Paris is a city and county seat of Bear Lake County, Idaho, United States. Located on the western side of the Bear Lake Valley, the city's popul…Paris is a city and county seat of Bear Lake County, Idaho, United States. Located on the western side of the Bear Lake Valley, the city's population was 541 at the 2020 census. Paris was settled on September 26, 1863, by pioneer settlers of the Church of Jesus Christ of Latter-day Saints.