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Assumption city, Illinois

Official LSAD Designation: Assumption city • Census GEOID: 1702609 • Christian County

Demographics & Population Profile

Population and demographics for Assumption city.

Demographic Variable Estimate / Count Margin of Error Period Source
Total Population (2025 PEP Estimate) 1,112 — 2025 Census
Median Age 37.2 yrs ±7.8 2020-2024 Census ACS 5-Year 2024
Total Households 600 ±131 2020-2024 Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).