Peru city, Illinois Demographics & Population 2026

Population Overview

Peru city is a small city located in Illinois. The total population is 9,863. It ranks as the 227th most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Peru city is 45.4 years. This is 17% higher than the state median of 38.9 years. 11.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Peru city is $68,147. This is 17% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 13% lower. The poverty rate stands at 9.2%. This is 22% lower than the state poverty rate of 11.7%. The unemployment rate is 3.3%. This is 43% lower than the state rate of 5.8%. The median home value is $155,600. Housing costs are 38% lower than the state median of $250,500. With a home-value-to-income ratio of just 2.3x, Peru city is one of the most affordable housing markets in the area. 74.5% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 66.8%.

Race & Ethnicity

The largest racial or ethnic group in Peru city is White (non-Hispanic), making up 84.9% of the population. Hispanic or Latino residents account for 9.9%. The Black or African American population (1.0%) is well below the state average of 13.6%. The Asian population (1.5%) is well below the state average of 5.8%.

Education

21.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 43% lower than the state rate of 37.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.2%.

Data Sources & Methodology

All demographic data for Peru city, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. For official data, visit data.census.gov.