Allenville, Missouri Demographics & Population 2026

A note before these figures: with a population of 127, Allenville'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

Allenville is a small community located in Missouri, within Cape Girardeau County. The total population is 127. It ranks as the 826th most populous out of 1,062 Census-designated places in Missouri.

Age Demographics

The median age in Allenville is 42.2 years. This is 8% higher than the state median of 39.0 years. With 32.3% of the population under 18, Allenville has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Allenville is $51,071. This is 28% lower than the state median of $70,702. It is also 37% lower than the national median of $80,734. The poverty rate stands at 25.6%. This is 103% higher than the state poverty rate of 12.6%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The survey records no unemployed residents in Allenville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $82,500. Housing costs are 64% lower than the state median of $230,300. With a home-value-to-income ratio of just 1.6x, Allenville is one of the most affordable housing markets in the area. 92.5% of occupied housing units are owner-occupied. This homeownership rate is 36% higher than the state average of 68.1%.

Race & Ethnicity

Allenville has a predominantly White (non-Hispanic) population, comprising 98.4% of all residents.

Education

16.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 48% 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 71.1%.

Data Sources & Methodology

All demographic data for Allenville, 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.