Lyons, South Dakota Demographics & Population 2026

A note before these figures: with a population of 112, Lyons'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

Lyons is a small community located in South Dakota, within Minnehaha County. The total population is 112. It ranks as the 289th most populous out of 439 Census-designated places in South Dakota.

Age Demographics

The median age in Lyons is 31.9 years. This is 16% lower than the state median of 38.0 years. 12.5% 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 Lyons is $159,286. This is 112% higher than the state median of $75,081. It is also 97% higher than the national median of $80,734. The ACS records no residents below the poverty line in Lyons. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Lyons, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $656,300. Housing costs are 155% higher than the state median of $257,400. The home-value-to-income ratio is 4.1x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 46% higher than the state average of 68.6%.

Race & Ethnicity

Every resident counted in Lyons was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.

Education

79.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Lyons in the top 10% of all cities in the state for educational attainment. This is 148% higher than the state rate of 31.9%. 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, 40.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Lyons, South Dakota 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 South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.