Stronghurst, Illinois Demographics & Population 2026

A note before these figures: with a population of 949, Stronghurst's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Stronghurst is a small community located in Illinois, within Henderson County. The total population is 949. It ranks as the 713th most populous out of 1,445 Census-designated places in Illinois.

Age Demographics

The median age in Stronghurst is 37.8 years. This is 3% lower than the state median of 39.0 years. 14.3% 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 Stronghurst is $59,375. This is 29% lower than the state median of $83,390. It is also 26% lower than the national median of $80,734. The poverty rate stands at 14.9%. This is 26% higher than the state poverty rate of 11.8%. The unemployment rate is 8.8%. This is 51% higher than the state rate of 5.8%. The median home value is $124,600. Housing costs are 53% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.1x, Stronghurst is one of the most affordable housing markets in the area. 66.4% of occupied housing units are owner-occupied.

Race & Ethnicity

Stronghurst has a predominantly White (non-Hispanic) population, comprising 96.3% of all residents. Black or African American residents account for 0.2%. The White (non-Hispanic) population is significantly higher than the state average (96.3% vs 58.1%). The Black or African American population (0.2%) is well below the state average of 13.3%. The Hispanic or Latino population (0.1%) is well below the state average of 18.8%.

Education

20.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.1%.

Data Sources & Methodology

All demographic data for Stronghurst, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. 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. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.