Petroleum CDP, Indiana Demographics & Population 2026

Population Overview

Petroleum CDP is a small community located in Indiana. The total population is 83. It ranks as the 879th most populous out of 967 cities and towns in Indiana.

Age Demographics

The median age in Petroleum CDP is 53.2 years. This is 40% higher than the state median of 38.0 years. 33.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The poverty rate stands at 9.6%. This is 21% lower than the state poverty rate of 12.2%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 4.3%. The median home value is $74,600. Housing costs are 63% lower than the state median of $201,600. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 42% higher than the state average of 70.3%.

Race & Ethnicity

Petroleum CDP has a predominantly White (non-Hispanic) population, comprising 100.0% of all residents.

Education

0.0% 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 100% lower than the state rate of 28.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 28.6%.

Data Sources & Methodology

All demographic data for Petroleum CDP, Indiana 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 Indiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 967 Census-designated places in Indiana. For official data, visit data.census.gov.