Peru, Illinois Map and Directory

Regional Directory > States Menu > Illinois

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According to the United States Census Bureau, Peru is a City that is located in LaSalle County, Illinois at 41.33 degrees North and 89.13 degrees West. The city's time zone is America/Chicago, and the city's primary telephone area code is 815. The land area of Peru is about 9.01 square miles, whereas the water area of the city is about 0.11 square miles. LaSalle County's land area is about 1,135 square miles, so the city occupies about 0.8 percent of the county's total land area.

The Census Bureau estimates that Peru had about 9,730 residents in 2019, which is approximately 1,080 people per square mile of land area.

According to recent American Community Survey data, the median household income in Peru was about $51,321 per year.

The Illinois counties map at upper right shows LaSalle County, highlighted in red. Use the menu below to display interactive maps of Peru, either in a frame on this page or in full-screen mode.

Use the menu below to display categorized Peru directories.