Stacker Studio

Most socially connected counties in California

Written by:
November 7, 2024
Photo Illustration by Stacker // Canva

This story originally appeared on Spokeo and was produced and distributed in partnership with Stacker Studio.

Most socially connected counties in California

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 California 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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#20. El Dorado County and Sacramento County

- El Dorado County population: 192,215
- Sacramento County population: 1,584,288
- Social connectedness index: 128,819

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#19. San Francisco and San Mateo County

- San Francisco population: 881,549
- San Mateo County population: 726,353
- Social connectedness index: 146,008

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#18. Sonoma County and Marin County

- Sonoma County population: 481,812
- Marin County population: 254,407
- Social connectedness index: 195,671

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#17. Santa Cruz County and San Benito County

- Santa Cruz County population: 261,547
- San Benito County population: 68,175
- Social connectedness index: 208,287

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#16. Shasta County and Lassen County

- Shasta County population: 180,366
- Lassen County population: 28,861
- Social connectedness index: 213,000

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#15. Stanislaus County and Merced County

- Stanislaus County population: 551,430
- Merced County population: 291,920
- Social connectedness index: 213,790

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#14. San Luis Obispo County and Santa Barbara County

- San Luis Obispo County population: 281,639
- Santa Barbara County population: 441,257
- Social connectedness index: 224,829

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#13. Madera County and Fresno County

- Madera County population: 162,858
- Fresno County population: 1,017,162
- Social connectedness index: 237,517

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#12. Kings County and Tulare County

- Kings County population: 152,682
- Tulare County population: 479,468
- Social connectedness index: 275,644

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#11. Napa County and Solano County

- Napa County population: 133,216
- Solano County population: 449,218
- Social connectedness index: 282,188

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#10. Placer County and Nevada County

- Placer County population: 423,561
- Nevada County population: 102,037
- Social connectedness index: 295,022

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#9. Colusa County and Yolo County

- Colusa County population: 22,037
- Yolo County population: 220,544
- Social connectedness index: 300,388

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StephanieFarrell // Shutterstock

#8. Tuolumne County and Mariposa County

- Tuolumne County population: 54,204
- Mariposa County population: 16,919
- Social connectedness index: 631,412

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#7. Trinity County and Humboldt County

- Trinity County population: 15,670
- Humboldt County population: 133,985
- Social connectedness index: 670,103

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#6. Lake County and Mendocino County

- Lake County population: 67,878
- Mendocino County population: 89,108
- Social connectedness index: 714,000

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#5. Amador County and Calaveras County

- Amador County population: 41,811
- Calaveras County population: 46,565
- Social connectedness index: 1,328,648

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#4. Glenn County and Tehama County

- Glenn County population: 28,129
- Tehama County population: 64,896
- Social connectedness index: 1,439,773

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#3. Yuba County and Sutter County

- Yuba County population: 85,722
- Sutter County population: 97,948
- Social connectedness index: 1,654,311

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#2. Plumas County and Sierra County

- Plumas County population: 19,131
- Sierra County population: 3,200
- Social connectedness index: 3,719,098

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#1. Mono County and Inyo County

- Mono County population: 13,066
- Inyo County population: 18,527
- Social connectedness index: 4,343,795

This story features data reporting by Karim Noorani, writing by Kayla Zhu, and is part of a series utilizing data automation across 46 states.

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