Onondaga County, NY Demographics
Onondaga County, NY is the 11th most populous of 62 counties in New York, with 476,516 residents across 778 square miles. That is about 612 people per square mile.
At the 2020 census
| Population | 476,516 |
|---|---|
| Land area | 778 sq mi |
| Density | 612 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Onondaga 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: Onondaga County, NY
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Onondaga County, NY — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Onondaga County, NY
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 163 | 8,108 | 7.6 | 1,061 |
| Census Tract 43.02 | 7,606 | 0.5 | 16,451 |
| Census Tract 114.01 | 7,253 | 7.5 | 966 |
| Census Tract 115 | 6,573 | 9.5 | 690 |
| Census Tract 118 | 6,165 | 3.0 | 2,052 |
| Census Tract 147 | 6,123 | 4.3 | 1,410 |
| Census Tract 102 | 6,086 | 9.8 | 623 |
| Census Tract 112.42 | 6,014 | 1.6 | 3,711 |
| Census Tract 154 | 5,952 | 5.3 | 1,120 |
| Census Tract 111.01 | 5,914 | 1.8 | 3,340 |
| Census Tract 151 | 5,913 | 3.1 | 1,903 |
| Census Tract 134 | 5,482 | 2.4 | 2,296 |
| Census Tract 120 | 5,476 | 37.6 | 146 |
| Census Tract 126 | 5,334 | 2.2 | 2,471 |
| Census Tract 103.01 | 5,233 | 3.4 | 1,526 |
| Census Tract 146 | 5,212 | 3.6 | 1,434 |
| Census Tract 121 | 5,202 | 21.1 | 246 |
| Census Tract 46 | 5,150 | 1.5 | 3,478 |
| Census Tract 116 | 5,088 | 3.2 | 1,597 |
| Census Tract 158 | 4,910 | 39.3 | 125 |
| Census Tract 135 | 4,876 | 1.9 | 2,514 |
| Census Tract 55 | 4,754 | 1.1 | 4,503 |
| Census Tract 157.02 | 4,735 | 33.0 | 144 |
| Census Tract 152.02 | 4,724 | 3.4 | 1,404 |
| Census Tract 108 | 4,703 | 1.1 | 4,324 |
| Census Tract 112.02 | 4,670 | 1.5 | 3,196 |
| Census Tract 166 | 4,656 | 20.5 | 227 |
| Census Tract 112.31 | 4,650 | 1.0 | 4,616 |
| Census Tract 150 | 4,604 | 5.7 | 813 |
| Census Tract 131 | 4,598 | 1.4 | 3,271 |
| Census Tract 137.01 | 4,510 | 1.5 | 2,953 |
| Census Tract 61.01 | 4,451 | 0.5 | 8,449 |
| Census Tract 124 | 4,379 | 2.4 | 1,848 |
| Census Tract 112.32 | 4,322 | 3.8 | 1,148 |
| Census Tract 142 | 4,315 | 2.3 | 1,856 |
| Census Tract 165.02 | 4,284 | 11.3 | 379 |
| Census Tract 117 | 4,199 | 2.2 | 1,892 |
| Census Tract 114.02 | 4,160 | 41.5 | 100 |
| Census Tract 110.12 | 4,157 | 0.8 | 5,477 |
| Census Tract 113 | 4,152 | 21.8 | 190 |
| Census Tract 130 | 4,137 | 0.9 | 4,485 |
| Census Tract 104 | 4,028 | 22.4 | 180 |
| Census Tract 164 | 4,026 | 4.9 | 826 |
| Census Tract 10 | 4,023 | 0.5 | 8,270 |
| Census Tract 119 | 4,003 | 30.2 | 132 |
