Holcomb CDP, Illinois Demographics & Population 2026

Population Overview

Holcomb CDP is a small community located in Illinois. The total population is 175. It ranks as the 1244th most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Holcomb CDP is 55.4 years. This is 42% higher than the state median of 38.9 years. Only 14.9% of residents are under 18, indicating fewer families with children. 22.9% 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 Holcomb CDP is $54,250. This is 34% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 31% lower. The poverty rate stands at 32.3%. This is 176% higher than the state poverty rate of 11.7%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 0.0%. This is 100% lower than the state rate of 5.8%. The median home value is $130,500. Housing costs are 48% lower than the state median of $250,500. With a home-value-to-income ratio of just 2.4x, Holcomb CDP is one of the most affordable housing markets in the area. 84.6% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 66.8%.

Race & Ethnicity

The largest racial or ethnic group in Holcomb CDP is White (non-Hispanic), making up 78.9% of the population. Hispanic or Latino residents account for 21.1%.

Education

8.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 78% 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 95.5%.

Data Sources & Methodology

All demographic data for Holcomb 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.