1. Home
  2. Counties
  3. Illinois
  4. Piatt County
County · Illinois

Piatt County

16,628Population
-0.3 %Change since 2020
72Net migration
3.6 %Unemployment rate

Facts

Population
16,628 (2024)
Change since 2020
-0.3 %
Net migration
72 (2023)
Unemployment rate
3.6 % (2025)
Population base, April 2020
16,678 (2020)
Births
160 (2023)
Births per 1,000 residents, 2023
9.6
Deaths
183 (2023)
Deaths per 1,000 residents, 2023
11.0
Natural change, 2023
-23
International migration
1 (2023)
Domestic migration
71 (2023)
Net migration per 1,000, 2023
4.3
Postal code
IL
FIPS code
17147

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

Unemployment rate, annual average

199020253.64.7
PeriodValue
20253.6 %
20243.7 %
20233.7 %
20223.4 %
20214.0 %
20205.2 %
20193.4 %
20184.2 %
20174.0 %
20164.7 %
20154.9 %
20145.5 %

Population estimates, 2020–2024

2020202416.6K16.7K
PeriodValue
202416,628
202316,720
202216,678
202116,764
202016,683