Located in Contra Costa County, California, Pittsburg was established in 1849. Spelled without the 'h' — unlike Pittsburgh, Pennsylvania. Had a US Steel mill for decades.
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Founded1849|Population76,700|Peak76,700(2024)|CountyContra Costa County
Top 10 Most Important Events for Pittsburg, California
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1849Coal Mining: Named for Pittsburgh PA.
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1911Steel Mill: Columbia Steel (later US Steel).
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1960Parks & Recreation: Pittsburg developed parks and recreational facilities that became central to community life.