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Stanislaus County is a county located in the San Joaquin Valley of the U.S. state of California. As of 2023, its estimated population is 564,404. The county seat is Modesto.
Stanislaus County makes up the Modesto metropolitan statistical area. Wikipedia
Population: 551,275 (2022)
Area code: 209
Congressional districts: 5th, 9th, 13th
County seat (and largest city): Modesto
Highest elevation: 3,807 ft (1,160 m)
Incorporated: April 1, 1854
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The Stanislaus County Library provides books, books on CD, magazines, newspapers, premium content databases, and a mobile app, as well as downloadable digital ...