Mercer County is a district of Illinois.
Boundaries: United States Census Bureau, MAF/TIGER Database (https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.html) via geoBoundaries, public domain
| Township of Abington | no seat recorded | |
| Township of Duncan | no seat recorded | |
| Township of Eliza | no seat recorded | |
| Township of Greene | no seat recorded | |
| Township of Keithsburg | no seat recorded | |
| Township of Mercer | Aledo | |
| Township of Millersburg | no seat recorded | |
| Township of New Boston | no seat recorded | |
| Township of North Henderson | no seat recorded | |
| Township of Ohio Grove | no seat recorded | |
| Township of Perryton | no seat recorded | |
| Township of Preemption | no seat recorded | |
| Township of Richland Grove | no seat recorded | |
| Township of Rivoli | no seat recorded | |
| Township of Suez | no seat recorded |
Nothing has been written about Mercer County here, and neither Wikipedia nor Wikivoyage has an article we could draw one from. If you know the place, that makes you a better source than anything we have. Tell us what is worth knowing and where you got it.
We show Aledo as the capital of Mercer County. If that is wrong, tell us what it should be and where you read it.
Sign in to send a correction for Mercer County, so a moderator can follow up with you.