Glenham, South Dakota Demographics & Population 2026

A note before these figures: with a population of 95, Glenham'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

Glenham is a small community located in South Dakota, within Walworth County. The total population is 95. It ranks as the 306th most populous out of 439 Census-designated places in South Dakota.

Age Demographics

The median age in Glenham is 64.2 years. This is 69% higher than the state median of 38.0 years. Only 5.3% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Glenham is $50,625. This is 33% lower than the state median of $75,081. It is also 37% lower than the national median of $80,734. The poverty rate stands at 2.1%. This is 82% lower than the state poverty rate of 11.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Glenham, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $59,300. Housing costs are 77% lower than the state median of $257,400. With a home-value-to-income ratio of just 1.2x, Glenham is one of the most affordable housing markets in the area. 84.1% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 68.6%.

Race & Ethnicity

Every resident counted in Glenham 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

16.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 48% lower than the state rate of 31.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.2%.

Data Sources & Methodology

All demographic data for Glenham, 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.