Cities & Towns in Jefferson County, ID

Jefferson County, county in Idaho, United States. As of 2020 county had an estimated population of 29,871 inhabitants. The county was created 111 years ago in 1913. Its county seat is Rigby.

There are 0 city/town in Jefferson County, ID.

All Jefferson County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Jefferson County.

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City Name Title Population