Tecumseh, Indiana Demographics & Population 2026

A note before these figures: with a population of 638, Tecumseh'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

Tecumseh is a small community located in Indiana, within Vigo County. The total population is 638. It ranks as the 457th most populous out of 967 Census-designated places in Indiana.

Age Demographics

The median age in Tecumseh is 58.2 years. This is 53% higher than the state median of 38.1 years. Only 13.3% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Tecumseh is $91,750. This is 28% higher than the state median of $71,957. It is also 14% higher than the national median of $80,734. The poverty rate stands at 9.3%. This is 25% lower than the state poverty rate of 12.3%. The unemployment rate is 2.2%. This is 48% lower than the state rate of 4.3%. The median home value is $251,000. Housing costs are 15% higher than the state median of $218,200. With a home-value-to-income ratio of just 2.7x, Tecumseh is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 42% higher than the state average of 70.5%.

Race & Ethnicity

Tecumseh has a predominantly White (non-Hispanic) population, comprising 90.0% of all residents. Asian residents account for 4.2%. The Asian population is significantly higher than the state average (4.2% vs 2.6%).

Education

51.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Tecumseh in the top 10% of all cities in the state for educational attainment. This is 75% higher than the state rate of 29.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 35.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Tecumseh, 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.