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Northumberland County, VA Demographics

Northumberland County, VA is the 109th most populous of 133 counties in Virginia, with 11,831 residents across 191 square miles. That is about 62 people per square mile.

At the 2020 census

Population 11,831
Land area 191 sq mi
Density 62 / sq mi

Data: 2020 Census · American Community Survey 2024

How Northumberland 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: Northumberland County, VA

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

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

Census tracts in Northumberland County, VA

Name Population Sq mi Per sq mi
Census Tract 201 3,409 49.3 69
Census Tract 202 3,078 75.3 41
Census Tract 203.02 3,008 44.2 68
Census Tract 203.01 2,344 22.6 104

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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 →