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County · Kansas

Jefferson County

18,332Population
-0.2 %Change since 2020
18Net migration
3.5 %Unemployment rate

Facts

Population
18,332 (2024)
Change since 2020
-0.2 %
Net migration
18 (2023)
Unemployment rate
3.5 % (2025)
State
Kansas
Population base, April 2020
18,362 (2020)
Births
187 (2023)
Births per 1,000 residents, 2023
10.2
Deaths
237 (2023)
Deaths per 1,000 residents, 2023
12.9
Natural change, 2023
-50
International migration
12 (2023)
Domestic migration
6 (2023)
Net migration per 1,000, 2023
1.0
Postal code
KS
FIPS code
20087

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

Unemployment rate, annual average

199020253.55.0
PeriodValue
20253.5 %
20243.5 %
20232.8 %
20222.9 %
20213.3 %
20205.1 %
20193.2 %
20183.3 %
20173.7 %
20164.0 %
20154.2 %
20144.8 %

Population estimates, 2020–2024

2020202418.3K18.3K
PeriodValue
202418,332
202318,307
202218,344
202118,435
202018,325