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Franklin County, OH Demographics

Franklin County, OH is the most populous of 88 counties in Ohio, with 1,323,807 residents across 532 square miles. That is about 2,486 people per square mile.

At the 2020 census

Population 1,323,807
Land area 532 sq mi
Density 2,486 / sq mi

Data: 2020 Census · American Community Survey 2024

How Franklin 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: Franklin County, OH

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

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

Census tracts in Franklin County, OH

Name Population Sq mi Per sq mi
Census Tract 11.21 12,131 0.3 34,889
Census Tract 72.09 9,770 2.2 4,427
Census Tract 62.41 9,531 3.4 2,840
Census Tract 73.98 8,249 2.1 3,934
Census Tract 83.50 7,668 1.7 4,428
Census Tract 63.72 7,614 0.9 8,775
Census Tract 97.52 7,528 3.1 2,401
Census Tract 97.55 7,213 4.2 1,698
Census Tract 81.32 7,202 1.0 7,041
Census Tract 93.90 7,155 2.5 2,839
Census Tract 106.02 7,124 1.4 5,206
Census Tract 69.33 7,124 0.6 12,197
Census Tract 69.32 7,121 1.0 7,212
Census Tract 69.31 6,882 0.8 8,821
Census Tract 74.27 6,714 2.8 2,418
Census Tract 83.60 6,690 1.6 4,122
Census Tract 102.04 6,684 3.2 2,122
Census Tract 63.97 6,680 0.9 7,497
Census Tract 73.03 6,632 4.6 1,440
Census Tract 71.12 6,625 1.5 4,336
Census Tract 71.93 6,563 1.7 3,757
Census Tract 70.20 6,547 1.7 3,826
Census Tract 72.05 6,540 2.1 3,144
Census Tract 97.51 6,537 10.5 622
Census Tract 62.39 6,516 2.4 2,715
Census Tract 63.87 6,512 1.5 4,370
Census Tract 79.64 6,496 1.0 6,593
Census Tract 77.21 6,485 0.8 7,813
Census Tract 88.25 6,468 1.7 3,815
Census Tract 93.81 6,424 1.2 5,353
Census Tract 74.92 6,421 2.4 2,689
Census Tract 70.48 6,388 1.1 5,796
Census Tract 83.40 6,354 3.2 2,010
Census Tract 82.42 6,316 2.1 3,038
Census Tract 63.84 6,276 0.9 6,610
Census Tract 71.99 6,263 1.4 4,603
Census Tract 74.24 6,240 1.7 3,697
Census Tract 79.22 6,201 3.1 2,030
Census Tract 62.36 6,192 2.5 2,463
Census Tract 93.73 6,184 1.2 5,098
Census Tract 69.45 6,102 0.8 8,032
Census Tract 94.20 6,093 1.5 3,961
Census Tract 71.15 6,053 0.7 8,902
Census Tract 63.86 6,014 1.7 3,595
Census Tract 62.40 5,998 6.0 1,001
Census Tract 73.01 5,986 1.1 5,627
Census Tract 62.37 5,953 1.7 3,502
Census Tract 97.53 5,947 6.9 866
Census Tract 70.44 5,888 0.9 6,899
Census Tract 100 5,858 4.1 1,444
Census Tract 75.53 5,731 0.5 11,034
Census Tract 85 5,702 1.2 4,780
Census Tract 49 5,686 0.9 6,056
Census Tract 63.91 5,664 2.5 2,250
Census Tract 92.30 5,631 0.7 7,892
Census Tract 10 5,613 0.3 16,260
Census Tract 81.66 5,601 2.7 2,045
Census Tract 81.72 5,597 2.6 2,144
Census Tract 70.43 5,558 1.0 5,531
Census Tract 72.15 5,550 2.1 2,648
Census Tract 102.02 5,534 1.8 3,061
Census Tract 63.96 5,472 3.3 1,671
Census Tract 71.20 5,451 1.3 4,183
Census Tract 93.61 5,429 2.4 2,267
Census Tract 104.02 5,411 1.4 3,981
Census Tract 72.13 5,398 10.2 530
Census Tract 72.12 5,388 2.6 2,034
Census Tract 106.01 5,364 1.4 3,819
Census Tract 63.93 5,343 0.9 5,721
Census Tract 79.66 5,332 1.2 4,353
Census Tract 95.90 5,323 16.8 316
Census Tract 94.95 5,258 7.5 697
Census Tract 79.62 5,249 1.3 4,154
Census Tract 89 5,240 0.6 8,722
Census Tract 81.69 5,235 0.9 5,756
Census Tract 12 5,201 0.3 20,070
Census Tract 71.13 5,194 1.0 5,116
Census Tract 47 5,138 0.5 10,025
Census Tract 71.14 5,130 1.6 3,192
Census Tract 83.80 5,128 3.9 1,322
Census Tract 81.70 5,083 12.9 395
Census Tract 93.91 5,068 1.0 4,974
Census Tract 94.40 5,054 3.4 1,473
Census Tract 45 5,048 1.0 5,159
Census Tract 91 5,044 0.8 6,259
Census Tract 105.01 5,037 1.1 4,726
Census Tract 83.12 5,027 0.6 8,562
Census Tract 109 4,983 1.7 2,935
Census Tract 79.61 4,974 2.5 1,960
Census Tract 64.30 4,946 1.0 4,960
Census Tract 63.30 4,941 1.1 4,496
Census Tract 79.57 4,940 1.7 2,985
Census Tract 78.12 4,931 1.6 3,071
Census Tract 79.60 4,926 0.6 8,318
Census Tract 93.95 4,895 1.0 4,989
Census Tract 73.02 4,862 0.9 5,715
Census Tract 63.10 4,857 1.6 3,004
Census Tract 83.22 4,837 0.6 7,474
Census Tract 63.53 4,806 0.7 7,157
Census Tract 79.56 4,747 1.6 3,002

Showing the 100 most populous of 328 — 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.

Read how BlockAtlas computes population within an area →