Diehlstadt, Missouri Demographics & Population 2026

A note before these figures: with a population of 113, Diehlstadt'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

Diehlstadt is a small community located in Missouri, within Scott County. The total population is 113. It ranks as the 852nd most populous out of 1,062 Census-designated places in Missouri.

Age Demographics

The median age in Diehlstadt is 42.6 years. This is 9% higher than the state median of 39.0 years. Only 14.2% of residents are under 18, indicating fewer families with children. 11.5% 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 Diehlstadt is $46,250. This is 35% lower than the state median of $70,702. It is also 43% lower than the national median of $80,734. The poverty rate stands at 11.5%. This is 9% lower than the state poverty rate of 12.6%. The unemployment rate is 16.7%. This is 315% higher than the state rate of 4.0%. The median home value is $73,800. Housing costs are 68% lower than the state median of $230,300. With a home-value-to-income ratio of just 1.6x, Diehlstadt is one of the most affordable housing markets in the area. 87.5% of occupied housing units are owner-occupied. This homeownership rate is 28% higher than the state average of 68.1%.

Race & Ethnicity

Diehlstadt has a predominantly White (non-Hispanic) population, comprising 85.8% of all residents. Black or African American residents account for 1.8%. The Black or African American population (1.8%) is well below the state average of 10.9%.

Education

11.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 66% 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 85.6%.

Data Sources & Methodology

All demographic data for Diehlstadt, 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.