Delta, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Delta, Iowa had a total population of 363, the 556th largest city in Iowa, with a median household income of $52,083, which is 31% lower than the state average. The poverty rate is 12.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 31% below the state average, indicating significant economic challenges.
- Only 2.6% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 0.9x.
- Unemployment rate of 9.6% is notably above the national average.
Delta Quick Facts
How Delta 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 | 332 | 363 | +9.3% |
| Median household income | $54,750 | $52,083 | -4.9% |
| Median home value | $39,400 | $48,100 | +22.1% |
How Delta 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+)
Delta Rankings in Iowa
Explore Iowa Rankings
Other Cities in Keokuk County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Sigourney | 1,954 | $57,813 | 14.8% | $136,800 |
| Hedrick | 913 | $67,500 | 22.3% | $79,600 |
| What Cheer | 580 | $48,182 | 21.2% | $49,200 |
| Richland | 544 | $60,446 | 10.9% | $135,700 |
| South English | 260 | $51,016 | 13.9% | $97,000 |
| Keswick | 255 | $63,750 | 6.7% | $89,200 |
| Ollie | 238 | $71,875 | 18.1% | $89,400 |
| Kinross | 171 | $73,438 | 10.2% | $73,100 |
| Harper | 155 | $100,417 | 7.7% | $99,200 |
| Webster | 134 | $34,773 | 4.5% | $83,300 |
Cities Similar to Delta
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Farmersburg | 375 | $51,667 | $78,000 | 3.3% | 12.8% |
| Duncombe | 376 | $52,500 | $117,100 | 14.2% | 8.6% |
| Spillville | 356 | $54,375 | $157,500 | 19.0% | 14.3% |
| Salem | 349 | $51,250 | $85,700 | 9.6% | 18.1% |
| Williams | 369 | $55,417 | $85,900 | 19.4% | 9.5% |
A note before these figures: with a population of 363, Delta'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
Delta is a small community located in Iowa, within Keokuk County. The total population is 363. It ranks as the 556th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Delta is 37.2 years. This is 4% lower than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Delta is $52,083. This is 31% lower than the state median of $75,059. It is also 35% lower than the national median of $80,734. The poverty rate stands at 12.2%. This is 10% higher than the state poverty rate of 11.1%. The unemployment rate is 9.6%. This is 168% higher than the state rate of 3.6%. The median home value is $48,100. Housing costs are 77% lower than the state median of $208,000. With a home-value-to-income ratio of just 0.9x, Delta is one of the most affordable housing markets in the area. 77.1% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 71.7%.
Race & Ethnicity
Delta has a predominantly White (non-Hispanic) population, comprising 86.0% of all residents. Hispanic or Latino residents account for 6.6%.
Education
2.6% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 92% 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 89.6%.
Data Sources & Methodology
All demographic data for Delta, 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 Delta, Iowa?
Delta, Iowa has a population of 363 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Delta, IA?
The median household income in Delta is $52,083, which is 35% lower than the national median of $80,734.
What is the poverty rate in Delta, IA?
The poverty rate in Delta is 12.2%. This means approximately 44 residents live below the federal poverty line.
What is the racial makeup of Delta, Iowa?
Delta's population is 86.0% White, 2.2% Black, 6.6% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Delta, IA?
The median home value in Delta is $48,100. The home-value-to-income ratio is 0.9x.
How educated is Delta, Iowa?
2.6% of adults (25+) in Delta hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.