Shannon City, Iowa Demographics & Population 2026

A note before these figures: with a population of 115, Shannon City'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

Shannon City is a small community located in Iowa, within Union County. The total population is 115. It ranks as the 834th most populous out of 1,017 Census-designated places in Iowa.

Age Demographics

The median age in Shannon City is 35.3 years. This is 9% lower than the state median of 38.6 years. With 40.0% of the population under 18, Shannon City has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Shannon City is $92,875. This is 24% higher than the state median of $75,059. It is also 15% higher than the national median of $80,734. The poverty rate stands at 1.7%. This is 84% lower than the state poverty rate of 11.1%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Shannon City, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $45,000. Housing costs are 78% lower than the state median of $208,000. With a home-value-to-income ratio of just 0.5x, Shannon City is one of the most affordable housing markets in the area. 80.0% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 71.7%.

Race & Ethnicity

The largest racial or ethnic group in Shannon City is White (non-Hispanic), making up 75.6% of the population. Hispanic or Latino residents account for 24.3%. The Hispanic or Latino population is significantly higher than the state average (24.3% vs 7.3%).

Education

20.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 35% lower than the state rate of 31.4%. 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, 17.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Shannon City, Iowa 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 Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,017 Census-designated places in Iowa. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.