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1 / 50#50. Franklin County, Pennsylvania and Berkeley County, West Virginia
- Franklin County population: 157,854
- Berkeley County population: 132,440
- Social connectedness index: 234,903

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 exacerbating attention issues or fostering a problematic comparison culture—it remains a vital tool for helping people stay connected.
A majority of grade 3 to 12 students 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 50 pairs of the most socially connected counties in America using 2021 data from Facebook. 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.
Some county pairs in the top 50 share similarities like population size, geographic proximity, or demographic composition. For example, the second-ranked pair of Faulkner and Saline County in Arkansas both have similar population sizes, age and racial distributions, and per capita incomes, according to Census data.
For this ranking, only nonneighboring counties with populations over 100,000 were considered, based on the 2023 Census estimates. Connecticut was excluded from the analysis because the Facebook data predates the Census' shift to reporting planning regions instead of counties.
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1 / 50- Franklin County population: 157,854
- Berkeley County population: 132,440
- Social connectedness index: 234,903

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2 / 50- Wood County population: 132,650
- Monroe County population: 155,045
- Social connectedness index: 235,864

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3 / 50- Cleveland County population: 101,378
- Catawba County population: 164,645
- Social connectedness index: 236,647

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4 / 50- Harford County population: 264,644
- Baltimore population: 565,239
- Social connectedness index: 238,615

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5 / 50- Alamance County population: 179,165
- Durham County population: 336,892
- Social connectedness index: 239,354

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6 / 50- Minnehaha County population: 206,930
- Pennington County population: 115,903
- Social connectedness index: 239,738

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7 / 50- York County population: 218,586
- Androscoggin County population: 113,765
- Social connectedness index: 240,612
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8 / 50- Floyd County population: 100,113
- Paulding County population: 183,164
- Social connectedness index: 240,985
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9 / 50- Peoria County population: 177,513
- McLean County population: 170,441
- Social connectedness index: 242,516

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10 / 50- Utah County population: 719,174
- Washington County population: 202,452
- Social connectedness index: 245,507

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11 / 50- Clermont County population: 211,972
- Kenton County population: 171,321
- Social connectedness index: 247,561

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12 / 50- Macon County population: 100,591
- Champaign County population: 205,644
- Social connectedness index: 251,685

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13 / 50- Hawai'i County population: 207,615
- Maui County population: 164,183
- Social connectedness index: 252,346

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14 / 50- San Juan County population: 120,675
- Navajo County population: 109,175
- Social connectedness index: 253,212

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15 / 50- Ouachita Parish population: 157,568
- Bossier Parish population: 129,795
- Social connectedness index: 255,371

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16 / 50- Chesapeake population: 253,886
- Hampton population: 137,098
- Social connectedness index: 256,337
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17 / 50- Cass County population: 111,732
- Clay County population: 259,772
- Social connectedness index: 256,581

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18 / 50- Wright County population: 151,150
- Anoka County population: 372,441
- Social connectedness index: 257,174

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19 / 50- Kanawha County population: 174,805
- Monongalia County population: 107,718
- Social connectedness index: 257,769

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20 / 50- Washington County population: 261,549
- Sebastian County population: 129,098
- Social connectedness index: 258,545

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21 / 50- Douglas County population: 589,540
- Lancaster County population: 326,716
- Social connectedness index: 259,564

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22 / 50- Shelby County population: 233,000
- Tuscaloosa County population: 237,373
- Social connectedness index: 262,856
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23 / 50- Ascension Parish population: 131,632
- Terrebonne Parish population: 103,616
- Social connectedness index: 267,878

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24 / 50- Craven County population: 102,391
- Onslow County population: 213,676
- Social connectedness index: 271,594

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25 / 50- St. Charles County population: 416,659
- St. Louis population: 281,754
- Social connectedness index: 273,316
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26 / 50- Richland County population: 425,138
- Florence County population: 137,214
- Social connectedness index: 287,627

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27 / 50- Pulaski County population: 400,009
- Craighead County population: 113,993
- Social connectedness index: 289,498

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28 / 50- Kalamazoo County population: 262,215
- Berrien County population: 152,261
- Social connectedness index: 289,684

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29 / 50- Johnson County population: 167,819
- Hendricks County population: 186,387
- Social connectedness index: 298,606

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30 / 50- Washington County population: 129,982
- Providence County population: 660,615
- Social connectedness index: 303,860

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31 / 50- Greene County population: 169,691
- Miami County population: 110,876
- Social connectedness index: 304,952

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32 / 50- Cache County population: 142,393
- Davis County population: 373,207
- Social connectedness index: 312,971

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33 / 50- Lubbock County population: 320,940
- Randall County population: 148,255
- Social connectedness index: 313,938

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34 / 50- Wicomico County population: 104,800
- Kent County population: 189,789
- Social connectedness index: 315,267

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35 / 50- Lafayette Parish population: 249,750
- Calcasieu Parish population: 203,761
- Social connectedness index: 316,119

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36 / 50- Linn County population: 228,972
- Black Hawk County population: 130,471
- Social connectedness index: 324,778

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37 / 50- Montgomery County population: 224,980
- Lee County population: 183,215
- Social connectedness index: 333,533

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38 / 50- Vanderburgh County population: 179,810
- Daviess County population: 103,458
- Social connectedness index: 343,317

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39 / 50- Pitt County population: 175,119
- Wayne County population: 118,686
- Social connectedness index: 357,932
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40 / 50- East Baton Rouge Parish population: 448,467
- Tangipahoa Parish population: 138,064
- Social connectedness index: 381,612
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41 / 50- Gallatin County population: 126,409
- Yellowstone County population: 170,843
- Social connectedness index: 411,299

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42 / 50- Kennebec County population: 127,259
- Penobscot County population: 155,312
- Social connectedness index: 416,342

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43 / 50- Suffolk population: 100,659
- Norfolk population: 230,930
- Social connectedness index: 439,181
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44 / 50- Walton County population: 106,702
- Clarke County population: 129,933
- Social connectedness index: 470,595

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45 / 50- Platte County population: 111,940
- Jackson County population: 718,560
- Social connectedness index: 474,726

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46 / 50- Cass County population: 196,362
- Burleigh County population: 100,012
- Social connectedness index: 508,766

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47 / 50- Rensselaer County population: 159,305
- Schenectady County population: 159,902
- Social connectedness index: 573,234

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48 / 50- Richmond population: 229,247
- Hanover County population: 114,148
- Social connectedness index: 626,316

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49 / 50- Faulkner County population: 129,951
- Saline County population: 129,574
- Social connectedness index: 626,960

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50 / 50- Aiken County population: 177,130
- Columbia County population: 165,162
- Social connectedness index: 677,441
Data reporting by Karim Noorani. Story editing by Carren Jao. Additional editing by Kelly Glass. Copy editing by Tim Bruns.