County
· Idaho
Jefferson County
Jefferson County is a county located in the U.S. state of Idaho. As of the 2020 Census, the county's population was 30,891. The county seat and largest city is Rigby. The county was established in 1913 and named after Thomas Jefferson, the third U.S. President. Jefferson County is part of the Idaho Falls metropolitan area.
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Cities and towns 6
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 162024
- FIPS state
- 16
- FIPS county
- 051
- FIPS place
- 99051
- Census record name
- COUNTY OF JEFFERSON
- Mailing address
- 210 COURTHOUSE WAY, RIGBY 83442