| Place Name | Williamsburg |
| Place Type | City |
| ZIP Code(s) | 52361 |
| County | Iowa County |
| Area Code(s) | 319 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 3,060 |
| Population Growth Rate (2010-19) | 9.06% |
| Majority Ethnicity | White 95.16% |
| US Congressional District(s) | Iowa 1st |
| State House Districts | 76 |
| State Senate Districts | 38 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.16% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.23% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.6% |