Eighty years ago today, the May 15, 1938, issue of Broadcasting carried this snapshot of the adoption of radio in the United States, including figures broken down by state and county.

Nationwide, 26,666,500 homes had a radio, representing 82% of the nation’s families. The highest adoption was in California, Nevada, Oregon, and Washington, with 95% of households having a radio. Mississippi brought up the rear, with only 42% of the state’s households having a radio.

Minnesota was well served by radio. 93% of urban households and 77% of the rural had a radio, for a statewide rate of 85%.