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County · Indiana

Sullivan County

20,768Population
-0.2 %Change since 2020
144Net migration
3.5 %Unemployment rate

Facts

Population
20,768 (2024)
Change since 2020
-0.2 %
Net migration
144 (2023)
Unemployment rate
3.5 % (2025)
State
Indiana
Population base, April 2020
20,817 (2020)
Births
220 (2023)
Births per 1,000 residents, 2023
10.6
Deaths
238 (2023)
Deaths per 1,000 residents, 2023
11.5
Natural change, 2023
-18
International migration
1 (2023)
Domestic migration
143 (2023)
Net migration per 1,000, 2023
6.9
Postal code
IN
FIPS code
18153

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

Unemployment rate, annual average

199020253.56.8
PeriodValue
20253.5 %
20244.0 %
20233.4 %
20223.4 %
20213.7 %
20206.3 %
20193.8 %
20184.2 %
20174.0 %
20165.2 %
20156.2 %
20147.1 %

Population estimates, 2020–2024

2020202420.8K20.8K
PeriodValue
202420,768
202320,822
202220,702
202120,787
202020,819