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Dauphin County, PA Demographics

Dauphin County, PA is the 14th most populous of 67 counties in Pennsylvania, with 286,401 residents across 525 square miles. That is about 546 people per square mile.

At the 2020 census

Population 286,401
Land area 525 sq mi
Density 546 / sq mi

Data: 2020 Census · American Community Survey 2024

How Dauphin 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: Dauphin County, PA

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

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

Census tracts in Dauphin County, PA

Name Population Sq mi Per sq mi
Census Tract 226.04 7,443 4.2 1,781
Census Tract 226.01 7,368 3.4 2,166
Census Tract 245.03 7,209 11.2 645
Census Tract 224.03 7,108 2.5 2,789
Census Tract 236.02 6,650 5.8 1,137
Census Tract 228 6,484 5.1 1,277
Census Tract 225.01 6,308 7.0 903
Census Tract 241.04 6,194 4.1 1,500
Census Tract 219.04 6,123 2.5 2,499
Census Tract 247 6,071 78.4 77
Census Tract 240.01 6,037 23.1 262
Census Tract 213 6,030 0.5 13,030
Census Tract 217 6,024 0.8 7,534
Census Tract 245.02 6,019 40.2 150
Census Tract 223 5,867 1.4 4,301
Census Tract 227.02 5,839 1.3 4,429
Census Tract 241.05 5,826 5.6 1,039
Census Tract 246.02 5,764 18.2 317
Census Tract 225.02 5,658 3.5 1,639
Census Tract 226.05 5,519 1.8 3,148
Census Tract 229.02 5,453 2.4 2,287
Census Tract 220 5,318 1.7 3,131
Census Tract 246.01 4,933 5.0 983
Census Tract 214 4,915 0.9 5,353
Census Tract 219.01 4,778 3.2 1,483
Census Tract 224.01 4,732 2.7 1,736
Census Tract 244 4,616 1.3 3,623
Census Tract 221 4,532 1.4 3,186
Census Tract 233 4,435 0.4 10,882
Census Tract 241.02 4,417 7.2 615
Census Tract 227.01 4,352 1.4 3,223
Census Tract 248.02 4,220 30.9 137
Census Tract 255 4,155 0.4 11,781
Census Tract 238 4,103 0.6 7,272
Census Tract 253 4,010 25.9 155
Census Tract 239 3,971 1.1 3,638
Census Tract 229.01 3,789 2.4 1,606
Census Tract 201 3,746 0.9 4,236
Census Tract 215 3,745 0.3 11,754
Census Tract 251 3,736 46.0 81
Census Tract 209 3,707 0.8 4,904
Census Tract 219.03 3,703 3.6 1,041
Census Tract 248.01 3,608 81.4 44
Census Tract 226.06 3,498 1.7 2,002
Census Tract 252 3,486 18.3 191
Census Tract 243 3,476 1.2 2,904
Census Tract 222 3,274 0.4 7,331
Census Tract 211 3,252 2.5 1,288
Census Tract 250 3,032 11.0 276
Census Tract 205 2,987 0.2 12,000
Census Tract 240.02 2,952 16.7 176
Census Tract 236.01 2,881 6.5 446
Census Tract 208 2,809 0.2 14,016
Census Tract 235 2,741 0.7 3,813
Census Tract 242 2,662 2.5 1,086
Census Tract 216 2,623 0.3 9,964
Census Tract 212 2,586 0.2 15,453
Census Tract 254 2,545 0.8 3,352
Census Tract 249 2,370 9.1 261
Census Tract 218 2,282 1.0 2,265
Census Tract 241.01 2,068 6.5 317
Census Tract 230 1,907 0.6 3,413
Census Tract 203 1,895 0.1 13,242
Census Tract 234 1,828 1.5 1,229
Census Tract 231 1,648 0.4 4,061
Census Tract 204 1,625 0.1 20,580
Census Tract 237 1,459 0.4 3,894

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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 →