City Population And Economic Context
Dupo, IL
Dupo, IL city profile with direct Population Pulse only when verified, plus named parent-county economic context.
/il/dupoUpdated Sep 6, 2026
Overview
Dupo, IL city profile with direct Population Pulse only when verified, plus named parent-county economic context.
Current Population And County Economic Pulse
Direct city population values appear only when the Census place match is verified. Jobs and earnings use named parent-county context.
Population
Direct source match2025 population estimate
3,766
One-year change -0.9%
Five-year change -5.4%
Published from the active current-data Pulse release. This does not change the annual Combined Score.
County Jobs Context
Parent-county contextQ1 2026 average covered employment
St. Clair County: 87,241
Q1 2025 -1.2%
2025 annual context 89,192
St. Clair County data is shown as context; it is not claimed as a city estimate.
View St. Clair County profile →