Federal

• American FactFinder: The U.S. Census Bureau's main site for online access to population, housing, economic, and geographic data.
• Census 2000 Gateway: The U.S. Census Bureau's gateway to Census 2000 information.
• U.S. Census Bureau Homepage

State

• Washington Office of Financial Management: OFM is the official state agency that provides estimates, forecasts, and reports on the state’s population, demographic characteristics, economy, and state revenues.

Regional

• Puget Sound Regional Council: PSRC is the regional growth management and transportation planning agency for the central Puget Sound region in Washington state.

County

• King County Census Viewer: A web-based application for viewing maps and tables of more than 100 community census data indicators for 77 defined places in King County.
• King County Office of Regional Policy and Planning: ORPP is the growth management planning agency for King County.
• Seattle & King County Public Health - Epidemiology, Planning & Evaluation Unit: Provides health information and technical assistance, based on health assessment data and research findings (see also Data, Publications & Reports).

City

• The Greater Seattle Datasheet: A Seattle fact sheet courtesy of the City of Seattle's Office of Intergovernmental Relations.

Other

• Seattle Post-Intelligencer Census 2000: The P-I's website with articles, charts, etc., related to Census 2000 and the Seattle/Puget Sound region.
• Seattle Times Census 2000: A similar website on Census 2000 produced by the Seattle Times.