Lamoni city, Iowa Demographics & Population 2026

Population Overview

Lamoni city is a small community located in Iowa, within Decatur County. The total population is 2,121. It ranks as the 159th most populous out of 1,018 cities and towns in Iowa.

Age Demographics

The median age in Lamoni city is 27.3 years. This is 29% lower than the state median of 38.6 years. Only 14.6% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Lamoni city is $52,300. This is 29% lower than the state median of $73,147. Compared to the national median of $78,538, household income here is 33% lower. The poverty rate stands at 13.2%. This is 20% higher than the state poverty rate of 11.0%. The unemployment rate is 6.6%. This is 82% higher than the state rate of 3.6%. The median home value is $107,900. Housing costs are 45% lower than the state median of $195,900. With a home-value-to-income ratio of just 2.1x, Lamoni city is one of the most affordable housing markets in the area. 53.0% of occupied housing units are owner-occupied. This homeownership rate is 26% lower than the state average of 71.5%.

Race & Ethnicity

The largest racial or ethnic group in Lamoni city is White (non-Hispanic), making up 80.0% of the population. Black or African American residents account for 5.8%. The Black or African American population is significantly higher than the state average (5.8% vs 3.8%).

Education

48.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Lamoni city in the top 10% of all cities in the state for educational attainment. This is 58% higher than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.8%. Notably, 29.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Lamoni city, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,018 Census-designated places in Iowa. For official data, visit data.census.gov.