All counties →

Jefferson County, OR Demographics

Jefferson County, OR is the 25th most populous of 36 counties in Oregon, with 24,502 residents across 1,782 square miles. That is about 14 people per square mile.

At the 2020 census

Population 24,502
Land area 1,782 sq mi
Density 14 / 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, OR

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Jefferson County, OR — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Jefferson County, OR

Name Population Sq mi Per sq mi
Census Tract 9602.02 6,282 17.0 369
Census Tract 9603.01 4,560 24.6 185
Census Tract 9602.01 3,688 4.0 916
Census Tract 9400 2,622 406.4 6
Census Tract 9601 2,482 837.5 3
Census Tract 9603.04 2,435 37.8 64
Census Tract 9603.05 1,869 56.5 33
Census Tract 9603.03 564 397.8 1

Related places

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.

Read how BlockAtlas computes population within an area →