Jefferson County, OH Demographics
Jefferson County, OH is the 38th most populous of 88 counties in Ohio, with 65,249 residents across 408 square miles. That is about 160 people per square mile.
At the 2020 census
| Population | 65,249 |
|---|---|
| Land area | 408 sq mi |
| Density | 160 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Jefferson 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: Jefferson County, OH
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Jefferson County, OH — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Jefferson County, OH
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 12 | 5,096 | 6.8 | 750 |
| Census Tract 115 | 4,769 | 69.0 | 69 |
| Census Tract 117 | 4,277 | 25.1 | 170 |
| Census Tract 114.01 | 3,958 | 34.7 | 114 |
| Census Tract 14 | 3,915 | 1.9 | 2,080 |
| Census Tract 114.02 | 3,781 | 32.1 | 118 |
| Census Tract 118 | 3,457 | 3.7 | 929 |
| Census Tract 2 | 3,453 | 1.3 | 2,562 |
| Census Tract 119 | 3,107 | 29.3 | 106 |
| Census Tract 120 | 2,803 | 29.0 | 97 |
| Census Tract 111 | 2,660 | 61.6 | 43 |
| Census Tract 113 | 2,597 | 0.6 | 4,026 |
| Census Tract 4 | 2,581 | 0.4 | 5,855 |
| Census Tract 121 | 2,560 | 34.7 | 74 |
| Census Tract 6 | 2,490 | 1.0 | 2,389 |
| Census Tract 10 | 2,451 | 2.4 | 1,035 |
| Census Tract 124 | 2,406 | 0.9 | 2,623 |
| Census Tract 123 | 2,077 | 0.9 | 2,244 |
| Census Tract 112 | 2,053 | 0.6 | 3,461 |
| Census Tract 122 | 1,982 | 24.8 | 80 |
| Census Tract 110 | 1,555 | 44.7 | 35 |
| Census Tract 13 | 1,221 | 2.5 | 493 |
Related places
Other counties nearby
Nearest counties
Metro areas containing Jefferson 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.