Kinloch, Missouri Demographics & Population 2026

A note before these figures: with a population of 322, Kinloch'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

Kinloch is a small community located in Missouri, within St. Louis County. The total population is 322. It ranks as the 624th most populous out of 1,062 Census-designated places in Missouri.

Age Demographics

The median age in Kinloch is 27.9 years. This is 28% lower than the state median of 39.0 years. Only 7.8% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Kinloch is $44,688. This is 37% lower than the state median of $70,702. It is also 45% lower than the national median of $80,734. The poverty rate stands at 33.9%. This is 169% 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 unemployment rate is 8.3%. This is 106% higher than the state rate of 4.0%. The median home value is $84,800. Housing costs are 63% lower than the state median of $230,300. With a home-value-to-income ratio of just 1.9x, Kinloch is one of the most affordable housing markets in the area. 24.0% of occupied housing units are owner-occupied. This homeownership rate is 65% lower than the state average of 68.1%.

Race & Ethnicity

The largest racial or ethnic group in Kinloch is Black or African American, making up 57.8% of the population. White (non-Hispanic) residents account for 28.3%. The White (non-Hispanic) population (28.3%) is well below the state average of 76.3%. The Black or African American population is significantly higher than the state average (57.8% vs 10.9%). The Hispanic or Latino population (2.2%) is well below the state average of 5.2%.

Education

28.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 11% lower than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 18.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Kinloch, 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.