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1 / 20#20. Putnam County and Allen County
- Putnam County population: 34,199
- Allen County population: 100,838
- Social connectedness index: 1,881,076

In today's digital age, social media platforms enable people to bridge geographic distances and connect with their friends, family, and community, no matter where they are. According to a 2022 Gallup and Meta study, at least 1 in 3 people across seven countries, including the U.S., said they used social media to interact with others at least once a day in the past week.
While social media has its drawbacks—such as pulling attention away from other tasks or fostering a problematic comparison culture—it remains a vital tool for helping people stay connected.
A majority of students in grades 3 to 12 said social media helped them develop relationships, learn social skills, and make a positive impact in their community, according to a 2024 report from The Social Institute.
Spokeo compiled a ranking of the most socially connected counties in Ohio using 2021 data from Facebook, based on a national analysis. County pairs were ranked by their social connectedness index, which measures the relative probability that two individuals across two locations are friends with each other on Facebook. The social connectedness index is a scaled value up to a billion. Larger indexes indicate a greater share of Facebook friends between county pairs.

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1 / 20- Putnam County population: 34,199
- Allen County population: 100,838
- Social connectedness index: 1,881,076

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2 / 20- Crawford County population: 41,529
- Richland County population: 125,064
- Social connectedness index: 1,936,084

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3 / 20- Ottawa County population: 39,803
- Sandusky County population: 58,709
- Social connectedness index: 2,007,604

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4 / 20- Morrow County population: 35,595
- Marion County population: 64,851
- Social connectedness index: 2,146,832

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5 / 20- Holmes County population: 44,386
- Wayne County population: 116,510
- Social connectedness index: 2,328,879

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6 / 20- Erie County population: 74,035
- Huron County population: 58,199
- Social connectedness index: 2,529,105

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7 / 20- Logan County population: 46,057
- Champaign County population: 38,845
- Social connectedness index: 2,703,407

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8 / 20- Meigs County population: 21,767
- Athens County population: 62,706
- Social connectedness index: 2,909,416

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9 / 20- Seneca County population: 54,527
- Wyandot County population: 21,457
- Social connectedness index: 2,944,338

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10 / 20- Morgan County population: 13,646
- Perry County population: 35,551
- Social connectedness index: 3,290,961

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11 / 20- Henry County population: 27,520
- Fulton County population: 42,007
- Social connectedness index: 3,346,990

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12 / 20- Fayette County population: 28,817
- Highland County population: 43,614
- Social connectedness index: 3,417,148

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13 / 20- Jefferson County population: 64,026
- Harrison County population: 14,159
- Social connectedness index: 3,433,727

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14 / 20- Pike County population: 27,001
- Ross County population: 76,501
- Social connectedness index: 3,569,521

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15 / 20- Mercer County population: 42,439
- Auglaize County population: 46,050
- Social connectedness index: 3,623,892

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16 / 20- Adams County population: 27,521
- Brown County population: 43,777
- Social connectedness index: 3,628,143

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17 / 20- Belmont County population: 64,918
- Monroe County population: 13,153
- Social connectedness index: 4,067,410

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18 / 20- Defiance County population: 38,315
- Paulding County population: 18,706
- Social connectedness index: 4,948,061

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19 / 20- Vinton County population: 12,474
- Jackson County population: 32,606
- Social connectedness index: 8,956,203

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20 / 20- Guernsey County population: 38,089
- Noble County population: 14,311
- Social connectedness index: 9,111,361
This story features data reporting by Karim Noorani, writing by Kayla Zhu, and is part of a series utilizing data automation across 46 states.