City of Mercer Island:

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

Taxing Districts:

School District: Mercer Island
Fire Protection: MIFD
Library: KCLS
Public Hospital: N/A
Water: MIU
Sewer: MIU
Parks: N/A
Cemetery: N/A

King County Council:

District 6: Claudia Balducci

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