Grafton, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Grafton, Iowa had a total population of 271, the 630th largest city in Iowa, with a median household income of $48,750, which is 35% lower than the state average. The poverty rate is 10.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 35% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 1.9x.
Grafton Quick Facts
How Grafton 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 | 233 | 271 | +16.3% |
| Median household income | $52,188 | $48,750 | -6.6% |
| Median home value | $94,600 | $93,300 | -1.4% |
How Grafton 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+)
Grafton Rankings in Iowa
Explore Iowa Rankings
Other Cities in Worth County
Cities Similar to Grafton
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Coin | 277 | $48,889 | $50,000 | 13.0% | 12.3% |
| Kensett | 270 | $44,643 | $67,100 | 9.6% | 8.2% |
| Lohrville | 277 | $46,250 | $52,100 | 16.0% | 14.1% |
| Meservey | 262 | $46,750 | $50,800 | 7.2% | 31.7% |
| Mallard | 263 | $45,909 | $57,500 | 7.4% | 19.0% |
A note before these figures: with a population of 271, Grafton'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
Grafton is a small community located in Iowa, within Worth County. The total population is 271. It ranks as the 630th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Grafton is 50.1 years. This is 30% higher than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Grafton is $48,750. This is 35% lower than the state median of $75,059. It is also 40% lower than the national median of $80,734. The poverty rate stands at 10.0%. This is 10% lower than the state poverty rate of 11.1%. The unemployment rate is 5.6%. This is 56% higher than the state rate of 3.6%. The median home value is $93,300. Housing costs are 55% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.9x, Grafton is one of the most affordable housing markets in the area. 68.0% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 71.7%.
Race & Ethnicity
Grafton has a predominantly White (non-Hispanic) population, comprising 95.2% of all residents. Hispanic or Latino residents account for 3.3%. The Black or African American population (1.5%) is well below the state average of 3.8%. The Hispanic or Latino population (3.3%) is well below the state average of 7.3%.
Education
14.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 55% 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 87.2%.
Data Sources & Methodology
All demographic data for Grafton, 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 Grafton, Iowa?
Grafton, Iowa has a population of 271 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Grafton, IA?
The median household income in Grafton is $48,750, which is 40% lower than the national median of $80,734.
What is the poverty rate in Grafton, IA?
The poverty rate in Grafton is 10.0%. This means approximately 27 residents live below the federal poverty line.
What is the racial makeup of Grafton, Iowa?
Grafton's population is 95.2% White, 1.5% Black, 3.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Grafton, IA?
The median home value in Grafton is $93,300. The home-value-to-income ratio is 1.9x.
How educated is Grafton, Iowa?
14.3% of adults (25+) in Grafton hold a bachelor's degree or higher, and 4.9% hold a graduate or professional degree.