Knightsville, Indiana Demographics & Population 2026

A note before these figures: with a population of 642, Knightsville'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

Knightsville is a small community located in Indiana, within Clay County. The total population is 642. It ranks as the 456th most populous out of 967 Census-designated places in Indiana.

Age Demographics

The median age in Knightsville is 56.1 years. This is 47% higher than the state median of 38.1 years. Only 13.1% of residents are under 18, indicating fewer families with children. 15.4% 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 Knightsville is $60,208. This is 16% lower than the state median of $71,957. It is also 25% lower than the national median of $80,734. The poverty rate stands at 9.0%. This is 27% lower than the state poverty rate of 12.3%. The survey records no unemployed residents in Knightsville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $109,800. Housing costs are 50% lower than the state median of $218,200. With a home-value-to-income ratio of just 1.8x, Knightsville is one of the most affordable housing markets in the area. 86.2% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 70.5%.

Race & Ethnicity

Knightsville has a predominantly White (non-Hispanic) population, comprising 95.5% of all residents. Black or African American residents account for 1.4%. The Black or African American population (1.4%) is well below the state average of 9.1%. The Hispanic or Latino population (0.5%) is well below the state average of 8.6%.

Education

9.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 69% 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 79.5%.

Data Sources & Methodology

All demographic data for Knightsville, 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.