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Hunterdon County, NJ Demographics

Hunterdon County, NJ is the 18th most populous of 21 counties in New Jersey, with 128,947 residents across 428 square miles. That is about 301 people per square mile.

At the 2020 census

Population 128,947
Land area 428 sq mi
Density 301 / sq mi

Data: 2020 Census · American Community Survey 2024

How Hunterdon 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: Hunterdon County, NJ

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

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

Census tracts in Hunterdon County, NJ

Name Population Sq mi Per sq mi
Census Tract 113.01 7,405 16.8 440
Census Tract 107.01 6,507 18.8 347
Census Tract 110.01 6,475 12.2 532
Census Tract 106 6,041 28.7 210
Census Tract 101 5,870 31.6 185
Census Tract 111 5,777 14.1 411
Census Tract 105 5,177 23.5 221
Census Tract 115 5,172 36.1 143
Census Tract 110.03 5,112 5.5 936
Census Tract 116 5,055 37.2 136
Census Tract 114 4,876 1.1 4,525
Census Tract 113.03 4,707 2.6 1,820
Census Tract 113.06 4,613 9.1 508
Census Tract 112.03 4,606 13.1 352
Census Tract 104 4,537 21.6 210
Census Tract 102.02 4,232 14.9 283
Census Tract 119 4,139 1.1 3,817
Census Tract 117 3,917 28.5 138
Census Tract 113.04 3,549 4.2 841
Census Tract 109 3,546 2.4 1,483
Census Tract 112.02 3,402 10.9 311
Census Tract 107.02 3,267 23.0 142
Census Tract 113.05 3,173 4.8 664
Census Tract 103 3,120 3.1 1,022
Census Tract 118 3,005 21.6 139
Census Tract 102.01 2,968 17.4 170
Census Tract 108.01 2,773 1.3 2,059
Census Tract 112.04 2,343 9.5 247
Census Tract 110.04 1,918 12.2 157
Census Tract 108.02 1,665 0.9 1,846

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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 →