Mercer County, Illinois Genealogy

United States &gt; Illinois &gt; Mercer County

Parent County

 * 1825--Mercer County was created 13 January 1825 from unorganized territory and Pike County. County seat: Aledo

Neighboring Counties

 * Des Moines County, Iowa
 * Henderson
 * Henry
 * Knox
 * Louisa County, Iowa
 * Muscatine County, Iowa
 * Rock Island
 * Warren

Web Sites

 * Family History Library Catalog