| Place Name | Lafayette |
| Place Type | City |
| ZIP Code(s) | 94549 |
| GEOID | 0639122 |
| County | Contra Costa County |
| Area Code(s) | 925 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2021) | 25,384 |
| Population Growth Rate (2010-19) | 6.27% |
| Majority Ethnicity | White 80.9% |
| Metro/Micro Stats Area | San Francisco-Oakland-Berkeley, CA |
| US Congressional District(s) | California 11th |
| State Assembly Districts | 16 |
| State Senate Districts | 7 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 80.9% |
| African American | 0.47% |
| Hispanic | 0.3% |
| Asian | 10.15% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.17% |