The 1st Congressional District is a political division in the United States House of Representatives. Each district elects one representative to serve a two-year term. The boundaries of the 1st Congressional District can vary by state, reflecting population changes and demographic shifts. In many states, the 1st Congressional District often includes urban areas and may encompass significant cities. For example, in California, the district includes parts of San Diego, while in Virginia, it covers areas like Richmond. These districts play a crucial role in shaping national legislation and representing the interests of their constituents.