Census place · GEOID 1749243 · Mercer County
Millersburg, IL ZIP codes
2 ZIP/ZCTAs intersecting this Census place (CDP) in Mercer County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Millersburg (GEOID 1749243). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 5,593 (2 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Millersburg, IL

ZIP/ZCTA overlap with Millersburg
Population overlap
Share of each ZIP/ZCTA’s population located within Millersburg, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Millersburg
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 61231 | Aledo | Mercer County | 4,958 | $66,389 |
| 61260 | Joy | Mercer County | 635 | $47,500 |