Lyon, Mississippi Demographics & Population 2026

A note before these figures: with a population of 386, Lyon'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

Lyon is a small community located in Mississippi, within Coahoma County. The total population is 386. It ranks as the 299th most populous out of 420 Census-designated places in Mississippi.

Age Demographics

The median age in Lyon is 46.5 years. This is 20% higher than the state median of 38.6 years. Only 12.2% of residents are under 18, indicating fewer families with children. 12.7% 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 Lyon is $83,438. This is 48% higher than the state median of $56,447. It is also 3% higher than the national median of $80,734. The poverty rate stands at 3.6%. This is 81% lower than the state poverty rate of 18.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Lyon, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $151,800. Housing costs are 11% lower than the state median of $169,800. With a home-value-to-income ratio of just 1.8x, Lyon is one of the most affordable housing markets in the area. 65.3% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 70.0%.

Race & Ethnicity

The largest racial or ethnic group in Lyon is White (non-Hispanic), making up 64.5% of the population. Black or African American residents account for 32.1%.

Education

39.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Lyon in the top 10% of all cities in the state for educational attainment. This is 56% higher than the state rate of 25.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.0%.

Data Sources & Methodology

All demographic data for Lyon, Mississippi 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 Mississippi state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 420 Census-designated places in Mississippi. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.