Population of Mercer County, Illinois (County)

Map of Population by County Subdivision in Mercer County

Map of Population by Tract in Mercer County

Map of Population by Block Group in Mercer County

Population by Place in Mercer County

There are 12 places that are fully or partially contained within Mercer County (10 fully and 2 partially). This section compares all 12 of those to each other.

Population by County Subdivision in Mercer County

There are 15 county subdivisions in Mercer County. This section compares all 15 of those to each other.

Population by County in the Davenport Area

There are 4 counties in the Davenport Area. This section compares Mercer County to all of the counties in the Davenport Area.

Population by County in Illinois

There are 102 counties in Illinois. This section compares Mercer County to the 50 most populous counties in Illinois. The least populous of the compared counties has a population of 29,301.

Population by County in the United States

There are 3,142 counties in the United States. This section compares Mercer County to the 50 most populous counties in the United States. The least populous of the compared counties has a population of 941,618.

Definitions

This page reports on the population distribution in Mercer County, both in terms of raw head counts, and in terms of population density per square mile.

• Population: count of all residents of the given entity at the time of the survey, excluding visitors
• Population Density: population divided by the total land area of the entity (i.e., excluding water areas contained in the entity)

For additional information about the data presented on this site, including our sources, please see the About Page.