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County · Idaho

Gem County

21,857Population
14.3 %Change since 2020
659Net migration
3.7 %Unemployment rate

Facts

Population
21,857 (2024)
Change since 2020
14.3 %
Net migration
659 (2023)
Unemployment rate
3.7 % (2025)
State
Idaho
Population base, April 2020
19,127 (2020)
Births
214 (2023)
Births per 1,000 residents, 2023
9.8
Deaths
236 (2023)
Deaths per 1,000 residents, 2023
10.8
Natural change, 2023
-22
International migration
264 (2023)
Domestic migration
395 (2023)
Net migration per 1,000, 2023
30.2
Postal code
ID
FIPS code
16045

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020253.76.6
PeriodValue
20253.7 %
20243.8 %
20233.5 %
20222.9 %
20213.8 %
20205.5 %
20193.0 %
20183.2 %
20173.6 %
20164.2 %
20154.9 %
20145.4 %

Population estimates, 2020–2024

2020202421.9K19.3K
PeriodValue
202421,857
202321,384
202220,739
202119,813
202019,278