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Harper County, OK Demographics

Harper County, OK is the 75th most populous of 77 counties in Oklahoma, with 3,272 residents across 1,039 square miles. That is about 3 people per square mile.

At the 2020 census

Population 3,272
Land area 1,039 sq mi
Density 3 / sq mi

Data: 2020 Census · American Community Survey 2024

How Harper 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: Harper County, OK

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

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

Census tracts in Harper County, OK

Name Population Sq mi Per sq mi
Census Tract 9522 1,812 451.0 4
Census Tract 9521 1,460 587.6 2

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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 →