Shirley CDP, Illinois Demographics & Population 2026

Population Overview

Shirley CDP is a small community located in Illinois. The total population is 73. It ranks as the 1376th most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Shirley CDP is 27.7 years. This is 29% lower than the state median of 38.9 years. With 45.2% of the population under 18, Shirley CDP has a notably young demographic profile, suggesting a family-oriented community. 15.1% 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 Shirley CDP is $68,214. 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 0.0%. This is 100% lower than the state poverty rate of 11.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.0%. This is 100% lower than the state rate of 5.8%. The median home value is $84,500. Housing costs are 66% lower than the state median of $250,500. With a home-value-to-income ratio of just 1.2x, Shirley CDP is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 50% higher than the state average of 66.8%.

Race & Ethnicity

The largest racial or ethnic group in Shirley CDP is White (non-Hispanic), making up 53.4% of the population. Hispanic or Latino residents account for 46.6%. The Hispanic or Latino population is significantly higher than the state average (46.6% vs 18.5%).

Education

12.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 66% 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 62.5%.

Data Sources & Methodology

All demographic data for Shirley CDP, 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.