Attention Montclair residents - State Street has reopened to east and west traffic. Thank you for your patience and understanding. 

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Census & Demographic Data

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The estimated population for the City of Montclair as of January 1, 2013, according to the state's Department of Finance, was 37,311 residents. The total land area within the City's corporate boundary is 5.54 square miles, with an additional .92 square miles in the City's Sphere of Influence, which extends west to the Los Angeles County line; south to Phillips Boulevard; and east to Benson Avenue.