Koshkonong, Missouri Demographics & Population 2026

A note before these figures: with a population of 198, Koshkonong'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

Koshkonong is a small community located in Missouri, within Oregon County. The total population is 198. It ranks as the 737th most populous out of 1,062 Census-designated places in Missouri.

Age Demographics

The median age in Koshkonong is 26.5 years. This is 32% lower than the state median of 39.0 years. With 41.4% of the population under 18, Koshkonong has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Koshkonong is $28,182. This is 60% lower than the state median of $70,702. It is also 65% lower than the national median of $80,734. The poverty rate stands at 35.0%. This is 178% higher than the state poverty rate of 12.6%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 15.7%. This is 291% higher than the state rate of 4.0%. The median home value is $62,900. Housing costs are 73% lower than the state median of $230,300. With a home-value-to-income ratio of just 2.2x, Koshkonong is one of the most affordable housing markets in the area. 63.9% of occupied housing units are owner-occupied. This homeownership rate is 6% lower than the state average of 68.1%.

Race & Ethnicity

The largest racial or ethnic group in Koshkonong is White (non-Hispanic), making up 67.2% of the population. Hispanic or Latino residents account for 4.0%.

Education

5.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 82% lower 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 89.3%.

Data Sources & Methodology

All demographic data for Koshkonong, 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.