32nd most populous of 184 combined statistical areas in the United States, with 2,291,809 residents across 4,794 square miles. That is about 478 people per square mile.

At the 2020 census

Population 2,291,809
Land area 4,794 sq mi
Density 478 / sq mi

Data: 2020 Census · American Community Survey 2024

How Cincinnati-Wilmington, OH-KY-IN Combined Statistical Area compares to the US

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Central Location: Cincinnati-Wilmington, OH-KY-IN Combined Statistical Area

Measured from the combined statistical area's main population center using 2020 census blocks.

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Counties in the Cincinnati-Wilmington, OH-KY-IN Combined Statistical Area area

Name Population Sq mi Per sq mi
Hamilton County, OH 830,639 405.4 2,049
County Butler 390,357 467.1 836
Warren County 242,337 401.4 604
Clermont County, OH 208,601 452.6 461
Kenton County, KY 169,064 160.3 1,055
Boone County 135,968 246.3 552
Campbell County, KY 93,076 151.3 615
Dearborn County, IN 50,679 305.1 166
Brown County, OH 43,676 489.5 89
County Clinton 42,018 408.7 103
Grant County, KY 24,941 258.0 97
County Franklin 22,785 384.4 59
Pendleton County, KY 14,644 277.2 53
County Gallatin 8,690 101.2 86
County Bracken 8,400 205.6 41
County Ohio 5,934 86.1 69

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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.

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