Calmar, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Calmar, Iowa had a total population of 974, the 291st largest city in Iowa, with a median household income of $92,500, which is 23% higher than the state average. The poverty rate is 12.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.2x.
- Near full employment with an unemployment rate of just 0.5%.
Calmar Quick Facts
How Calmar 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 | 980 | 974 | -0.6% |
| Median household income | $81,583 | $92,500 | +13.4% |
| Median home value | $194,600 | $203,200 | +4.4% |
How Calmar 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+)
Calmar Rankings in Iowa
Explore Iowa Rankings
Other Cities in Winneshiek County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Decorah | 7,535 | $64,366 | 8.1% | $244,500 |
| Ossian | 806 | $71,875 | 9.0% | $157,600 |
| Spillville | 356 | $54,375 | 14.3% | $157,500 |
| Fort Atkinson | 346 | $73,750 | 4.6% | $132,100 |
| Ridgeway | 315 | $61,607 | 4.8% | $152,100 |
| Burr Oak | 225 | $56,250 | 44.0% | $142,500 |
| Castalia | 142 | $61,250 | 7.9% | $97,500 |
| Jackson Junction | 26 | N/A | 0.0% | N/A |
Cities Similar to Calmar
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hills | 974 | $83,333 | $240,200 | 24.2% | 8.4% |
| Sully | 1,022 | $90,189 | $173,700 | 22.4% | 3.7% |
| Arnolds Park | 922 | $86,833 | $438,900 | 39.1% | 6.0% |
| Sidney | 955 | $80,714 | $125,300 | 15.8% | 10.0% |
| De Soto | 1,041 | $97,109 | $227,700 | 28.8% | 7.3% |
A note before these figures: with a population of 974, Calmar'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
Calmar is a small community located in Iowa, within Winneshiek County. The total population is 974. It ranks as the 291st most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Calmar is 30.5 years. This is 21% lower than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Calmar is $92,500. This is 23% 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 12.5%. This is 13% higher than the state poverty rate of 11.1%. The unemployment rate is 0.5%. This is 85% lower than the state rate of 3.6%. The median home value is $203,200. Housing costs are 2% lower than the state median of $208,000. With a home-value-to-income ratio of just 2.2x, Calmar is one of the most affordable housing markets in the area. 73.1% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 71.7%.
Race & Ethnicity
Calmar has a predominantly White (non-Hispanic) population, comprising 91.4% of all residents. Hispanic or Latino residents account for 7.3%.
Education
25.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% lower 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 98.5%.
Data Sources & Methodology
All demographic data for Calmar, 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 Calmar, Iowa?
Calmar, Iowa has a population of 974 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Calmar, IA?
The median household income in Calmar is $92,500, which is 15% higher than the national median of $80,734.
What is the poverty rate in Calmar, IA?
The poverty rate in Calmar is 12.5%. This means approximately 122 residents live below the federal poverty line.
What is the racial makeup of Calmar, Iowa?
Calmar's population is 91.4% White, 0.0% Black, 7.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Calmar, IA?
The median home value in Calmar is $203,200. The home-value-to-income ratio is 2.2x.
How educated is Calmar, Iowa?
25.8% of adults (25+) in Calmar hold a bachelor's degree or higher, and 7.0% hold a graduate or professional degree.