Lamar, MO Insights: Population,
Zip Codes, Influence, and Service Areas

Lamar is a city in and the county seat of Barton County, Missouri, United States. As of the 2020 census, the city population was 4,266. It is known as the birthplace of Harry S. Truman, the 33rd president of the United States.

Zip Codes in Lamar, MO that we also serve: 64759





Cities Close To Lamar, MO That We Also Serve



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