Olive Branch CDP, Illinois Demographics & Population 2026

Population Overview

Olive Branch CDP is a small community located in Illinois. The total population is 441. It ranks as the 976th most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Olive Branch CDP is 56.4 years. This is 45% higher than the state median of 38.9 years. 11.3% 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 Olive Branch CDP is $27,250. This is 67% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 65% lower. The poverty rate stands at 45.1%. This is 285% 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 $58,700. Housing costs are 77% lower than the state median of $250,500. With a home-value-to-income ratio of just 2.2x, Olive Branch CDP is one of the most affordable housing markets in the area. 80.9% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 66.8%.

Race & Ethnicity

Olive Branch CDP has a predominantly White (non-Hispanic) population, comprising 97.3% of all residents. The White (non-Hispanic) population is significantly higher than the state average (97.3% vs 58.8%).

Education

4.8% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 87% 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 88.6%.

Data Sources & Methodology

All demographic data for Olive Branch 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.