Largest Cities in Jefferson County, ID by Population
Jefferson County, county in Idaho, United States. As of 2020 county had an estimated population of 29,871 inhabitants. The county was created 113 years ago in 1913. Its county seat is Rigby.
There are 1 city/town in Jefferson County, ID. The largest city of Jefferson County is Rigby with a population of 4,292.
Rigby
Rigby, City in Jefferson County, Idaho, United States
All Jefferson County Cities (Aphebetical)
List of cities, towns, neighborhoods & other populated places in Jefferson County.
| City Name | Population |
|---|---|
| Rigby | 4,292 |
County Cities on Map (1)
Idaho Counties (44)
Ada County (481,587)
Canyon County (229,849)
Kootenai County (165,697)
Bonneville County (119,062)
Bannock County (87,808)
Twin Falls County (86,878)
Bingham County (46,811)
Bonner County (45,739)
Nez Perce County (40,408)
Latah County (40,108)
Madison County (39,907)
Jefferson County (29,871)
Elmore County (27,511)
Jerome County (24,412)
Cassia County (24,030)
Payette County (23,951)
Blaine County (23,021)
Minidoka County (21,039)
Gem County (18,112)
Idaho County (16,667)
Gooding County (15,179)
Franklin County (13,876)
Fremont County (13,099)
Shoshone County (12,882)
Boundary County (12,245)
Teton County (12,142)
Owyhee County (11,823)
Valley County (11,392)
Washington County (10,194)
Benewah County (9,298)
Clearwater County (8,756)
Lemhi County (8,027)
Boise County (7,831)
Power County (7,681)
Caribou County (7,155)
Bear Lake County (6,125)
Lincoln County (5,366)
Oneida County (4,531)
Custer County (4,315)
Adams County (4,294)
Lewis County (3,838)
Butte County (2,597)
Camas County (1,106)
Clark County (845)