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Radio Station Growth


The following graph shows the number of AM and commercial FM stations from 1922 through 1997. You can move your mouse over the chart to see the exact number of stations for each year.

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This map shows the number of radio stations in the United States as of January 1922. Larger circles denote a larger number of stations located in that city. You can move your mouse over each circle to see the exact city and number of stations.

This site benefits from users having the Adobe/Macromedia Flash plug-in. Visit the Adobe/Macromedia Flash site to download the free plug-in.



This map shows the number of radio stations in the United States as of 1934. Larger circles denote a larger number of stations located in that city. You can move your mouse over each circle to see the exact city and number of stations.

This site benefits from users having the Adobe/Macromedia Flash plug-in. Visit the Adobe/Macromedia Flash site to download the free plug-in.



This map shows the number of AM radio stations in the United States as of 1946. Larger circles denote a larger number of stations located in that city. You can move your mouse over each circle to see the exact city and number of stations.

This site benefits from users having the Adobe/Macromedia Flash plug-in. Visit the Adobe/Macromedia Flash site to download the free plug-in.



This map shows the number of FM radio stations in the United States as of 1958. The first FM stations began to appear in the United States in 1942 Larger circles denote a larger number of stations located in that city. You can move your mouse over each circle to see the exact city and number of stations.

This site benefits from users having the Adobe/Macromedia Flash plug-in. Visit the Adobe/Macromedia Flash site to download the free plug-in.



This map shows the number of commercial AM and FM radio stations in the United States as of November 2006. Larger circles denote a larger number of stations located in that city. You can click on the map to load the interactive version.

This site benefits from users having the Adobe/Macromedia Flash plug-in. Visit the Adobe/Macromedia Flash site to download the free plug-in.


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