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Martin County, NC Demographics

Martin County, NC is the 77th most populous of 100 counties in North Carolina, with 22,031 residents across 456 square miles. That is about 48 people per square mile.

At the 2020 census

Population 22,031
Land area 456 sq mi
Density 48 / sq mi

Data: 2020 Census · American Community Survey 2024

How Martin 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: Martin County, NC

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

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

Census tracts in Martin County, NC

Name Population Sq mi Per sq mi
Census Tract 9705 5,272 101.9 52
Census Tract 9702 4,168 20.0 209
Census Tract 9703 3,790 19.8 192
Census Tract 9701 3,749 137.1 27
Census Tract 9706 2,813 42.4 66
Census Tract 9704 2,239 135.3 17

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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 →