Lamoni, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Lamoni, Iowa had a total population of 2,207, the 156th largest city in Iowa, with a median household income of $54,554, which is 27% lower than the state average. The poverty rate is 16.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 41.9% of adults hold a bachelor's degree or higher — top 10% in Iowa.
- Housing is very affordable with a home-value-to-income ratio of just 2.1x.
Lamoni Quick Facts
How Lamoni Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 2,121 | 2,207 | +4.1% |
| Median household income | $52,300 | $54,554 | +4.3% |
| Median home value | $107,900 | $113,400 | +5.1% |
How Lamoni Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 31 | National average: 61
Education
Educational Attainment (Adults 25+)
Lamoni Rankings in Iowa
Explore Iowa Rankings
Other Cities in Decatur County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Leon | 1,899 | $54,231 | 10.7% | $99,800 |
| Van Wert | 188 | $74,375 | 5.3% | $66,800 |
| Garden Grove | 171 | $34,000 | 22.2% | $46,100 |
| Grand River | 166 | $40,156 | 19.3% | $40,000 |
| Davis City | 160 | $36,833 | 20.0% | $54,300 |
| Weldon | 88 | $51,875 | 5.7% | N/A |
| Pleasanton | 61 | N/A | 0.0% | $210,700 |
| Le Roy | 19 | $56,875 | 5.3% | N/A |
Cities Similar to Lamoni
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Sumner | 2,106 | $58,854 | $118,000 | 28.2% | 13.6% |
| Rockwell City | 2,401 | $56,741 | $88,500 | 13.2% | 10.4% |
| Alta | 2,250 | $65,833 | $146,600 | 21.2% | 10.2% |
| Lake Mills | 2,088 | $61,875 | $122,600 | 18.0% | 15.3% |
| Columbus Junction | 2,110 | $63,828 | $125,800 | 17.9% | 10.3% |
Population Overview
Lamoni is a small community located in Iowa, within Decatur County. The total population is 2,207. It ranks as the 156th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Lamoni is 25.5 years. This is 34% lower than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Lamoni is $54,554. This is 27% lower than the state median of $75,059. It is also 32% lower than the national median of $80,734. The poverty rate stands at 16.6%. This is 49% higher than the state poverty rate of 11.1%. The unemployment rate is 3.7%. This is 4% higher than the state rate of 3.6%. The median home value is $113,400. Housing costs are 45% lower than the state median of $208,000. With a home-value-to-income ratio of just 2.1x, Lamoni is one of the most affordable housing markets in the area. 57.3% of occupied housing units are owner-occupied. This homeownership rate is 20% lower than the state average of 71.7%.
Race & Ethnicity
The largest racial or ethnic group in Lamoni is White (non-Hispanic), making up 79.8% of the population. Black or African American residents account for 4.4%. The Hispanic or Latino population (3.5%) is well below the state average of 7.3%.
Education
41.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Lamoni in the top 10% of all cities in the state for educational attainment. This is 33% higher than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.5%. Notably, 28.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Lamoni, 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.
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Frequently Asked Questions
What is the population of Lamoni, Iowa?
Lamoni, Iowa has a population of 2,207 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lamoni, IA?
The median household income in Lamoni is $54,554, which is 32% lower than the national median of $80,734.
What is the poverty rate in Lamoni, IA?
The poverty rate in Lamoni is 16.6%. This means approximately 280 residents live below the federal poverty line.
What is the racial makeup of Lamoni, Iowa?
Lamoni's population is 79.8% White, 4.4% Black, 3.5% Hispanic/Latino, and 2.5% Asian.
What is the median home value in Lamoni, IA?
The median home value in Lamoni is $113,400. The home-value-to-income ratio is 2.1x.
How educated is Lamoni, Iowa?
41.9% of adults (25+) in Lamoni hold a bachelor's degree or higher, and 28.1% hold a graduate or professional degree.