Chain of Rocks, Missouri Demographics & Population 2026

A note before these figures: with a population of 255, Chain of Rocks'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

Chain of Rocks is a small community located in Missouri, within Lincoln County. The total population is 255. It ranks as the 673rd most populous out of 1,062 Census-designated places in Missouri.

Age Demographics

The median age in Chain of Rocks is 35.1 years. This is 10% lower than the state median of 39.0 years. With 38.8% of the population under 18, Chain of Rocks has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Chain of Rocks is $150,547. This is 113% higher than the state median of $70,702. It is also 86% higher than the national median of $80,734. The poverty rate stands at 3.1%. This is 75% lower than the state poverty rate of 12.6%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Chain of Rocks, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $342,000. Housing costs are 49% higher than the state median of $230,300. With a home-value-to-income ratio of just 2.3x, Chain of Rocks is one of the most affordable housing markets in the area. 98.4% of occupied housing units are owner-occupied. This homeownership rate is 45% higher than the state average of 68.1%.

Race & Ethnicity

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

Education

54.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Chain of Rocks in the top 10% of all cities in the state for educational attainment. This is 68% higher 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 89.5%.

Data Sources & Methodology

All demographic data for Chain of Rocks, 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.