City of Duvall:

Quick Facts – Population, Employment, Housing and Development Activity
List of maps – fire district and fire stations, fire and rescue boundary, neighborhoods, school districts, water district service area, utility service areas, environmentally critical areas

Unincorporated KC:

List of maps

Taxing Districts:

School District: Riverview
Fire Protection: KCFD 45, KCFD 10
Library: KCLS
Public Hospital: Evergreen
Water: KCWD 119, DPW
Sewer: DPW
Parks: N/A
Cemetery: N/A

King County Council:

District 3: Sarah Perry

Regional Agencies:

Puget Sound Regional Council:
Population and Housing Estimates, Employment
KC Sheriff:
KC Crime Statistics, Sex Offender Search
KC Metro Transit:
Transit Statistics, Schedules & Maps

State Agencies:

Population Estimates, Census 2010 Figures, Uniform Crime Report, School Enrollment Data

Federal Agencies:

US Census:
ZIP Code Statistics, KC Quick Facts
Labor and Income Statistics, Economic Indicators, Agricultural Statistics