State Line City, Indiana Demographics & Population 2026

A note before these figures: with a population of 103, State Line City'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

State Line City is a small community located in Indiana, within Warren County. The total population is 103. It ranks as the 845th most populous out of 967 Census-designated places in Indiana.

Age Demographics

The median age in State Line City is 34.5 years. This is 9% lower than the state median of 38.1 years. With 34.0% of the population under 18, State Line City has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in State Line City is $73,750. This is 2% higher than the state median of $71,957. It is also 9% lower than the national median of $80,734. The poverty rate stands at 17.5%. This is 42% higher than the state poverty rate of 12.3%. The unemployment rate is 2.0%. This is 53% lower than the state rate of 4.3%. The median home value is $86,400. Housing costs are 60% lower than the state median of $218,200. With a home-value-to-income ratio of just 1.2x, State Line City is one of the most affordable housing markets in the area. 92.1% of occupied housing units are owner-occupied. This homeownership rate is 31% higher than the state average of 70.5%.

Race & Ethnicity

The largest racial or ethnic group in State Line City is White (non-Hispanic), making up 62.1% of the population. Hispanic or Latino residents account for 24.3%. The Hispanic or Latino population is significantly higher than the state average (24.3% vs 8.6%).

Education

9.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 68% lower than the state rate of 29.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.3%.

Data Sources & Methodology

All demographic data for State Line City, Indiana 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 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. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.