Williamsburg, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Williamsburg, Iowa had a total population of 3,360, the 115th largest city in Iowa, with a median household income of $58,059, which is 23% lower than the state average. The poverty rate is 5.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 40.7% of adults hold a bachelor's degree or higher — top 10% in Iowa.
- Near full employment with an unemployment rate of just 2.0%.
Williamsburg Quick Facts
How Williamsburg 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 | 3,347 | 3,360 | +0.4% |
| Median household income | $65,607 | $58,059 | -11.5% |
| Median home value | $194,000 | $204,300 | +5.3% |
How Williamsburg 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+)
Williamsburg Rankings in Iowa
Explore Iowa Rankings
Other Cities in Iowa County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Marengo | 2,725 | $57,941 | 13.2% | $123,200 |
| North English | 852 | $54,531 | 10.3% | $118,600 |
| Amana | 755 | $145,903 | 8.1% | $248,400 |
| Middle Amana | 683 | $100,296 | 7.3% | $267,000 |
| Parnell | 303 | $70,893 | 13.2% | $181,300 |
| Homestead | 252 | $74,886 | 0.0% | $179,900 |
| Ladora | 240 | $60,625 | 9.6% | $78,200 |
| Conroy | 199 | N/A | 4.0% | $213,000 |
| Millersburg | 129 | $79,688 | 7.0% | $106,500 |
| West Amana | 124 | $55,977 | 0.0% | $184,100 |
Cities Similar to Williamsburg
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Milford | 3,311 | $63,369 | $218,400 | 21.8% | 8.9% |
| New Hampton | 3,453 | $62,870 | $167,700 | 22.3% | 17.3% |
| Emmetsburg | 3,648 | $55,833 | $114,300 | 14.0% | 15.2% |
| Tipton | 3,106 | $61,115 | $165,500 | 20.3% | 12.3% |
| Eagle Grove | 3,593 | $63,125 | $104,600 | 21.2% | 30.2% |
Population Overview
Williamsburg is a small community located in Iowa, within Iowa County. The total population is 3,360. It ranks as the 115th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Williamsburg is 33.8 years. This is 12% lower than the state median of 38.6 years. 10.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Williamsburg is $58,059. This is 23% lower than the state median of $75,059. It is also 28% lower than the national median of $80,734. The poverty rate stands at 5.8%. This is 48% lower than the state poverty rate of 11.1%. The unemployment rate is 2.0%. This is 45% lower than the state rate of 3.6%. The median home value is $204,300. Housing costs are 2% lower than the state median of $208,000. The home-value-to-income ratio is 3.5x. 64.5% of occupied housing units are owner-occupied. This homeownership rate is 10% lower than the state average of 71.7%.
Race & Ethnicity
Williamsburg has a predominantly White (non-Hispanic) population, comprising 92.0% of all residents. Hispanic or Latino residents account for 8.0%.
Education
40.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Williamsburg in the top 10% of all cities in the state for educational attainment. This is 29% 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 98.7%.
Data Sources & Methodology
All demographic data for Williamsburg, 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.
Free data download: Get all Iowa city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Williamsburg, Iowa?
Williamsburg, Iowa has a population of 3,360 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Williamsburg, IA?
The median household income in Williamsburg is $58,059, which is 28% lower than the national median of $80,734.
What is the poverty rate in Williamsburg, IA?
The poverty rate in Williamsburg is 5.8%. This means approximately 191 residents live below the federal poverty line.
What is the racial makeup of Williamsburg, Iowa?
Williamsburg's population is 92.0% White, 0.0% Black, 8.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Williamsburg, IA?
The median home value in Williamsburg is $204,300. The home-value-to-income ratio is 3.5x.
How educated is Williamsburg, Iowa?
40.7% of adults (25+) in Williamsburg hold a bachelor's degree or higher, and 6.4% hold a graduate or professional degree.