Gravois Mills, Missouri Demographics & Population 2026

A note before these figures: with a population of 116, Gravois Mills'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

Gravois Mills is a small community located in Missouri, within Morgan County. The total population is 116. It ranks as the 844th most populous out of 1,062 Census-designated places in Missouri.

Age Demographics

The median age in Gravois Mills is 49.0 years. This is 26% higher than the state median of 39.0 years. Only 8.6% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Gravois Mills is $51,563. This is 27% lower than the state median of $70,702. It is also 36% lower than the national median of $80,734. The poverty rate stands at 12.9%. This is 3% higher than the state poverty rate of 12.6%. The survey records no unemployed residents in Gravois Mills, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $56,100. Housing costs are 76% lower than the state median of $230,300. With a home-value-to-income ratio of just 1.1x, Gravois Mills is one of the most affordable housing markets in the area. 76.5% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 68.1%.

Race & Ethnicity

Gravois Mills has a predominantly White (non-Hispanic) population, comprising 89.7% of all residents. Black or African American residents account for 2.6%. The Black or African American population (2.6%) is well below the state average of 10.9%.

Education

5.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 82% lower than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.0%.

Data Sources & Methodology

All demographic data for Gravois Mills, Missouri 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 Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.