| Census Tract 145 | 3,974 | 6.6 | 601 |
| Census Tract 111.02 | 3,906 | 3.1 | 1,274 |
| Census Tract 19 | 3,824 | 0.6 | 5,909 |
| Census Tract 112.01 | 3,775 | 1.8 | 2,091 |
| Census Tract 125 | 3,749 | 0.8 | 4,811 |
| Census Tract 103.22 | 3,722 | 1.8 | 2,042 |
| Census Tract 4 | 3,720 | 0.6 | 6,381 |
| Census Tract 60 | 3,667 | 1.5 | 2,499 |
| Census Tract 6 | 3,664 | 0.2 | 15,380 |
| Census Tract 2 | 3,642 | 0.4 | 8,612 |
| Census Tract 140 | 3,642 | 1.2 | 3,046 |
| Census Tract 44.01 | 3,508 | 0.4 | 9,143 |
| Census Tract 32 | 3,465 | 0.5 | 7,537 |
| Census Tract 110.11 | 3,445 | 1.2 | 2,939 |
| Census Tract 123 | 3,431 | 4.0 | 856 |
| Census Tract 160.01 | 3,373 | 30.9 | 109 |
| Census Tract 152.01 | 3,339 | 2.9 | 1,145 |
| Census Tract 148 | 3,282 | 6.6 | 501 |
| Census Tract 16 | 3,270 | 0.2 | 14,887 |
| Census Tract 14 | 3,225 | 0.2 | 20,094 |
| Census Tract 136 | 3,222 | 0.7 | 4,570 |
| Census Tract 39 | 3,192 | 0.4 | 8,964 |
| Census Tract 9 | 3,120 | 0.5 | 6,354 |
| Census Tract 143 | 3,078 | 1.6 | 1,942 |
| Census Tract 110.22 | 3,052 | 0.9 | 3,575 |
| Census Tract 132 | 3,004 | 1.1 | 2,713 |
| Census Tract 8 | 2,913 | 0.3 | 11,196 |
| Census Tract 103.21 | 2,901 | 1.3 | 2,177 |
| Census Tract 128 | 2,872 | 5.1 | 562 |
| Census Tract 56.02 | 2,869 | 0.4 | 7,509 |
| Census Tract 101 | 2,854 | 5.0 | 568 |
| Census Tract 110.21 | 2,821 | 3.6 | 774 |
| Census Tract 160.02 | 2,820 | 6.9 | 411 |
| Census Tract 45 | 2,795 | 0.4 | 7,845 |
| Census Tract 21.01 | 2,789 | 0.6 | 4,612 |
| Census Tract 15 | 2,781 | 0.2 | 14,068 |
| Census Tract 155 | 2,780 | 1.8 | 1,542 |
| Census Tract 152.03 | 2,763 | 2.0 | 1,391 |
| Census Tract 139 | 2,741 | 1.8 | 1,540 |
| Census Tract 18 | 2,713 | 0.3 | 7,833 |
| Census Tract 169.01 | 2,676 | 25.9 | 103 |
| Census Tract 34 | 2,673 | 0.3 | 8,131 |
| Census Tract 29.01 | 2,628 | 0.7 | 3,611 |
| Census Tract 50 | 2,617 | 0.4 | 5,886 |
| Census Tract 112.41 | 2,586 | 3.2 | 798 |
| Census Tract 17.02 | 2,572 | 0.4 | 6,672 |
| Census Tract 61.03 | 2,533 | 0.8 | 3,359 |
| Census Tract 129 | 2,508 | 0.7 | 3,615 |
| Census Tract 161 | 2,478 | 5.8 | 425 |
| Census Tract 5.01 | 2,471 | 0.3 | 8,961 |
| Census Tract 17.01 | 2,460 | 0.3 | 7,808 |
| Census Tract 167 | 2,456 | 22.1 | 111 |
| Census Tract 35 | 2,452 | 0.4 | 6,072 |
| Census Tract 144 | 2,428 | 6.6 | 371 |
| Census Tract 54 | 2,403 | 0.3 | 8,324 |
Showing the 100 most populous of 142 — the rest are shown on the map.
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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.