Lost Springs, Kansas Demographics & Population 2026

A note before these figures: with a population of 27, Lost Springs'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

Lost Springs is a small community located in Kansas, within Marion County. The total population is 27. It ranks as the 676th most populous out of 721 Census-designated places in Kansas.

Age Demographics

The median age in Lost Springs is 57.8 years. This is 55% higher than the state median of 37.4 years. Only 11.1% of residents are under 18, indicating fewer families with children. 18.5% 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 Lost Springs is $43,438. This is 42% lower than the state median of $74,275. It is also 46% lower than the national median of $80,734. The ACS records no residents below the poverty line in Lost Springs. 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 Lost Springs, which reflects the size of the sample rather than a labor market without joblessness. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 49% higher than the state average of 67.2%.

Race & Ethnicity

The largest racial or ethnic group in Lost Springs is White (non-Hispanic), making up 63.0% of the population.

Education

20.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% lower than the state rate of 35.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 83.3%. Notably, 20.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Lost Springs, Kansas 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 Kansas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 721 Census-designated places in Kansas. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.