Oak Grove Village, Missouri Demographics & Population 2026

A note before these figures: with a population of 347, Oak Grove Village'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

Oak Grove Village is a small community located in Missouri, within Franklin County. The total population is 347. It ranks as the 607th most populous out of 1,062 Census-designated places in Missouri.

Age Demographics

The median age in Oak Grove Village is 45.9 years. This is 18% higher than the state median of 39.0 years. Only 14.7% of residents are under 18, indicating fewer families with children. 13.8% 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 Oak Grove Village is $41,324. This is 42% lower than the state median of $70,702. It is also 49% lower than the national median of $80,734. The poverty rate stands at 31.5%. This is 150% 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 Oak Grove Village, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $152,500. Housing costs are 34% lower than the state median of $230,300. The home-value-to-income ratio is 3.7x. 45.1% of occupied housing units are owner-occupied. This homeownership rate is 34% lower than the state average of 68.1%.

Race & Ethnicity

The largest racial or ethnic group in Oak Grove Village is White (non-Hispanic), making up 76.7% of the population. Black or African American residents account for 0.9%. The Black or African American population (0.9%) is well below the state average of 10.9%. The Asian population (0.6%) is well below the state average of 2.1%.

Education

8.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 75% 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 78.0%.

Data Sources & Methodology

All demographic data for Oak Grove Village, 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.