Grantsburg, Indiana Demographics & Population 2026

A note before these figures: with a population of 66, Grantsburg'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

Grantsburg is a small community located in Indiana. The total population is 66. It ranks as the 902nd most populous out of 967 Census-designated places in Indiana.

Age Demographics

The median age in Grantsburg is 77.9 years. This is 104% higher than the state median of 38.1 years. 72.7% 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 39.4%. This is 219% higher than the state poverty rate of 12.3%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The median home value is $112,500. Housing costs are 48% lower than the state median of $218,200. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 42% higher than the state average of 70.5%.

Race & Ethnicity

Every resident counted in Grantsburg was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

15.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 49% 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 66.7%.

Data Sources & Methodology

All demographic data for Grantsburg, 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.